AbstractEntityPersister.java
| Index Score | ||
|---|---|---|
 |
 |
org.hibernate.persister.entity |
 |
 |
Hibernate |
View: Reasons, Metrics, Source Code
These are the metrics that contribute to the Enerjy Score for this file, ranked by impact. So the metrics listed at the top influence the score to a greater extent that the metrics listed at the bottom.
| Metric | Description | |
|---|---|---|
| INTERFACE_COMPLEXITY | Interface complexity |  |
| RETURNS | Number of return points from functions | |
| PARAMS | Number of formal parameter declarations | |
| EXITS | Procedure exits | |
| CYCLOMATIC | Cyclomatic complexity | |
| FUNCTIONS | Number of function declarations | |
| LINE_COMMENT | Number of line comments | |
| BLOCKS | Number of blocks | |
| OPERATORS | Number of operators | |
| PROGRAM_LENGTH | Halstead program length | |
| SIZE | Size of the file in bytes | |
| ELOC | Effective lines of code | |
| LOC | Lines of code | |
| COMPARISONS | Number of comparison operators | |
| OPERANDS | Number of operands | |
| EXEC_COMMENTS | Comments in executable code | |
| LOOPS | Number of loops | |
| LOGICAL_LINES | Number of statements | |
| LINES | Number of lines in the source file | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| WHITESPACE | Number of whitespace lines | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0173 | JAVA0173 Unused method parameter | |
| COMMENTS | Comment lines | |
| JAVA0259 | JAVA0259 Return of collection/array field | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0049 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| JAVA0270 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0254 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0138 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| JAVA0179 | JAVA0179 Local variable hides visible field | |
| DOC_COMMENT | Number of javadoc comment lines | |
| JAVA0067 | JAVA0067 Array descriptor on identifier name | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0082 | JAVA0082 Unnecessary widening cast | |
| NEST_DEPTH | Maximum nesting depth | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0288 | JAVA0288 Inconsistent null check | |
| JAVA0100 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0075 | JAVA0075 Method parameter hides field | |
/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2008, Red Hat Middleware LLC or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Middleware LLC.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
* or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*
*/
package org.hibernate.persister.entity;
import java.io.Serializable;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Iterator;
import java.util.Map;
import java.util.Set;
import java.util.Comparator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.hibernate.AssertionFailure;
import org.hibernate.EntityMode;
import org.hibernate.FetchMode;
import org.hibernate.HibernateException;
import org.hibernate.LockMode;
import org.hibernate.MappingException;
import org.hibernate.QueryException;
import org.hibernate.StaleObjectStateException;
import org.hibernate.StaleStateException;
import org.hibernate.jdbc.Expectation;
import org.hibernate.jdbc.Expectations;
import org.hibernate.jdbc.TooManyRowsAffectedException;
import org.hibernate.dialect.lock.LockingStrategy;
import org.hibernate.cache.CacheKey;
import org.hibernate.cache.access.EntityRegionAccessStrategy;
import org.hibernate.cache.entry.CacheEntry;
import org.hibernate.cache.entry.CacheEntryStructure;
import org.hibernate.cache.entry.StructuredCacheEntry;
import org.hibernate.cache.entry.UnstructuredCacheEntry;
import org.hibernate.engine.CascadeStyle;
import org.hibernate.engine.CascadingAction;
import org.hibernate.engine.EntityEntry;
import org.hibernate.engine.Mapping;
import org.hibernate.engine.SessionFactoryImplementor;
import org.hibernate.engine.SessionImplementor;
import org.hibernate.engine.Versioning;
import org.hibernate.engine.ExecuteUpdateResultCheckStyle;
import org.hibernate.engine.EntityKey;
import org.hibernate.engine.ValueInclusion;
import org.hibernate.engine.LoadQueryInfluencers;
import org.hibernate.exception.JDBCExceptionHelper;
import org.hibernate.id.IdentifierGenerator;
import org.hibernate.id.PostInsertIdentifierGenerator;
import org.hibernate.id.PostInsertIdentityPersister;
import org.hibernate.id.insert.InsertGeneratedIdentifierDelegate;
import org.hibernate.id.insert.Binder;
import org.hibernate.intercept.LazyPropertyInitializer;
import org.hibernate.intercept.FieldInterceptionHelper;
import org.hibernate.intercept.FieldInterceptor;
import org.hibernate.loader.entity.BatchingEntityLoader;
import org.hibernate.loader.entity.CascadeEntityLoader;
import org.hibernate.loader.entity.EntityLoader;
import org.hibernate.loader.entity.UniqueEntityLoader;
import org.hibernate.mapping.Column;
import org.hibernate.mapping.Component;
import org.hibernate.mapping.PersistentClass;
import org.hibernate.mapping.Property;
import org.hibernate.mapping.Selectable;
import org.hibernate.metadata.ClassMetadata;
import org.hibernate.pretty.MessageHelper;
import org.hibernate.property.BackrefPropertyAccessor;
import org.hibernate.sql.Alias;
import org.hibernate.sql.Delete;
import org.hibernate.sql.Insert;
import org.hibernate.sql.JoinFragment;
import org.hibernate.sql.Select;
import org.hibernate.sql.SelectFragment;
import org.hibernate.sql.SimpleSelect;
import org.hibernate.sql.Template;
import org.hibernate.sql.Update;
import org.hibernate.tuple.entity.EntityMetamodel;
import org.hibernate.tuple.entity.EntityTuplizer;
import org.hibernate.tuple.Tuplizer;
import org.hibernate.type.AbstractComponentType;
import org.hibernate.type.AssociationType;
import org.hibernate.type.EntityType;
import org.hibernate.type.Type;
import org.hibernate.type.TypeFactory;
import org.hibernate.type.VersionType;
import org.hibernate.util.ArrayHelper;
import org.hibernate.util.FilterHelper;
import org.hibernate.util.StringHelper;
/**
* Basic functionality for persisting an entity via JDBC
* through either generated or custom SQL
*
* @author Gavin King
*/
public abstract class AbstractEntityPersister
implements OuterJoinLoadable, Queryable, ClassMetadata, UniqueKeyLoadable,
SQLLoadable, LazyPropertyInitializer, PostInsertIdentityPersister, Lockable {
private static final Logger log = LoggerFactory.getLogger( AbstractEntityPersister.class );
public static final String ENTITY_CLASS = "class";
// moved up from AbstractEntityPersister ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
private final SessionFactoryImplementor factory;
private final EntityRegionAccessStrategy cacheAccessStrategy;
private final boolean isLazyPropertiesCacheable;
private final CacheEntryStructure cacheEntryStructure;
private final EntityMetamodel entityMetamodel;
private final Map entityNameBySubclass = new HashMap();
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
private final String[] rootTableKeyColumnNames;
private final String[] identifierAliases;
private final int identifierColumnSpan;
private final String versionColumnName;
private final boolean hasFormulaProperties;
private final int batchSize;
private final boolean hasSubselectLoadableCollections;
protected final String rowIdName;
private final Set lazyProperties;
// The optional SQL string defined in the where attribute
private final String sqlWhereString;
private final String sqlWhereStringTemplate;
//information about properties of this class,
//including inherited properties
//(only really needed for updatable/insertable properties)
private final int[] propertyColumnSpans;
private final String[] propertySubclassNames;
private final String[][] propertyColumnAliases;
private final String[][] propertyColumnNames;
private final String[][] propertyColumnFormulaTemplates;
private final boolean[][] propertyColumnUpdateable;
private final boolean[][] propertyColumnInsertable;
private final boolean[] propertyUniqueness;
private final boolean[] propertySelectable;
//information about lazy properties of this class
private final String[] lazyPropertyNames;
private final int[] lazyPropertyNumbers;
private final Type[] lazyPropertyTypes;
private final String[][] lazyPropertyColumnAliases;
//information about all properties in class hierarchy
private final String[] subclassPropertyNameClosure;
private final String[] subclassPropertySubclassNameClosure;
private final Type[] subclassPropertyTypeClosure;
private final String[][] subclassPropertyFormulaTemplateClosure;
private final String[][] subclassPropertyColumnNameClosure;
private final FetchMode[] subclassPropertyFetchModeClosure;
private final boolean[] subclassPropertyNullabilityClosure;
private final boolean[] propertyDefinedOnSubclass;
private final int[][] subclassPropertyColumnNumberClosure;
private final int[][] subclassPropertyFormulaNumberClosure;
private final CascadeStyle[] subclassPropertyCascadeStyleClosure;
//information about all columns/formulas in class hierarchy
private final String[] subclassColumnClosure;
private final boolean[] subclassColumnLazyClosure;
private final String[] subclassColumnAliasClosure;
private final boolean[] subclassColumnSelectableClosure;
private final String[] subclassFormulaClosure;
private final String[] subclassFormulaTemplateClosure;
private final String[] subclassFormulaAliasClosure;
private final boolean[] subclassFormulaLazyClosure;
// dynamic filters attached to the class-level
private final FilterHelper filterHelper;
private final Set affectingFetchProfileNames = new HashSet();
private final Map uniqueKeyLoaders = new HashMap();
private final Map lockers = new HashMap();
private final Map loaders = new HashMap();
// SQL strings
private String sqlVersionSelectString;
private String sqlSnapshotSelectString;
private String sqlLazySelectString;
private String sqlIdentityInsertString;
private String sqlUpdateByRowIdString;
private String sqlLazyUpdateByRowIdString;
private String[] sqlDeleteStrings;
private String[] sqlInsertStrings;
private String[] sqlUpdateStrings;
private String[] sqlLazyUpdateStrings;
private String sqlInsertGeneratedValuesSelectString;
private String sqlUpdateGeneratedValuesSelectString;
//Custom SQL (would be better if these were private)
protected boolean[] insertCallable;
protected boolean[] updateCallable;
protected boolean[] deleteCallable;
protected String[] customSQLInsert;
protected String[] customSQLUpdate;
protected String[] customSQLDelete;
protected ExecuteUpdateResultCheckStyle[] insertResultCheckStyles;
protected ExecuteUpdateResultCheckStyle[] updateResultCheckStyles;
protected ExecuteUpdateResultCheckStyle[] deleteResultCheckStyles;
private InsertGeneratedIdentifierDelegate identityDelegate;
private boolean[] tableHasColumns;
private final String loaderName;
private UniqueEntityLoader queryLoader;
private final String temporaryIdTableName;
private final String temporaryIdTableDDL;
private final Map subclassPropertyAliases = new HashMap();
private final Map subclassPropertyColumnNames = new HashMap();
protected final BasicEntityPropertyMapping propertyMapping;
protected void addDiscriminatorToInsert(Insert insert) {}
protected void addDiscriminatorToSelect(SelectFragment select, String name, String suffix) {}
protected abstract int[] getSubclassColumnTableNumberClosure();
protected abstract int[] getSubclassFormulaTableNumberClosure();
public abstract String getSubclassTableName(int j);
protected abstract String[] getSubclassTableKeyColumns(int j);
protected abstract boolean isClassOrSuperclassTable(int j);
protected abstract int getSubclassTableSpan();
protected abstract int getTableSpan();
protected abstract boolean isTableCascadeDeleteEnabled(int j);
protected abstract String getTableName(int j);
protected abstract String[] getKeyColumns(int j);
protected abstract boolean isPropertyOfTable(int property, int j);
protected abstract int[] getPropertyTableNumbersInSelect();
protected abstract int[] getPropertyTableNumbers();
protected abstract int getSubclassPropertyTableNumber(int i);
protected abstract String filterFragment(String alias) throws MappingException;
private static final String DISCRIMINATOR_ALIAS = "clazz_";
public String getDiscriminatorColumnName() {
return DISCRIMINATOR_ALIAS;
}
protected String getDiscriminatorAlias() {
return DISCRIMINATOR_ALIAS;
}
protected String getDiscriminatorFormulaTemplate() {
return null;
}
protected boolean isInverseTable(int j) {
return false;
}
protected boolean isNullableTable(int j) {
return false;
}
protected boolean isNullableSubclassTable(int j) {
return false;
}
protected boolean isInverseSubclassTable(int j) {
return false;
}
public boolean isSubclassEntityName(String entityName) {
return entityMetamodel.getSubclassEntityNames().contains(entityName);
}
private boolean[] getTableHasColumns() {
return tableHasColumns;
}
public String[] getRootTableKeyColumnNames() {
return rootTableKeyColumnNames;
}
protected String[] getSQLUpdateByRowIdStrings() {
if ( sqlUpdateByRowIdString == null ) {
throw new AssertionFailure( "no update by row id" );
}
String[] result = new String[getTableSpan() + 1];
result[0] = sqlUpdateByRowIdString;
System.arraycopy( sqlUpdateStrings, 0, result, 1, getTableSpan() );
return result;
}
protected String[] getSQLLazyUpdateByRowIdStrings() {
if ( sqlLazyUpdateByRowIdString == null ) {
throw new AssertionFailure( "no update by row id" );
}
String[] result = new String[getTableSpan()];
result[0] = sqlLazyUpdateByRowIdString;
for ( int i = 1; i < getTableSpan(); i++ ) {
result[i] = sqlLazyUpdateStrings[i];
}
return result;
}
protected String getSQLSnapshotSelectString() {
return sqlSnapshotSelectString;
}
protected String getSQLLazySelectString() {
return sqlLazySelectString;
}
protected String[] getSQLDeleteStrings() {
return sqlDeleteStrings;
}
protected String[] getSQLInsertStrings() {
return sqlInsertStrings;
}
protected String[] getSQLUpdateStrings() {
return sqlUpdateStrings;
}
protected String[] getSQLLazyUpdateStrings() {
return sqlLazyUpdateStrings;
}
/**
* The query that inserts a row, letting the database generate an id
*
* @return The IDENTITY-based insertion query.
*/
protected String getSQLIdentityInsertString() {
return sqlIdentityInsertString;
}
protected String getVersionSelectString() {
return sqlVersionSelectString;
}
protected boolean isInsertCallable(int j) {
return insertCallable[j];
}
protected boolean isUpdateCallable(int j) {
return updateCallable[j];
}
protected boolean isDeleteCallable(int j) {
return deleteCallable[j];
}
protected boolean isSubclassPropertyDeferred(String propertyName, String entityName) {
return false;
}
protected boolean isSubclassTableSequentialSelect(int j) {
return false;
}
public boolean hasSequentialSelect() {
return false;
}
/**
* Decide which tables need to be updated.
* <p/>
* The return here is an array of boolean values with each index corresponding
* to a given table in the scope of this persister.
*
* @param dirtyProperties The indices of all the entity properties considered dirty.
* @param hasDirtyCollection Whether any collections owned by the entity which were considered dirty.
*
* @return Array of booleans indicating which table require updating.
*/
protected boolean[] getTableUpdateNeeded(final int[] dirtyProperties, boolean hasDirtyCollection) {
if ( dirtyProperties == null ) {
return getTableHasColumns(); // for objects that came in via update()
}
else {
boolean[] updateability = getPropertyUpdateability();
int[] propertyTableNumbers = getPropertyTableNumbers();
boolean[] tableUpdateNeeded = new boolean[ getTableSpan() ];
for ( int i = 0; i < dirtyProperties.length; i++ ) {
int property = dirtyProperties[i];
int table = propertyTableNumbers[property];
tableUpdateNeeded[table] = tableUpdateNeeded[table] ||
( getPropertyColumnSpan(property) > 0 && updateability[property] );
}
if ( isVersioned() ) {
tableUpdateNeeded[0] = tableUpdateNeeded[0] ||
Versioning.isVersionIncrementRequired( dirtyProperties, hasDirtyCollection, getPropertyVersionability() );
}
return tableUpdateNeeded;
}
}
public boolean hasRowId() {
return rowIdName != null;
}
public AbstractEntityPersister(
final PersistentClass persistentClass,
final EntityRegionAccessStrategy cacheAccessStrategy,
final SessionFactoryImplementor factory) throws HibernateException {
// moved up from AbstractEntityPersister ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
this.factory = factory;
this.cacheAccessStrategy = cacheAccessStrategy;
isLazyPropertiesCacheable = persistentClass.isLazyPropertiesCacheable();
this.cacheEntryStructure = factory.getSettings().isStructuredCacheEntriesEnabled() ?
(CacheEntryStructure) new StructuredCacheEntry(this) :
(CacheEntryStructure) new UnstructuredCacheEntry();
this.entityMetamodel = new EntityMetamodel( persistentClass, factory );
if ( persistentClass.hasPojoRepresentation() ) {
//TODO: this is currently specific to pojos, but need to be available for all entity-modes
Iterator iter = persistentClass.getSubclassIterator();
while ( iter.hasNext() ) {
PersistentClass pc = ( PersistentClass ) iter.next();
entityNameBySubclass.put( pc.getMappedClass(), pc.getEntityName() );
}
}
// ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
int batch = persistentClass.getBatchSize();
if ( batch == -1 ) {
batch = factory.getSettings().getDefaultBatchFetchSize();
}
batchSize = batch;
hasSubselectLoadableCollections = persistentClass.hasSubselectLoadableCollections();
propertyMapping = new BasicEntityPropertyMapping( this );
// IDENTIFIER
identifierColumnSpan = persistentClass.getIdentifier().getColumnSpan();
rootTableKeyColumnNames = new String[identifierColumnSpan];
identifierAliases = new String[identifierColumnSpan];
rowIdName = persistentClass.getRootTable().getRowId();
loaderName = persistentClass.getLoaderName();
Iterator iter = persistentClass.getIdentifier().getColumnIterator();
int i = 0;
while ( iter.hasNext() ) {
Column col = ( Column ) iter.next();
rootTableKeyColumnNames[i] = col.getQuotedName( factory.getDialect() );
identifierAliases[i] = col.getAlias( factory.getDialect(), persistentClass.getRootTable() );
i++;
}
// VERSION
if ( persistentClass.isVersioned() ) {
versionColumnName = ( ( Column ) persistentClass.getVersion().getColumnIterator().next() ).getQuotedName( factory.getDialect() );
}
else {
versionColumnName = null;
}
//WHERE STRING
sqlWhereString = StringHelper.isNotEmpty( persistentClass.getWhere() ) ? "( " + persistentClass.getWhere() + ") " : null;
sqlWhereStringTemplate = sqlWhereString == null ?
null :
Template.renderWhereStringTemplate( sqlWhereString, factory.getDialect(), factory.getSqlFunctionRegistry() );
// PROPERTIES
final boolean lazyAvailable = isInstrumented(EntityMode.POJO);
int hydrateSpan = entityMetamodel.getPropertySpan();
propertyColumnSpans = new int[hydrateSpan];
propertySubclassNames = new String[hydrateSpan];
propertyColumnAliases = new String[hydrateSpan][];
propertyColumnNames = new String[hydrateSpan][];
propertyColumnFormulaTemplates = new String[hydrateSpan][];
propertyUniqueness = new boolean[hydrateSpan];
propertySelectable = new boolean[hydrateSpan];
propertyColumnUpdateable = new boolean[hydrateSpan][];
propertyColumnInsertable = new boolean[hydrateSpan][];
HashSet thisClassProperties = new HashSet();
lazyProperties = new HashSet();
ArrayList lazyNames = new ArrayList();
ArrayList lazyNumbers = new ArrayList();
ArrayList lazyTypes = new ArrayList();
ArrayList lazyColAliases = new ArrayList();
iter = persistentClass.getPropertyClosureIterator();
i = 0;
boolean foundFormula = false;
while ( iter.hasNext() ) {
Property prop = ( Property ) iter.next();
thisClassProperties.add( prop );
int span = prop.getColumnSpan();
propertyColumnSpans[i] = span;
propertySubclassNames[i] = prop.getPersistentClass().getEntityName();
String[] colNames = new String[span];
String[] colAliases = new String[span];
String[] templates = new String[span];
Iterator colIter = prop.getColumnIterator();
int k = 0;
while ( colIter.hasNext() ) {
Selectable thing = ( Selectable ) colIter.next();
colAliases[k] = thing.getAlias( factory.getDialect() , prop.getValue().getTable() );
if ( thing.isFormula() ) {
foundFormula = true;
templates[k] = thing.getTemplate( factory.getDialect(), factory.getSqlFunctionRegistry() );
}
else {
colNames[k] = thing.getTemplate( factory.getDialect(), factory.getSqlFunctionRegistry() );
}
k++;
}
propertyColumnNames[i] = colNames;
propertyColumnFormulaTemplates[i] = templates;
propertyColumnAliases[i] = colAliases;
if ( lazyAvailable && prop.isLazy() ) {
lazyProperties.add( prop.getName() );
lazyNames.add( prop.getName() );
lazyNumbers.add( new Integer( i ) );
lazyTypes.add( prop.getValue().getType() );
lazyColAliases.add( colAliases );
}
propertyColumnUpdateable[i] = prop.getValue().getColumnUpdateability();
propertyColumnInsertable[i] = prop.getValue().getColumnInsertability();
propertySelectable[i] = prop.isSelectable();
propertyUniqueness[i] = prop.getValue().isAlternateUniqueKey();
i++;
}
hasFormulaProperties = foundFormula;
lazyPropertyColumnAliases = ArrayHelper.to2DStringArray( lazyColAliases );
lazyPropertyNames = ArrayHelper.toStringArray( lazyNames );
lazyPropertyNumbers = ArrayHelper.toIntArray( lazyNumbers );
lazyPropertyTypes = ArrayHelper.toTypeArray( lazyTypes );
// SUBCLASS PROPERTY CLOSURE
ArrayList columns = new ArrayList();
ArrayList columnsLazy = new ArrayList();
ArrayList aliases = new ArrayList();
ArrayList formulas = new ArrayList();
ArrayList formulaAliases = new ArrayList();
ArrayList formulaTemplates = new ArrayList();
ArrayList formulasLazy = new ArrayList();
ArrayList types = new ArrayList();
ArrayList names = new ArrayList();
ArrayList classes = new ArrayList();
ArrayList templates = new ArrayList();
ArrayList propColumns = new ArrayList();
ArrayList joinedFetchesList = new ArrayList();
ArrayList cascades = new ArrayList();
ArrayList definedBySubclass = new ArrayList();
ArrayList propColumnNumbers = new ArrayList();
ArrayList propFormulaNumbers = new ArrayList();
ArrayList columnSelectables = new ArrayList();
ArrayList propNullables = new ArrayList();
iter = persistentClass.getSubclassPropertyClosureIterator();
while ( iter.hasNext() ) {
Property prop = ( Property ) iter.next();
names.add( prop.getName() );
classes.add( prop.getPersistentClass().getEntityName() );
boolean isDefinedBySubclass = !thisClassProperties.contains( prop );
definedBySubclass.add( Boolean.valueOf( isDefinedBySubclass ) );
propNullables.add( Boolean.valueOf( prop.isOptional() || isDefinedBySubclass ) ); //TODO: is this completely correct?
types.add( prop.getType() );
Iterator colIter = prop.getColumnIterator();
String[] cols = new String[prop.getColumnSpan()];
String[] forms = new String[prop.getColumnSpan()];
int[] colnos = new int[prop.getColumnSpan()];
int[] formnos = new int[prop.getColumnSpan()];
int l = 0;
Boolean lazy = Boolean.valueOf( prop.isLazy() && lazyAvailable );
while ( colIter.hasNext() ) {
Selectable thing = ( Selectable ) colIter.next();
if ( thing.isFormula() ) {
String template = thing.getTemplate( factory.getDialect(), factory.getSqlFunctionRegistry() );
formnos[l] = formulaTemplates.size();
colnos[l] = -1;
formulaTemplates.add( template );
forms[l] = template;
formulas.add( thing.getText( factory.getDialect() ) );
formulaAliases.add( thing.getAlias( factory.getDialect() ) );
formulasLazy.add( lazy );
}
else {
String colName = thing.getTemplate( factory.getDialect(), factory.getSqlFunctionRegistry() );
colnos[l] = columns.size(); //before add :-)
formnos[l] = -1;
columns.add( colName );
cols[l] = colName;
aliases.add( thing.getAlias( factory.getDialect(), prop.getValue().getTable() ) );
columnsLazy.add( lazy );
columnSelectables.add( Boolean.valueOf( prop.isSelectable() ) );
}
l++;
}
propColumns.add( cols );
templates.add( forms );
propColumnNumbers.add( colnos );
propFormulaNumbers.add( formnos );
joinedFetchesList.add( prop.getValue().getFetchMode() );
cascades.add( prop.getCascadeStyle() );
}
subclassColumnClosure = ArrayHelper.toStringArray( columns );
subclassColumnAliasClosure = ArrayHelper.toStringArray( aliases );
subclassColumnLazyClosure = ArrayHelper.toBooleanArray( columnsLazy );
subclassColumnSelectableClosure = ArrayHelper.toBooleanArray( columnSelectables );
subclassFormulaClosure = ArrayHelper.toStringArray( formulas );
subclassFormulaTemplateClosure = ArrayHelper.toStringArray( formulaTemplates );
subclassFormulaAliasClosure = ArrayHelper.toStringArray( formulaAliases );
subclassFormulaLazyClosure = ArrayHelper.toBooleanArray( formulasLazy );
subclassPropertyNameClosure = ArrayHelper.toStringArray( names );
subclassPropertySubclassNameClosure = ArrayHelper.toStringArray( classes );
subclassPropertyTypeClosure = ArrayHelper.toTypeArray( types );
subclassPropertyNullabilityClosure = ArrayHelper.toBooleanArray( propNullables );
subclassPropertyFormulaTemplateClosure = ArrayHelper.to2DStringArray( templates );
subclassPropertyColumnNameClosure = ArrayHelper.to2DStringArray( propColumns );
subclassPropertyColumnNumberClosure = ArrayHelper.to2DIntArray( propColumnNumbers );
subclassPropertyFormulaNumberClosure = ArrayHelper.to2DIntArray( propFormulaNumbers );
subclassPropertyCascadeStyleClosure = new CascadeStyle[cascades.size()];
iter = cascades.iterator();
int j = 0;
while ( iter.hasNext() ) {
subclassPropertyCascadeStyleClosure[j++] = ( CascadeStyle ) iter.next();
}
subclassPropertyFetchModeClosure = new FetchMode[joinedFetchesList.size()];
iter = joinedFetchesList.iterator();
j = 0;
while ( iter.hasNext() ) {
subclassPropertyFetchModeClosure[j++] = ( FetchMode ) iter.next();
}
propertyDefinedOnSubclass = new boolean[definedBySubclass.size()];
iter = definedBySubclass.iterator();
j = 0;
while ( iter.hasNext() ) {
propertyDefinedOnSubclass[j++] = ( ( Boolean ) iter.next() ).booleanValue();
}
// Handle any filters applied to the class level
filterHelper = new FilterHelper( persistentClass.getFilterMap(), factory.getDialect(), factory.getSqlFunctionRegistry() );
temporaryIdTableName = persistentClass.getTemporaryIdTableName();
temporaryIdTableDDL = persistentClass.getTemporaryIdTableDDL();
}
protected String generateLazySelectString() {
if ( !entityMetamodel.hasLazyProperties() ) {
return null;
}
HashSet tableNumbers = new HashSet();
ArrayList columnNumbers = new ArrayList();
ArrayList formulaNumbers = new ArrayList();
for ( int i = 0; i < lazyPropertyNames.length; i++ ) {
// all this only really needs to consider properties
// of this class, not its subclasses, but since we
// are reusing code used for sequential selects, we
// use the subclass closure
int propertyNumber = getSubclassPropertyIndex( lazyPropertyNames[i] );
int tableNumber = getSubclassPropertyTableNumber( propertyNumber );
tableNumbers.add( new Integer( tableNumber ) );
int[] colNumbers = subclassPropertyColumnNumberClosure[propertyNumber];
for ( int j = 0; j < colNumbers.length; j++ ) {
if ( colNumbers[j]!=-1 ) {
columnNumbers.add( new Integer( colNumbers[j] ) );
}
}
int[] formNumbers = subclassPropertyFormulaNumberClosure[propertyNumber];
for ( int j = 0; j < formNumbers.length; j++ ) {
if ( formNumbers[j]!=-1 ) {
formulaNumbers.add( new Integer( formNumbers[j] ) );
}
}
}
if ( columnNumbers.size()==0 && formulaNumbers.size()==0 ) {
// only one-to-one is lazy fetched
return null;
}
return renderSelect( ArrayHelper.toIntArray( tableNumbers ),
ArrayHelper.toIntArray( columnNumbers ),
ArrayHelper.toIntArray( formulaNumbers ) );
}
public Object initializeLazyProperty(String fieldName, Object entity, SessionImplementor session)
throws HibernateException {
final Serializable id = session.getContextEntityIdentifier( entity );
final EntityEntry entry = session.getPersistenceContext().getEntry( entity );
if ( entry == null ) {
throw new HibernateException( "entity is not associated with the session: " + id );
}
if ( log.isTraceEnabled() ) {
log.trace(
"initializing lazy properties of: " +
MessageHelper.infoString( this, id, getFactory() ) +
", field access: " + fieldName
);
}
if ( hasCache() ) {
CacheKey cacheKey = new CacheKey(id, getIdentifierType(), getEntityName(), session.getEntityMode(), getFactory() );
Object ce = getCacheAccessStrategy().get( cacheKey, session.getTimestamp() );
if (ce!=null) {
CacheEntry cacheEntry = (CacheEntry) getCacheEntryStructure().destructure(ce, factory);
if ( !cacheEntry.areLazyPropertiesUnfetched() ) {
//note early exit here:
return initializeLazyPropertiesFromCache( fieldName, entity, session, entry, cacheEntry );
}
}
}
return initializeLazyPropertiesFromDatastore( fieldName, entity, session, id, entry );
}
private Object initializeLazyPropertiesFromDatastore(
final String fieldName,
final Object entity,
final SessionImplementor session,
final Serializable id,
final EntityEntry entry) {
if ( !hasLazyProperties() ) {
throw new AssertionFailure("no lazy properties");
}
log.trace("initializing lazy properties from datastore");
try {
Object result = null;
PreparedStatement ps = null;
try {
final String lazySelect = getSQLLazySelectString();
ResultSet rs = null;
try {
if ( lazySelect != null ) {
// null sql means that the only lazy properties
// are shared PK one-to-one associations which are
// handled differently in the Type#nullSafeGet code...
ps = session.getBatcher().prepareSelectStatement(lazySelect);
getIdentifierType().nullSafeSet( ps, id, 1, session );
rs = ps.executeQuery();
rs.next();
}
final Object[] snapshot = entry.getLoadedState();
for ( int j = 0; j < lazyPropertyNames.length; j++ ) {
Object propValue = lazyPropertyTypes[j].nullSafeGet( rs, lazyPropertyColumnAliases[j], session, entity );
if ( initializeLazyProperty( fieldName, entity, session, snapshot, j, propValue ) ) {
result = propValue;
}
}
}
finally {
if ( rs != null ) {
rs.close();
}
}
}
finally {
if ( ps != null ) {
session.getBatcher().closeStatement( ps );
}
}
log.trace( "done initializing lazy properties" );
return result;
}
catch ( SQLException sqle ) {
throw JDBCExceptionHelper.convert(
getFactory().getSQLExceptionConverter(),
sqle,
"could not initialize lazy properties: " +
MessageHelper.infoString( this, id, getFactory() ),
getSQLLazySelectString()
);
}
}
private Object initializeLazyPropertiesFromCache(
final String fieldName,
final Object entity,
final SessionImplementor session,
final EntityEntry entry,
final CacheEntry cacheEntry
) {
log.trace("initializing lazy properties from second-level cache");
Object result = null;
Serializable[] disassembledValues = cacheEntry.getDisassembledState();
final Object[] snapshot = entry.getLoadedState();
for ( int j = 0; j < lazyPropertyNames.length; j++ ) {
final Object propValue = lazyPropertyTypes[j].assemble(
disassembledValues[ lazyPropertyNumbers[j] ],
session,
entity
);
if ( initializeLazyProperty( fieldName, entity, session, snapshot, j, propValue ) ) {
result = propValue;
}
}
log.trace( "done initializing lazy properties" );
return result;
}
private boolean initializeLazyProperty(
final String fieldName,
final Object entity,
final SessionImplementor session,
final Object[] snapshot,
final int j,
final Object propValue) {
setPropertyValue( entity, lazyPropertyNumbers[j], propValue, session.getEntityMode() );
if (snapshot != null) {
// object have been loaded with setReadOnly(true); HHH-2236
snapshot[ lazyPropertyNumbers[j] ] = lazyPropertyTypes[j].deepCopy( propValue, session.getEntityMode(), factory );
}
return fieldName.equals( lazyPropertyNames[j] );
}
public boolean isBatchable() {
return optimisticLockMode()==Versioning.OPTIMISTIC_LOCK_NONE ||
( !isVersioned() && optimisticLockMode()==Versioning.OPTIMISTIC_LOCK_VERSION ) ||
getFactory().getSettings().isJdbcBatchVersionedData();
}
public Serializable[] getQuerySpaces() {
return getPropertySpaces();
}
protected Set getLazyProperties() {
return lazyProperties;
}
public boolean isBatchLoadable() {
return batchSize > 1;
}
public String[] getIdentifierColumnNames() {
return rootTableKeyColumnNames;
}
protected int getIdentifierColumnSpan() {
return identifierColumnSpan;
}
protected String[] getIdentifierAliases() {
return identifierAliases;
}
public String getVersionColumnName() {
return versionColumnName;
}
protected String getVersionedTableName() {
return getTableName( 0 );
}
protected boolean[] getSubclassColumnLazyiness() {
return subclassColumnLazyClosure;
}
protected boolean[] getSubclassFormulaLazyiness() {
return subclassFormulaLazyClosure;
}
/**
* We can't immediately add to the cache if we have formulas
* which must be evaluated, or if we have the possibility of
* two concurrent updates to the same item being merged on
* the database. This can happen if (a) the item is not
* versioned and either (b) we have dynamic update enabled
* or (c) we have multiple tables holding the state of the
* item.
*/
public boolean isCacheInvalidationRequired() {
return hasFormulaProperties() ||
( !isVersioned() && ( entityMetamodel.isDynamicUpdate() || getTableSpan() > 1 ) );
}
public boolean isLazyPropertiesCacheable() {
return isLazyPropertiesCacheable;
}
public String selectFragment(String alias, String suffix) {
return identifierSelectFragment( alias, suffix ) +
propertySelectFragment( alias, suffix, false );
}
public String[] getIdentifierAliases(String suffix) {
// NOTE: this assumes something about how propertySelectFragment is implemented by the subclass!
// was toUnqotedAliasStrings( getIdentiferColumnNames() ) before - now tried
// to remove that unqoting and missing aliases..
return new Alias( suffix ).toAliasStrings( getIdentifierAliases() );
}
public String[] getPropertyAliases(String suffix, int i) {
// NOTE: this assumes something about how propertySelectFragment is implemented by the subclass!
return new Alias( suffix ).toUnquotedAliasStrings( propertyColumnAliases[i] );
}
public String getDiscriminatorAlias(String suffix) {
// NOTE: this assumes something about how propertySelectFragment is implemented by the subclass!
// was toUnqotedAliasStrings( getdiscriminatorColumnName() ) before - now tried
// to remove that unqoting and missing aliases..
return entityMetamodel.hasSubclasses() ?
new Alias( suffix ).toAliasString( getDiscriminatorAlias() ) :
null;
}
public String identifierSelectFragment(String name, String suffix) {
return new SelectFragment()
.setSuffix( suffix )
.addColumns( name, getIdentifierColumnNames(), getIdentifierAliases() )
.toFragmentString()
.substring( 2 ); //strip leading ", "
}
public String propertySelectFragment(String name, String suffix, boolean allProperties) {
SelectFragment select = new SelectFragment()
.setSuffix( suffix )
.setUsedAliases( getIdentifierAliases() );
int[] columnTableNumbers = getSubclassColumnTableNumberClosure();
String[] columnAliases = getSubclassColumnAliasClosure();
String[] columns = getSubclassColumnClosure();
for ( int i = 0; i < getSubclassColumnClosure().length; i++ ) {
boolean selectable = ( allProperties || !subclassColumnLazyClosure[i] ) &&
!isSubclassTableSequentialSelect( columnTableNumbers[i] ) &&
subclassColumnSelectableClosure[i];
if ( selectable ) {
String subalias = generateTableAlias( name, columnTableNumbers[i] );
select.addColumn( subalias, columns[i], columnAliases[i] );
}
}
int[] formulaTableNumbers = getSubclassFormulaTableNumberClosure();
String[] formulaTemplates = getSubclassFormulaTemplateClosure();
String[] formulaAliases = getSubclassFormulaAliasClosure();
for ( int i = 0; i < getSubclassFormulaTemplateClosure().length; i++ ) {
boolean selectable = ( allProperties || !subclassFormulaLazyClosure[i] )
&& !isSubclassTableSequentialSelect( formulaTableNumbers[i] );
if ( selectable ) {
String subalias = generateTableAlias( name, formulaTableNumbers[i] );
select.addFormula( subalias, formulaTemplates[i], formulaAliases[i] );
}
}
if ( entityMetamodel.hasSubclasses() ) {
addDiscriminatorToSelect( select, name, suffix );
}
if ( hasRowId() ) {
select.addColumn( name, rowIdName, ROWID_ALIAS );
}
return select.toFragmentString();
}
public Object[] getDatabaseSnapshot(Serializable id, SessionImplementor session)
throws HibernateException {
if ( log.isTraceEnabled() ) {
log.trace( "Getting current persistent state for: " + MessageHelper.infoString( this, id, getFactory() ) );
}
try {
PreparedStatement ps = session.getBatcher().prepareSelectStatement( getSQLSnapshotSelectString() );
try {
getIdentifierType().nullSafeSet( ps, id, 1, session );
//if ( isVersioned() ) getVersionType().nullSafeSet( ps, version, getIdentifierColumnSpan()+1, session );
ResultSet rs = ps.executeQuery();
try {
//if there is no resulting row, return null
if ( !rs.next() ) {
return null;
}
//otherwise return the "hydrated" state (ie. associations are not resolved)
Type[] types = getPropertyTypes();
Object[] values = new Object[types.length];
boolean[] includeProperty = getPropertyUpdateability();
for ( int i = 0; i < types.length; i++ ) {
if ( includeProperty[i] ) {
values[i] = types[i].hydrate( rs, getPropertyAliases( "", i ), session, null ); //null owner ok??
}
}
return values;
}
finally {
rs.close();
}
}
finally {
session.getBatcher().closeStatement( ps );
}
}
catch ( SQLException sqle ) {
throw JDBCExceptionHelper.convert(
getFactory().getSQLExceptionConverter(),
sqle,
"could not retrieve snapshot: " +
MessageHelper.infoString( this, id, getFactory() ),
getSQLSnapshotSelectString()
);
}
}
/**
* Generate the SQL that selects the version number by id
*/
protected String generateSelectVersionString() {
SimpleSelect select = new SimpleSelect( getFactory().getDialect() )
.setTableName( getVersionedTableName() );
if ( isVersioned() ) {
select.addColumn( versionColumnName );
}
else {
select.addColumns( rootTableKeyColumnNames );
}
if ( getFactory().getSettings().isCommentsEnabled() ) {
select.setComment( "get version " + getEntityName() );
}
return select.addCondition( rootTableKeyColumnNames, "=?" ).toStatementString();
}
protected String generateInsertGeneratedValuesSelectString() {
return generateGeneratedValuesSelectString( getPropertyInsertGenerationInclusions() );
}
protected String generateUpdateGeneratedValuesSelectString() {
return generateGeneratedValuesSelectString( getPropertyUpdateGenerationInclusions() );
}
private String generateGeneratedValuesSelectString(ValueInclusion[] inclusions) {
Select select = new Select( getFactory().getDialect() );
if ( getFactory().getSettings().isCommentsEnabled() ) {
select.setComment( "get generated state " + getEntityName() );
}
String[] aliasedIdColumns = StringHelper.qualify( getRootAlias(), getIdentifierColumnNames() );
// Here we render the select column list based on the properties defined as being generated.
// For partial component generation, we currently just re-select the whole component
// rather than trying to handle the individual generated portions.
String selectClause = concretePropertySelectFragment( getRootAlias(), inclusions );
selectClause = selectClause.substring( 2 );
String fromClause = fromTableFragment( getRootAlias() ) +
fromJoinFragment( getRootAlias(), true, false );
String whereClause = new StringBuffer()
.append( StringHelper.join( "=? and ", aliasedIdColumns ) )
.append( "=?" )
.append( whereJoinFragment( getRootAlias(), true, false ) )
.toString();
return select.setSelectClause( selectClause )
.setFromClause( fromClause )
.setOuterJoins( "", "" )
.setWhereClause( whereClause )
.toStatementString();
}
protected static interface InclusionChecker {
public boolean includeProperty(int propertyNumber);
}
protected String concretePropertySelectFragment(String alias, final ValueInclusion[] inclusions) {
return concretePropertySelectFragment(
alias,
new InclusionChecker() {
// TODO : currently we really do not handle ValueInclusion.PARTIAL...
// ValueInclusion.PARTIAL would indicate parts of a component need to
// be included in the select; currently we then just render the entire
// component into the select clause in that case.
public boolean includeProperty(int propertyNumber) {
return inclusions[propertyNumber] != ValueInclusion.NONE;
}
}
);
}
protected String concretePropertySelectFragment(String alias, final boolean[] includeProperty) {
return concretePropertySelectFragment(
alias,
new InclusionChecker() {
public boolean includeProperty(int propertyNumber) {
return includeProperty[propertyNumber];
}
}
);
}
protected String concretePropertySelectFragment(String alias, InclusionChecker inclusionChecker) {
int propertyCount = getPropertyNames().length;
int[] propertyTableNumbers = getPropertyTableNumbersInSelect();
SelectFragment frag = new SelectFragment();
for ( int i = 0; i < propertyCount; i++ ) {
if ( inclusionChecker.includeProperty( i ) ) {
frag.addColumns(
generateTableAlias( alias, propertyTableNumbers[i] ),
propertyColumnNames[i],
propertyColumnAliases[i]
);
frag.addFormulas(
generateTableAlias( alias, propertyTableNumbers[i] ),
propertyColumnFormulaTemplates[i],
propertyColumnAliases[i]
);
}
}
return frag.toFragmentString();
}
protected String generateSnapshotSelectString() {
//TODO: should we use SELECT .. FOR UPDATE?
Select select = new Select( getFactory().getDialect() );
if ( getFactory().getSettings().isCommentsEnabled() ) {
select.setComment( "get current state " + getEntityName() );
}
String[] aliasedIdColumns = StringHelper.qualify( getRootAlias(), getIdentifierColumnNames() );
String selectClause = StringHelper.join( ", ", aliasedIdColumns ) +
concretePropertySelectFragment( getRootAlias(), getPropertyUpdateability() );
String fromClause = fromTableFragment( getRootAlias() ) +
fromJoinFragment( getRootAlias(), true, false );
String whereClause = new StringBuffer()
.append( StringHelper.join( "=? and ",
aliasedIdColumns ) )
.append( "=?" )
.append( whereJoinFragment( getRootAlias(), true, false ) )
.toString();
/*if ( isVersioned() ) {
where.append(" and ")
.append( getVersionColumnName() )
.append("=?");
}*/
return select.setSelectClause( selectClause )
.setFromClause( fromClause )
.setOuterJoins( "", "" )
.setWhereClause( whereClause )
.toStatementString();
}
public Object forceVersionIncrement(Serializable id, Object currentVersion, SessionImplementor session) {
if ( !isVersioned() ) {
throw new AssertionFailure( "cannot force version increment on non-versioned entity" );
}
if ( isVersionPropertyGenerated() ) {
// the difficulty here is exactly what do we update in order to
// force the version to be incremented in the db...
throw new HibernateException( "LockMode.FORCE is currently not supported for generated version properties" );
}
Object nextVersion = getVersionType().next( currentVersion, session );
if ( log.isTraceEnabled() ) {
log.trace(
"Forcing version increment [" + MessageHelper.infoString( this, id, getFactory() ) +
"; " + getVersionType().toLoggableString( currentVersion, getFactory() ) +
" -> " + getVersionType().toLoggableString( nextVersion, getFactory() ) + "]"
);
}
// todo : cache this sql...
String versionIncrementString = generateVersionIncrementUpdateString();
PreparedStatement st = null;
try {
try {
st = session.getBatcher().prepareStatement( versionIncrementString );
getVersionType().nullSafeSet( st, nextVersion, 1, session );
getIdentifierType().nullSafeSet( st, id, 2, session );
getVersionType().nullSafeSet( st, currentVersion, 2 + getIdentifierColumnSpan(), session );
int rows = st.executeUpdate();
if ( rows != 1 ) {
throw new StaleObjectStateException( getEntityName(), id );
}
}
finally {
session.getBatcher().closeStatement( st );
}
}
catch ( SQLException sqle ) {
throw JDBCExceptionHelper.convert(
getFactory().getSQLExceptionConverter(),
sqle,
"could not retrieve version: " +
MessageHelper.infoString( this, id, getFactory() ),
getVersionSelectString()
);
}
return nextVersion;
}
private String generateVersionIncrementUpdateString() {
Update update = new Update( getFactory().getDialect() );
update.setTableName( getTableName( 0 ) );
if ( getFactory().getSettings().isCommentsEnabled() ) {
update.setComment( "forced version increment" );
}
update.addColumn( getVersionColumnName() );
update.setPrimaryKeyColumnNames( getIdentifierColumnNames() );
update.setVersionColumnName( getVersionColumnName() );
return update.toStatementString();
}
/**
* Retrieve the version number
*/
public Object getCurrentVersion(Serializable id, SessionImplementor session) throws HibernateException {
if ( log.isTraceEnabled() ) {
log.trace( "Getting version: " + MessageHelper.infoString( this, id, getFactory() ) );
}
try {
PreparedStatement st = session.getBatcher().prepareSelectStatement( getVersionSelectString() );
try {
getIdentifierType().nullSafeSet( st, id, 1, session );
ResultSet rs = st.executeQuery();
try {
if ( !rs.next() ) {
return null;
}
if ( !isVersioned() ) {
return this;
}
return getVersionType().nullSafeGet( rs, getVersionColumnName(), session, null );
}
finally {
rs.close();
}
}
finally {
session.getBatcher().closeStatement( st );
}
}
catch ( SQLException sqle ) {
throw JDBCExceptionHelper.convert(
getFactory().getSQLExceptionConverter(),
sqle,
"could not retrieve version: " +
MessageHelper.infoString( this, id, getFactory() ),
getVersionSelectString()
);
}
}
protected void initLockers() {
lockers.put( LockMode.READ, generateLocker( LockMode.READ ) );
lockers.put( LockMode.UPGRADE, generateLocker( LockMode.UPGRADE ) );
lockers.put( LockMode.UPGRADE_NOWAIT, generateLocker( LockMode.UPGRADE_NOWAIT ) );
lockers.put( LockMode.FORCE, generateLocker( LockMode.FORCE ) );
}
protected LockingStrategy generateLocker(LockMode lockMode) {
return factory.getDialect().getLockingStrategy( this, lockMode );
}
private LockingStrategy getLocker(LockMode lockMode) {
return ( LockingStrategy ) lockers.get( lockMode );
}
public void lock(
Serializable id,
Object version,
Object object,
LockMode lockMode,
SessionImplementor session) throws HibernateException {
getLocker( lockMode ).lock( id, version, object, session );
}
public String getRootTableName() {
return getSubclassTableName( 0 );
}
public String getRootTableAlias(String drivingAlias) {
return drivingAlias;
}
public String[] getRootTableIdentifierColumnNames() {
return getRootTableKeyColumnNames();
}
public String[] toColumns(String alias, String propertyName) throws QueryException {
return propertyMapping.toColumns( alias, propertyName );
}
public String[] toColumns(String propertyName) throws QueryException {
return propertyMapping.getColumnNames( propertyName );
}
public Type toType(String propertyName) throws QueryException {
return propertyMapping.toType( propertyName );
}
public String[] getPropertyColumnNames(String propertyName) {
return propertyMapping.getColumnNames( propertyName );
}
/**
* Warning:
* When there are duplicated property names in the subclasses
* of the class, this method may return the wrong table
* number for the duplicated subclass property (note that
* SingleTableEntityPersister defines an overloaded form
* which takes the entity name.
*/
public int getSubclassPropertyTableNumber(String propertyPath) {
String rootPropertyName = StringHelper.root(propertyPath);
Type type = propertyMapping.toType(rootPropertyName);
if ( type.isAssociationType() ) {
AssociationType assocType = ( AssociationType ) type;
if ( assocType.useLHSPrimaryKey() ) {
// performance op to avoid the array search
return 0;
}
else if ( type.isCollectionType() ) {
// properly handle property-ref-based associations
rootPropertyName = assocType.getLHSPropertyName();
}
}
//Enable for HHH-440, which we don't like:
/*if ( type.isComponentType() && !propertyName.equals(rootPropertyName) ) {
String unrooted = StringHelper.unroot(propertyName);
int idx = ArrayHelper.indexOf( getSubclassColumnClosure(), unrooted );
if ( idx != -1 ) {
return getSubclassColumnTableNumberClosure()[idx];
}
}*/
int index = ArrayHelper.indexOf( getSubclassPropertyNameClosure(), rootPropertyName); //TODO: optimize this better!
return index==-1 ? 0 : getSubclassPropertyTableNumber(index);
}
public Declarer getSubclassPropertyDeclarer(String propertyPath) {
int tableIndex = getSubclassPropertyTableNumber( propertyPath );
if ( tableIndex == 0 ) {
return Declarer.CLASS;
}
else if ( isClassOrSuperclassTable( tableIndex ) ) {
return Declarer.SUPERCLASS;
}
else {
return Declarer.SUBCLASS;
}
}
protected String generateTableAlias(String rootAlias, int tableNumber) {
if ( tableNumber == 0 ) {
return rootAlias;
}
StringBuffer buf = new StringBuffer().append( rootAlias );
if ( !rootAlias.endsWith( "_" ) ) {
buf.append( '_' );
}
return buf.append( tableNumber ).append( '_' ).toString();
}
public String[] toColumns(String name, final int i) {
final String alias = generateTableAlias( name, getSubclassPropertyTableNumber( i ) );
String[] cols = getSubclassPropertyColumnNames( i );
String[] templates = getSubclassPropertyFormulaTemplateClosure()[i];
String[] result = new String[cols.length];
for ( int j = 0; j < cols.length; j++ ) {
if ( cols[j] == null ) {
result[j] = StringHelper.replace( templates[j], Template.TEMPLATE, alias );
}
else {
result[j] = StringHelper.qualify( alias, cols[j] );
}
}
return result;
}
private int getSubclassPropertyIndex(String propertyName) {
return ArrayHelper.indexOf(subclassPropertyNameClosure, propertyName);
}
protected String[] getPropertySubclassNames() {
return propertySubclassNames;
}
public String[] getPropertyColumnNames(int i) {
return propertyColumnNames[i];
}
protected int getPropertyColumnSpan(int i) {
return propertyColumnSpans[i];
}
protected boolean hasFormulaProperties() {
return hasFormulaProperties;
}
public FetchMode getFetchMode(int i) {
return subclassPropertyFetchModeClosure[i];
}
public CascadeStyle getCascadeStyle(int i) {
return subclassPropertyCascadeStyleClosure[i];
}
public Type getSubclassPropertyType(int i) {
return subclassPropertyTypeClosure[i];
}
public String getSubclassPropertyName(int i) {
return subclassPropertyNameClosure[i];
}
public int countSubclassProperties() {
return subclassPropertyTypeClosure.length;
}
public String[] getSubclassPropertyColumnNames(int i) {
return subclassPropertyColumnNameClosure[i];
}
public boolean isDefinedOnSubclass(int i) {
return propertyDefinedOnSubclass[i];
}
protected String[][] getSubclassPropertyFormulaTemplateClosure() {
return subclassPropertyFormulaTemplateClosure;
}
protected Type[] getSubclassPropertyTypeClosure() {
return subclassPropertyTypeClosure;
}
protected String[][] getSubclassPropertyColumnNameClosure() {
return subclassPropertyColumnNameClosure;
}
protected String[] getSubclassPropertyNameClosure() {
return subclassPropertyNameClosure;
}
protected String[] getSubclassPropertySubclassNameClosure() {
return subclassPropertySubclassNameClosure;
}
protected String[] getSubclassColumnClosure() {
return subclassColumnClosure;
}
protected String[] getSubclassColumnAliasClosure() {
return subclassColumnAliasClosure;
}
protected String[] getSubclassFormulaClosure() {
return subclassFormulaClosure;
}
protected String[] getSubclassFormulaTemplateClosure() {
return subclassFormulaTemplateClosure;
}
protected String[] getSubclassFormulaAliasClosure() {
return subclassFormulaAliasClosure;
}
public String[] getSubclassPropertyColumnAliases(String propertyName, String suffix) {
String rawAliases[] = ( String[] ) subclassPropertyAliases.get( propertyName );
if ( rawAliases == null ) {
return null;
}
String result[] = new String[rawAliases.length];
for ( int i = 0; i < rawAliases.length; i++ ) {
result[i] = new Alias( suffix ).toUnquotedAliasString( rawAliases[i] );
}
return result;
}
public String[] getSubclassPropertyColumnNames(String propertyName) {
//TODO: should we allow suffixes on these ?
return ( String[] ) subclassPropertyColumnNames.get( propertyName );
}
//This is really ugly, but necessary:
/**
* Must be called by subclasses, at the end of their constructors
*/
protected void initSubclassPropertyAliasesMap(PersistentClass model) throws MappingException {
// ALIASES
internalInitSubclassPropertyAliasesMap( null, model.getSubclassPropertyClosureIterator() );
// aliases for identifier ( alias.id ); skip if the entity defines a non-id property named 'id'
if ( ! entityMetamodel.hasNonIdentifierPropertyNamedId() ) {
subclassPropertyAliases.put( ENTITY_ID, getIdentifierAliases() );
subclassPropertyColumnNames.put( ENTITY_ID, getIdentifierColumnNames() );
}
// aliases named identifier ( alias.idname )
if ( hasIdentifierProperty() ) {
subclassPropertyAliases.put( getIdentifierPropertyName(), getIdentifierAliases() );
subclassPropertyColumnNames.put( getIdentifierPropertyName(), getIdentifierColumnNames() );
}
// aliases for composite-id's
if ( getIdentifierType().isComponentType() ) {
// Fetch embedded identifiers propertynames from the "virtual" identifier component
AbstractComponentType componentId = ( AbstractComponentType ) getIdentifierType();
String[] idPropertyNames = componentId.getPropertyNames();
String[] idAliases = getIdentifierAliases();
String[] idColumnNames = getIdentifierColumnNames();
for ( int i = 0; i < idPropertyNames.length; i++ ) {
if ( entityMetamodel.hasNonIdentifierPropertyNamedId() ) {
subclassPropertyAliases.put(
ENTITY_ID + "." + idPropertyNames[i],
new String[] { idAliases[i] }
);
subclassPropertyColumnNames.put(
ENTITY_ID + "." + getIdentifierPropertyName() + "." + idPropertyNames[i],
new String[] { idColumnNames[i] }
);
}
// if (hasIdentifierProperty() && !ENTITY_ID.equals( getIdentifierPropertyName() ) ) {
if ( hasIdentifierProperty() ) {
subclassPropertyAliases.put(
getIdentifierPropertyName() + "." + idPropertyNames[i],
new String[] { idAliases[i] }
);
subclassPropertyColumnNames.put(
getIdentifierPropertyName() + "." + idPropertyNames[i],
new String[] { idColumnNames[i] }
);
}
else {
// embedded composite ids ( alias.idname1, alias.idname2 )
subclassPropertyAliases.put( idPropertyNames[i], new String[] { idAliases[i] } );
subclassPropertyColumnNames.put( idPropertyNames[i], new String[] { idColumnNames[i] } );
}
}
}
if ( entityMetamodel.isPolymorphic() ) {
subclassPropertyAliases.put( ENTITY_CLASS, new String[] { getDiscriminatorAlias() } );
subclassPropertyColumnNames.put( ENTITY_CLASS, new String[] { getDiscriminatorColumnName() } );
}
}
private void internalInitSubclassPropertyAliasesMap(String path, Iterator propertyIterator) {
while ( propertyIterator.hasNext() ) {
Property prop = ( Property ) propertyIterator.next();
String propname = path == null ? prop.getName() : path + "." + prop.getName();
if ( prop.isComposite() ) {
Component component = ( Component ) prop.getValue();
Iterator compProps = component.getPropertyIterator();
internalInitSubclassPropertyAliasesMap( propname, compProps );
}
else {
String[] aliases = new String[prop.getColumnSpan()];
String[] cols = new String[prop.getColumnSpan()];
Iterator colIter = prop.getColumnIterator();
int l = 0;
while ( colIter.hasNext() ) {
Selectable thing = ( Selectable ) colIter.next();
aliases[l] = thing.getAlias( getFactory().getDialect(), prop.getValue().getTable() );
cols[l] = thing.getText( getFactory().getDialect() ); // TODO: skip formulas?
l++;
}
subclassPropertyAliases.put( propname, aliases );
subclassPropertyColumnNames.put( propname, cols );
}
}
}
public Object loadByUniqueKey(
String propertyName,
Object uniqueKey,
SessionImplementor session) throws HibernateException {
return getAppropriateUniqueKeyLoader( propertyName, session ).loadByUniqueKey( session, uniqueKey );
}
private EntityLoader getAppropriateUniqueKeyLoader(String propertyName, SessionImplementor session) {
final boolean useStaticLoader = !session.getLoadQueryInfluencers().hasEnabledFilters()
&& !session.getLoadQueryInfluencers().hasEnabledFetchProfiles()
&& propertyName.indexOf('.')<0; //ugly little workaround for fact that createUniqueKeyLoaders() does not handle component properties
if ( useStaticLoader ) {
return ( EntityLoader ) uniqueKeyLoaders.get( propertyName );
}
else {
return createUniqueKeyLoader(
propertyMapping.toType( propertyName ),
propertyMapping.toColumns( propertyName ),
session.getLoadQueryInfluencers()
);
}
}
public int getPropertyIndex(String propertyName) {
return entityMetamodel.getPropertyIndex(propertyName);
}
protected void createUniqueKeyLoaders() throws MappingException {
Type[] propertyTypes = getPropertyTypes();
String[] propertyNames = getPropertyNames();
for ( int i = 0; i < entityMetamodel.getPropertySpan(); i++ ) {
if ( propertyUniqueness[i] ) {
//don't need filters for the static loaders
uniqueKeyLoaders.put(
propertyNames[i],
createUniqueKeyLoader(
propertyTypes[i],
getPropertyColumnNames( i ),
LoadQueryInfluencers.NONE
)
);
//TODO: create uk loaders for component properties
}
}
}
private EntityLoader createUniqueKeyLoader(
Type uniqueKeyType,
String[] columns,
LoadQueryInfluencers loadQueryInfluencers) {
if ( uniqueKeyType.isEntityType() ) {
String className = ( ( EntityType ) uniqueKeyType ).getAssociatedEntityName();
uniqueKeyType = getFactory().getEntityPersister( className ).getIdentifierType();
}
return new EntityLoader(
this,
columns,
uniqueKeyType,
1,
LockMode.NONE,
getFactory(),
loadQueryInfluencers
);
}
protected String getSQLWhereString(String alias) {
return StringHelper.replace( sqlWhereStringTemplate, Template.TEMPLATE, alias );
}
protected boolean hasWhere() {
return sqlWhereString != null;
}
private void initOrdinaryPropertyPaths(Mapping mapping) throws MappingException {
for ( int i = 0; i < getSubclassPropertyNameClosure().length; i++ ) {
propertyMapping.initPropertyPaths( getSubclassPropertyNameClosure()[i],
getSubclassPropertyTypeClosure()[i],
getSubclassPropertyColumnNameClosure()[i],
getSubclassPropertyFormulaTemplateClosure()[i],
mapping );
}
}
private void initIdentifierPropertyPaths(Mapping mapping) throws MappingException {
String idProp = getIdentifierPropertyName();
if ( idProp != null ) {
propertyMapping.initPropertyPaths( idProp, getIdentifierType(), getIdentifierColumnNames(), null, mapping );
}
if ( entityMetamodel.getIdentifierProperty().isEmbedded() ) {
propertyMapping.initPropertyPaths( null, getIdentifierType(), getIdentifierColumnNames(), null, mapping );
}
if ( ! entityMetamodel.hasNonIdentifierPropertyNamedId() ) {
propertyMapping.initPropertyPaths( ENTITY_ID, getIdentifierType(), getIdentifierColumnNames(), null, mapping );
}
}
private void initDiscriminatorPropertyPath(Mapping mapping) throws MappingException {
propertyMapping.initPropertyPaths( ENTITY_CLASS,
getDiscriminatorType(),
new String[]{getDiscriminatorColumnName()},
new String[]{getDiscriminatorFormulaTemplate()},
getFactory() );
}
protected void initPropertyPaths(Mapping mapping) throws MappingException {
initOrdinaryPropertyPaths(mapping);
initOrdinaryPropertyPaths(mapping); //do two passes, for collection property-ref!
initIdentifierPropertyPaths(mapping);
if ( entityMetamodel.isPolymorphic() ) {
initDiscriminatorPropertyPath( mapping );
}
}
protected UniqueEntityLoader createEntityLoader(
LockMode lockMode,
LoadQueryInfluencers loadQueryInfluencers) throws MappingException {
//TODO: disable batch loading if lockMode > READ?
return BatchingEntityLoader.createBatchingEntityLoader(
this,
batchSize,
lockMode,
getFactory(),
loadQueryInfluencers
);
}
protected UniqueEntityLoader createEntityLoader(LockMode lockMode) throws MappingException {
return createEntityLoader( lockMode, LoadQueryInfluencers.NONE );
}
protected boolean check(int rows, Serializable id, int tableNumber, Expectation expectation, PreparedStatement statement) throws HibernateException {
try {
expectation.verifyOutcome( rows, statement, -1 );
}
catch( StaleStateException e ) {
if ( !isNullableTable( tableNumber ) ) {
if ( getFactory().getStatistics().isStatisticsEnabled() ) {
getFactory().getStatisticsImplementor()
.optimisticFailure( getEntityName() );
}
throw new StaleObjectStateException( getEntityName(), id );
}
return false;
}
catch( TooManyRowsAffectedException e ) {
throw new HibernateException(
"Duplicate identifier in table for: " +
MessageHelper.infoString( this, id, getFactory() )
);
}
catch ( Throwable t ) {
return false;
}
return true;
}
protected String generateUpdateString(boolean[] includeProperty, int j, boolean useRowId) {
return generateUpdateString( includeProperty, j, null, useRowId );
}
/**
* Generate the SQL that updates a row by id (and version)
*/
protected String generateUpdateString(final boolean[] includeProperty,
final int j,
final Object[] oldFields,
final boolean useRowId) {
Update update = new Update( getFactory().getDialect() ).setTableName( getTableName( j ) );
// select the correct row by either pk or rowid
if ( useRowId ) {
update.setPrimaryKeyColumnNames( new String[]{rowIdName} ); //TODO: eventually, rowIdName[j]
}
else {
update.setPrimaryKeyColumnNames( getKeyColumns( j ) );
}
boolean hasColumns = false;
for ( int i = 0; i < entityMetamodel.getPropertySpan(); i++ ) {
if ( includeProperty[i] && isPropertyOfTable( i, j ) ) {
// this is a property of the table, which we are updating
update.addColumns( getPropertyColumnNames(i), propertyColumnUpdateable[i] );
hasColumns = hasColumns || getPropertyColumnSpan( i ) > 0;
}
}
if ( j == 0 && isVersioned() && entityMetamodel.getOptimisticLockMode() == Versioning.OPTIMISTIC_LOCK_VERSION ) {
// this is the root (versioned) table, and we are using version-based
// optimistic locking; if we are not updating the version, also don't
// check it (unless this is a "generated" version column)!
if ( checkVersion( includeProperty ) ) {
update.setVersionColumnName( getVersionColumnName() );
hasColumns = true;
}
}
else if ( entityMetamodel.getOptimisticLockMode() > Versioning.OPTIMISTIC_LOCK_VERSION && oldFields != null ) {
// we are using "all" or "dirty" property-based optimistic locking
boolean[] includeInWhere = entityMetamodel.getOptimisticLockMode() == Versioning.OPTIMISTIC_LOCK_ALL ?
getPropertyUpdateability() : //optimistic-lock="all", include all updatable properties
includeProperty; //optimistic-lock="dirty", include all properties we are updating this time
boolean[] versionability = getPropertyVersionability();
Type[] types = getPropertyTypes();
for ( int i = 0; i < entityMetamodel.getPropertySpan(); i++ ) {
boolean include = includeInWhere[i] &&
isPropertyOfTable( i, j ) &&
versionability[i];
if ( include ) {
// this property belongs to the table, and it is not specifically
// excluded from optimistic locking by optimistic-lock="false"
String[] propertyColumnNames = getPropertyColumnNames( i );
boolean[] propertyNullness = types[i].toColumnNullness( oldFields[i], getFactory() );
for ( int k=0; k<propertyNullness.length; k++ ) {
if ( propertyNullness[k] ) {
update.addWhereColumn( propertyColumnNames[k] );
}
else {
update.addWhereColumn( propertyColumnNames[k], " is null" );
}
}
}
}
}
if ( getFactory().getSettings().isCommentsEnabled() ) {
update.setComment( "update " + getEntityName() );
}
return hasColumns ? update.toStatementString() : null;
}
private boolean checkVersion(final boolean[] includeProperty) {
return includeProperty[ getVersionProperty() ] ||
entityMetamodel.getPropertyUpdateGenerationInclusions()[ getVersionProperty() ] != ValueInclusion.NONE;
}
protected String generateInsertString(boolean[] includeProperty, int j) {
return generateInsertString( false, includeProperty, j );
}
protected String generateInsertString(boolean identityInsert, boolean[] includeProperty) {
return generateInsertString( identityInsert, includeProperty, 0 );
}
/**
* Generate the SQL that inserts a row
*/
protected String generateInsertString(boolean identityInsert, boolean[] includeProperty, int j) {
// todo : remove the identityInsert param and variations;
// identity-insert strings are now generated from generateIdentityInsertString()
Insert insert = new Insert( getFactory().getDialect() )
.setTableName( getTableName( j ) );
// add normal properties
for ( int i = 0; i < entityMetamodel.getPropertySpan(); i++ ) {
if ( includeProperty[i] && isPropertyOfTable( i, j ) ) {
// this property belongs on the table and is to be inserted
insert.addColumns( getPropertyColumnNames(i), propertyColumnInsertable[i] );
}
}
// add the discriminator
if ( j == 0 ) {
addDiscriminatorToInsert( insert );
}
// add the primary key
if ( j == 0 && identityInsert ) {
insert.addIdentityColumn( getKeyColumns( 0 )[0] );
}
else {
insert.addColumns( getKeyColumns( j ) );
}
if ( getFactory().getSettings().isCommentsEnabled() ) {
insert.setComment( "insert " + getEntityName() );
}
String result = insert.toStatementString();
// append the SQL to return the generated identifier
if ( j == 0 && identityInsert && useInsertSelectIdentity() ) { //TODO: suck into Insert
result = getFactory().getDialect().appendIdentitySelectToInsert( result );
}
return result;
}
/**
* Used to generate an insery statement against the root table in the
* case of identifier generation strategies where the insert statement
* executions actually generates the identifier value.
*
* @param includeProperty indices of the properties to include in the
* insert statement.
* @return The insert SQL statement string
*/
protected String generateIdentityInsertString(boolean[] includeProperty) {
Insert insert = identityDelegate.prepareIdentifierGeneratingInsert();
insert.setTableName( getTableName( 0 ) );
// add normal properties
for ( int i = 0; i < entityMetamodel.getPropertySpan(); i++ ) {
if ( includeProperty[i] && isPropertyOfTable( i, 0 ) ) {
// this property belongs on the table and is to be inserted
insert.addColumns( getPropertyColumnNames(i), propertyColumnInsertable[i] );
}
}
// add the discriminator
addDiscriminatorToInsert( insert );
// delegate already handles PK columns
if ( getFactory().getSettings().isCommentsEnabled() ) {
insert.setComment( "insert " + getEntityName() );
}
return insert.toStatementString();
}
/**
* Generate the SQL that deletes a row by id (and version)
*/
protected String generateDeleteString(int j) {
Delete delete = new Delete()
.setTableName( getTableName( j ) )
.setPrimaryKeyColumnNames( getKeyColumns( j ) );
if ( j == 0 ) {
delete.setVersionColumnName( getVersionColumnName() );
}
if ( getFactory().getSettings().isCommentsEnabled() ) {
delete.setComment( "delete " + getEntityName() );
}
return delete.toStatementString();
}
protected int dehydrate(
Serializable id,
Object[] fields,
boolean[] includeProperty,
boolean[][] includeColumns,
int j,
PreparedStatement st,
SessionImplementor session) throws HibernateException, SQLException {
return dehydrate( id, fields, null, includeProperty, includeColumns, j, st, session, 1 );
}
/**
* Marshall the fields of a persistent instance to a prepared statement
*/
protected int dehydrate(
final Serializable id,
final Object[] fields,
final Object rowId,
final boolean[] includeProperty,
final boolean[][] includeColumns,
final int j,
final PreparedStatement ps,
final SessionImplementor session,
int index) throws SQLException, HibernateException {
if ( log.isTraceEnabled() ) {
log.trace( "Dehydrating entity: " + MessageHelper.infoString( this, id, getFactory() ) );
}
for ( int i = 0; i < entityMetamodel.getPropertySpan(); i++ ) {
if ( includeProperty[i] && isPropertyOfTable( i, j ) ) {
getPropertyTypes()[i].nullSafeSet( ps, fields[i], index, includeColumns[i], session );
//index += getPropertyColumnSpan( i );
index += ArrayHelper.countTrue( includeColumns[i] ); //TODO: this is kinda slow...
}
}
if ( rowId != null ) {
ps.setObject( index, rowId );
index += 1;
}
else if ( id != null ) {
getIdentifierType().nullSafeSet( ps, id, index, session );
index += getIdentifierColumnSpan();
}
return index;
}
/**
* Unmarshall the fields of a persistent instance from a result set,
* without resolving associations or collections. Question: should
* this really be here, or should it be sent back to Loader?
*/
public Object[] hydrate(
final ResultSet rs,
final Serializable id,
final Object object,
final Loadable rootLoadable,
final String[][] suffixedPropertyColumns,
final boolean allProperties,
final SessionImplementor session) throws SQLException, HibernateException {
if ( log.isTraceEnabled() ) {
log.trace( "Hydrating entity: " + MessageHelper.infoString( this, id, getFactory() ) );
}
final AbstractEntityPersister rootPersister = (AbstractEntityPersister) rootLoadable;
final boolean hasDeferred = rootPersister.hasSequentialSelect();
PreparedStatement sequentialSelect = null;
ResultSet sequentialResultSet = null;
boolean sequentialSelectEmpty = false;
try {
if ( hasDeferred ) {
final String sql = rootPersister.getSequentialSelect( getEntityName() );
if ( sql != null ) {
//TODO: I am not so sure about the exception handling in this bit!
sequentialSelect = session.getBatcher().prepareSelectStatement( sql );
rootPersister.getIdentifierType().nullSafeSet( sequentialSelect, id, 1, session );
sequentialResultSet = sequentialSelect.executeQuery();
if ( !sequentialResultSet.next() ) {
// TODO: Deal with the "optional" attribute in the <join> mapping;
// this code assumes that optional defaults to "true" because it
// doesn't actually seem to work in the fetch="join" code
//
// Note that actual proper handling of optional-ality here is actually
// more involved than this patch assumes. Remember that we might have
// multiple <join/> mappings associated with a single entity. Really
// a couple of things need to happen to properly handle optional here:
// 1) First and foremost, when handling multiple <join/>s, we really
// should be using the entity root table as the driving table;
// another option here would be to choose some non-optional joined
// table to use as the driving table. In all likelihood, just using
// the root table is much simplier
// 2) Need to add the FK columns corresponding to each joined table
// to the generated select list; these would then be used when
// iterating the result set to determine whether all non-optional
// data is present
// My initial thoughts on the best way to deal with this would be
// to introduce a new SequentialSelect abstraction that actually gets
// generated in the persisters (ok, SingleTable...) and utilized here.
// It would encapsulated all this required optional-ality checking...
sequentialSelectEmpty = true;
}
}
}
final String[] propNames = getPropertyNames();
final Type[] types = getPropertyTypes();
final Object[] values = new Object[types.length];
final boolean[] laziness = getPropertyLaziness();
final String[] propSubclassNames = getSubclassPropertySubclassNameClosure();
for ( int i = 0; i < types.length; i++ ) {
if ( !propertySelectable[i] ) {
values[i] = BackrefPropertyAccessor.UNKNOWN;
}
else if ( allProperties || !laziness[i] ) {
//decide which ResultSet to get the property value from:
final boolean propertyIsDeferred = hasDeferred &&
rootPersister.isSubclassPropertyDeferred( propNames[i], propSubclassNames[i] );
if ( propertyIsDeferred && sequentialSelectEmpty ) {
values[i] = null;
}
else {
final ResultSet propertyResultSet = propertyIsDeferred ? sequentialResultSet : rs;
final String[] cols = propertyIsDeferred ? propertyColumnAliases[i] : suffixedPropertyColumns[i];
values[i] = types[i].hydrate( propertyResultSet, cols, session, object );
}
}
else {
values[i] = LazyPropertyInitializer.UNFETCHED_PROPERTY;
}
}
if ( sequentialResultSet != null ) {
sequentialResultSet.close();
}
return values;
}
finally {
if ( sequentialSelect != null ) {
session.getBatcher().closeStatement( sequentialSelect );
}
}
}
protected boolean useInsertSelectIdentity() {
return !useGetGeneratedKeys() && getFactory().getDialect().supportsInsertSelectIdentity();
}
protected boolean useGetGeneratedKeys() {
return getFactory().getSettings().isGetGeneratedKeysEnabled();
}
protected String getSequentialSelect(String entityName) {
throw new UnsupportedOperationException("no sequential selects");
}
/**
* Perform an SQL INSERT, and then retrieve a generated identifier.
* <p/>
* This form is used for PostInsertIdentifierGenerator-style ids (IDENTITY,
* select, etc).
*/
protected Serializable insert(
final Object[] fields,
final boolean[] notNull,
String sql,
final Object object,
final SessionImplementor session) throws HibernateException {
if ( log.isTraceEnabled() ) {
log.trace( "Inserting entity: " + getEntityName() + " (native id)" );
if ( isVersioned() ) {
log.trace( "Version: " + Versioning.getVersion( fields, this ) );
}
}
Binder binder = new Binder() {
public void bindValues(PreparedStatement ps) throws SQLException {
dehydrate( null, fields, notNull, propertyColumnInsertable, 0, ps, session );
}
public Object getEntity() {
return object;
}
};
return identityDelegate.performInsert( sql, session, binder );
}
public String getIdentitySelectString() {
//TODO: cache this in an instvar
return getFactory().getDialect().getIdentitySelectString(
getTableName(0),
getKeyColumns(0)[0],
getIdentifierType().sqlTypes( getFactory() )[0]
);
}
public String getSelectByUniqueKeyString(String propertyName) {
return new SimpleSelect( getFactory().getDialect() )
.setTableName( getTableName(0) )
.addColumns( getKeyColumns(0) )
.addCondition( getPropertyColumnNames(propertyName), "=?" )
.toStatementString();
}
/**
* Perform an SQL INSERT.
* <p/>
* This for is used for all non-root tables as well as the root table
* in cases where the identifier value is known before the insert occurs.
*/
protected void insert(
final Serializable id,
final Object[] fields,
final boolean[] notNull,
final int j,
final String sql,
final Object object,
final SessionImplementor session) throws HibernateException {
if ( isInverseTable( j ) ) {
return;
}
//note: it is conceptually possible that a UserType could map null to
// a non-null value, so the following is arguable:
if ( isNullableTable( j ) && isAllNull( fields, j ) ) {
return;
}
if ( log.isTraceEnabled() ) {
log.trace( "Inserting entity: " + MessageHelper.infoString( this, id, getFactory() ) );
if ( j == 0 && isVersioned() ) {
log.trace( "Version: " + Versioning.getVersion( fields, this ) );
}
}
Expectation expectation = Expectations.appropriateExpectation( insertResultCheckStyles[j] );
boolean callable = isInsertCallable( j );
// we can't batch joined inserts, *especially* not if it is an identity insert;
// nor can we batch statements where the expectation is based on an output param
final boolean useBatch = j == 0 && expectation.canBeBatched();
try {
// Render the SQL query
final PreparedStatement insert;
if ( useBatch ) {
if ( callable ) {
insert = session.getBatcher().prepareBatchCallableStatement( sql );
}
else {
insert = session.getBatcher().prepareBatchStatement( sql );
}
}
else {
if ( callable ) {
insert = session.getBatcher().prepareCallableStatement( sql );
}
else {
insert = session.getBatcher().prepareStatement( sql );
}
}
try {
int index = 1;
index += expectation.prepare( insert );
// Write the values of fields onto the prepared statement - we MUST use the state at the time the
// insert was issued (cos of foreign key constraints). Not necessarily the object's current state
dehydrate( id, fields, null, notNull, propertyColumnInsertable, j, insert, session, index );
if ( useBatch ) {
// TODO : shouldnt inserts be Expectations.NONE?
session.getBatcher().addToBatch( expectation );
}
else {
expectation.verifyOutcome( insert.executeUpdate(), insert, -1 );
}
}
catch ( SQLException sqle ) {
if ( useBatch ) {
session.getBatcher().abortBatch( sqle );
}
throw sqle;
}
finally {
if ( !useBatch ) {
session.getBatcher().closeStatement( insert );
}
}
}
catch ( SQLException sqle ) {
throw JDBCExceptionHelper.convert(
getFactory().getSQLExceptionConverter(),
sqle,
"could not insert: " + MessageHelper.infoString( this ),
sql
);
}
}
/**
* Perform an SQL UPDATE or SQL INSERT
*/
protected void updateOrInsert(
final Serializable id,
final Object[] fields,
final Object[] oldFields,
final Object rowId,
final boolean[] includeProperty,
final int j,
final Object oldVersion,
final Object object,
final String sql,
final SessionImplementor session) throws HibernateException {
if ( !isInverseTable( j ) ) {
final boolean isRowToUpdate;
if ( isNullableTable( j ) && oldFields != null && isAllNull( oldFields, j ) ) {
//don't bother trying to update, we know there is no row there yet
isRowToUpdate = false;
}
else if ( isNullableTable( j ) && isAllNull( fields, j ) ) {
//if all fields are null, we might need to delete existing row
isRowToUpdate = true;
delete( id, oldVersion, j, object, getSQLDeleteStrings()[j], session, null );
}
else {
//there is probably a row there, so try to update
//if no rows were updated, we will find out
isRowToUpdate = update( id, fields, oldFields, rowId, includeProperty, j, oldVersion, object, sql, session );
}
if ( !isRowToUpdate && !isAllNull( fields, j ) ) {
// assume that the row was not there since it previously had only null
// values, so do an INSERT instead
//TODO: does not respect dynamic-insert
insert( id, fields, getPropertyInsertability(), j, getSQLInsertStrings()[j], object, session );
}
}
}
protected boolean update(
final Serializable id,
final Object[] fields,
final Object[] oldFields,
final Object rowId,
final boolean[] includeProperty,
final int j,
final Object oldVersion,
final Object object,
final String sql,
final SessionImplementor session) throws HibernateException {
final boolean useVersion = j == 0 && isVersioned();
final Expectation expectation = Expectations.appropriateExpectation( updateResultCheckStyles[j] );
final boolean callable = isUpdateCallable( j );
final boolean useBatch = j == 0 && expectation.canBeBatched() && isBatchable(); //note: updates to joined tables can't be batched...
if ( log.isTraceEnabled() ) {
log.trace( "Updating entity: " + MessageHelper.infoString( this, id, getFactory() ) );
if ( useVersion ) {
log.trace( "Existing version: " + oldVersion + " -> New version: " + fields[getVersionProperty()] );
}
}
try {
int index = 1; // starting index
final PreparedStatement update;
if ( useBatch ) {
if ( callable ) {
update = session.getBatcher().prepareBatchCallableStatement( sql );
}
else {
update = session.getBatcher().prepareBatchStatement( sql );
}
}
else {
if ( callable ) {
update = session.getBatcher().prepareCallableStatement( sql );
}
else {
update = session.getBatcher().prepareStatement( sql );
}
}
try {
index+= expectation.prepare( update );
//Now write the values of fields onto the prepared statement
index = dehydrate( id, fields, rowId, includeProperty, propertyColumnUpdateable, j, update, session, index );
// Write any appropriate versioning conditional parameters
if ( useVersion && Versioning.OPTIMISTIC_LOCK_VERSION == entityMetamodel.getOptimisticLockMode() ) {
if ( checkVersion( includeProperty ) ) {
getVersionType().nullSafeSet( update, oldVersion, index, session );
}
}
else if ( entityMetamodel.getOptimisticLockMode() > Versioning.OPTIMISTIC_LOCK_VERSION && oldFields != null ) {
boolean[] versionability = getPropertyVersionability(); //TODO: is this really necessary????
boolean[] includeOldField = entityMetamodel.getOptimisticLockMode() == Versioning.OPTIMISTIC_LOCK_ALL ?
getPropertyUpdateability() : includeProperty;
Type[] types = getPropertyTypes();
for ( int i = 0; i < entityMetamodel.getPropertySpan(); i++ ) {
boolean include = includeOldField[i] &&
isPropertyOfTable( i, j ) &&
versionability[i]; //TODO: is this really necessary????
if ( include ) {
boolean[] settable = types[i].toColumnNullness( oldFields[i], getFactory() );
types[i].nullSafeSet(
update,
oldFields[i],
index,
settable,
session
);
index += ArrayHelper.countTrue(settable);
}
}
}
if ( useBatch ) {
session.getBatcher().addToBatch( expectation );
return true;
}
else {
return check( update.executeUpdate(), id, j, expectation, update );
}
}
catch ( SQLException sqle ) {
if ( useBatch ) {
session.getBatcher().abortBatch( sqle );
}
throw sqle;
}
finally {
if ( !useBatch ) {
session.getBatcher().closeStatement( update );
}
}
}
catch ( SQLException sqle ) {
throw JDBCExceptionHelper.convert(
getFactory().getSQLExceptionConverter(),
sqle,
"could not update: " + MessageHelper.infoString( this, id, getFactory() ),
sql
);
}
}
/**
* Perform an SQL DELETE
*/
protected void delete(
final Serializable id,
final Object version,
final int j,
final Object object,
final String sql,
final SessionImplementor session,
final Object[] loadedState) throws HibernateException {
if ( isInverseTable( j ) ) {
return;
}
final boolean useVersion = j == 0 && isVersioned();
final boolean callable = isDeleteCallable( j );
final Expectation expectation = Expectations.appropriateExpectation( deleteResultCheckStyles[j] );
final boolean useBatch = j == 0 && isBatchable() && expectation.canBeBatched();
if ( log.isTraceEnabled() ) {
log.trace( "Deleting entity: " + MessageHelper.infoString( this, id, getFactory() ) );
if ( useVersion ) {
log.trace( "Version: " + version );
}
}
if ( isTableCascadeDeleteEnabled( j ) ) {
if ( log.isTraceEnabled() ) {
log.trace( "delete handled by foreign key constraint: " + getTableName( j ) );
}
return; //EARLY EXIT!
}
try {
//Render the SQL query
PreparedStatement delete;
int index = 1;
if ( useBatch ) {
if ( callable ) {
delete = session.getBatcher().prepareBatchCallableStatement( sql );
}
else {
delete = session.getBatcher().prepareBatchStatement( sql );
}
}
else {
if ( callable ) {
delete = session.getBatcher().prepareCallableStatement( sql );
}
else {
delete = session.getBatcher().prepareStatement( sql );
}
}
try {
index += expectation.prepare( delete );
// Do the key. The key is immutable so we can use the _current_ object state - not necessarily
// the state at the time the delete was issued
getIdentifierType().nullSafeSet( delete, id, index, session );
index += getIdentifierColumnSpan();
// We should use the _current_ object state (ie. after any updates that occurred during flush)
if ( useVersion ) {
getVersionType().nullSafeSet( delete, version, index, session );
}
else if ( entityMetamodel.getOptimisticLockMode() > Versioning.OPTIMISTIC_LOCK_VERSION && loadedState != null ) {
boolean[] versionability = getPropertyVersionability();
Type[] types = getPropertyTypes();
for ( int i = 0; i < entityMetamodel.getPropertySpan(); i++ ) {
if ( isPropertyOfTable( i, j ) && versionability[i] ) {
// this property belongs to the table and it is not specifically
// excluded from optimistic locking by optimistic-lock="false"
boolean[] settable = types[i].toColumnNullness( loadedState[i], getFactory() );
types[i].nullSafeSet( delete, loadedState[i], index, settable, session );
index += ArrayHelper.countTrue( settable );
}
}
}
if ( useBatch ) {
session.getBatcher().addToBatch( expectation );
}
else {
check( delete.executeUpdate(), id, j, expectation, delete );
}
}
catch ( SQLException sqle ) {
if ( useBatch ) {
session.getBatcher().abortBatch( sqle );
}
throw sqle;
}
finally {
if ( !useBatch ) {
session.getBatcher().closeStatement( delete );
}
}
}
catch ( SQLException sqle ) {
throw JDBCExceptionHelper.convert(
getFactory().getSQLExceptionConverter(),
sqle,
"could not delete: " +
MessageHelper.infoString( this, id, getFactory() ),
sql
);
}
}
private String[] getUpdateStrings(boolean byRowId, boolean lazy) {
if ( byRowId ) {
return lazy ? getSQLLazyUpdateByRowIdStrings() : getSQLUpdateByRowIdStrings();
}
else {
return lazy ? getSQLLazyUpdateStrings() : getSQLUpdateStrings();
}
}
/**
* Update an object
*/
public void update(
final Serializable id,
final Object[] fields,
final int[] dirtyFields,
final boolean hasDirtyCollection,
final Object[] oldFields,
final Object oldVersion,
final Object object,
final Object rowId,
final SessionImplementor session) throws HibernateException {
//note: dirtyFields==null means we had no snapshot, and we couldn't get one using select-before-update
// oldFields==null just means we had no snapshot to begin with (we might have used select-before-update to get the dirtyFields)
final boolean[] tableUpdateNeeded = getTableUpdateNeeded( dirtyFields, hasDirtyCollection );
final int span = getTableSpan();
final boolean[] propsToUpdate;
final String[] updateStrings;
if ( entityMetamodel.isDynamicUpdate() && dirtyFields != null ) {
// For the case of dynamic-update="true", we need to generate the UPDATE SQL
propsToUpdate = getPropertiesToUpdate( dirtyFields, hasDirtyCollection );
// don't need to check laziness (dirty checking algorithm handles that)
updateStrings = new String[span];
for ( int j = 0; j < span; j++ ) {
updateStrings[j] = tableUpdateNeeded[j] ?
generateUpdateString( propsToUpdate, j, oldFields, j == 0 && rowId != null ) :
null;
}
}
else {
// For the case of dynamic-update="false", or no snapshot, we use the static SQL
updateStrings = getUpdateStrings(
rowId != null,
hasUninitializedLazyProperties( object, session.getEntityMode() )
);
propsToUpdate = getPropertyUpdateability( object, session.getEntityMode() );
}
for ( int j = 0; j < span; j++ ) {
// Now update only the tables with dirty properties (and the table with the version number)
if ( tableUpdateNeeded[j] ) {
updateOrInsert(
id,
fields,
oldFields,
j == 0 ? rowId : null,
propsToUpdate,
j,
oldVersion,
object,
updateStrings[j],
session
);
}
}
}
public Serializable insert(Object[] fields, Object object, SessionImplementor session)
throws HibernateException {
final int span = getTableSpan();
final Serializable id;
if ( entityMetamodel.isDynamicInsert() ) {
// For the case of dynamic-insert="true", we need to generate the INSERT SQL
boolean[] notNull = getPropertiesToInsert( fields );
id = insert( fields, notNull, generateInsertString( true, notNull ), object, session );
for ( int j = 1; j < span; j++ ) {
insert( id, fields, notNull, j, generateInsertString( notNull, j ), object, session );
}
}
else {
// For the case of dynamic-insert="false", use the static SQL
id = insert( fields, getPropertyInsertability(), getSQLIdentityInsertString(), object, session );
for ( int j = 1; j < span; j++ ) {
insert( id, fields, getPropertyInsertability(), j, getSQLInsertStrings()[j], object, session );
}
}
return id;
}
public void insert(Serializable id, Object[] fields, Object object, SessionImplementor session)
throws HibernateException {
final int span = getTableSpan();
if ( entityMetamodel.isDynamicInsert() ) {
// For the case of dynamic-insert="true", we need to generate the INSERT SQL
boolean[] notNull = getPropertiesToInsert( fields );
for ( int j = 0; j < span; j++ ) {
insert( id, fields, notNull, j, generateInsertString( notNull, j ), object, session );
}
}
else {
// For the case of dynamic-insert="false", use the static SQL
for ( int j = 0; j < span; j++ ) {
insert( id, fields, getPropertyInsertability(), j, getSQLInsertStrings()[j], object, session );
}
}
}
/**
* Delete an object
*/
public void delete(Serializable id, Object version, Object object, SessionImplementor session)
throws HibernateException {
final int span = getTableSpan();
boolean isImpliedOptimisticLocking = !entityMetamodel.isVersioned() && entityMetamodel.getOptimisticLockMode() > Versioning.OPTIMISTIC_LOCK_VERSION;
Object[] loadedState = null;
if ( isImpliedOptimisticLocking ) {
// need to treat this as if it where optimistic-lock="all" (dirty does *not* make sense);
// first we need to locate the "loaded" state
//
// Note, it potentially could be a proxy, so perform the location the safe way...
EntityKey key = new EntityKey( id, this, session.getEntityMode() );
Object entity = session.getPersistenceContext().getEntity( key );
if ( entity != null ) {
EntityEntry entry = session.getPersistenceContext().getEntry( entity );
loadedState = entry.getLoadedState();
}
}
final String[] deleteStrings;
if ( isImpliedOptimisticLocking && loadedState != null ) {
// we need to utilize dynamic delete statements
deleteStrings = generateSQLDeletStrings( loadedState );
}
else {
// otherwise, utilize the static delete statements
deleteStrings = getSQLDeleteStrings();
}
for ( int j = span - 1; j >= 0; j-- ) {
delete( id, version, j, object, deleteStrings[j], session, loadedState );
}
}
private String[] generateSQLDeletStrings(Object[] loadedState) {
int span = getTableSpan();
String[] deleteStrings = new String[span];
for ( int j = span - 1; j >= 0; j-- ) {
Delete delete = new Delete()
.setTableName( getTableName( j ) )
.setPrimaryKeyColumnNames( getKeyColumns( j ) );
if ( getFactory().getSettings().isCommentsEnabled() ) {
delete.setComment( "delete " + getEntityName() + " [" + j + "]" );
}
boolean[] versionability = getPropertyVersionability();
Type[] types = getPropertyTypes();
for ( int i = 0; i < entityMetamodel.getPropertySpan(); i++ ) {
if ( isPropertyOfTable( i, j ) && versionability[i] ) {
// this property belongs to the table and it is not specifically
// excluded from optimistic locking by optimistic-lock="false"
String[] propertyColumnNames = getPropertyColumnNames( i );
boolean[] propertyNullness = types[i].toColumnNullness( loadedState[i], getFactory() );
for ( int k = 0; k < propertyNullness.length; k++ ) {
if ( propertyNullness[k] ) {
delete.addWhereFragment( propertyColumnNames[k] + " = ?" );
}
else {
delete.addWhereFragment( propertyColumnNames[k] + " is null" );
}
}
}
}
deleteStrings[j] = delete.toStatementString();
}
return deleteStrings;
}
protected void logStaticSQL() {
if ( log.isDebugEnabled() ) {
log.debug( "Static SQL for entity: " + getEntityName() );
if ( sqlLazySelectString != null ) {
log.debug( " Lazy select: " + sqlLazySelectString );
}
if ( sqlVersionSelectString != null ) {
log.debug( " Version select: " + sqlVersionSelectString );
}
if ( sqlSnapshotSelectString != null ) {
log.debug( " Snapshot select: " + sqlSnapshotSelectString );
}
for ( int j = 0; j < getTableSpan(); j++ ) {
log.debug( " Insert " + j + ": " + getSQLInsertStrings()[j] );
log.debug( " Update " + j + ": " + getSQLUpdateStrings()[j] );
log.debug( " Delete " + j + ": " + getSQLDeleteStrings()[j] );
}
if ( sqlIdentityInsertString != null ) {
log.debug( " Identity insert: " + sqlIdentityInsertString );
}
if ( sqlUpdateByRowIdString != null ) {
log.debug( " Update by row id (all fields): " + sqlUpdateByRowIdString );
}
if ( sqlLazyUpdateByRowIdString != null ) {
log.debug( " Update by row id (non-lazy fields): " + sqlLazyUpdateByRowIdString );
}
if ( sqlInsertGeneratedValuesSelectString != null ) {
log.debug( "Insert-generated property select: " + sqlInsertGeneratedValuesSelectString );
}
if ( sqlUpdateGeneratedValuesSelectString != null ) {
log.debug( "Update-generated property select: " + sqlUpdateGeneratedValuesSelectString );
}
}
}
public String filterFragment(String alias, Map enabledFilters) throws MappingException {
final StringBuffer sessionFilterFragment = new StringBuffer();
filterHelper.render( sessionFilterFragment, generateFilterConditionAlias( alias ), enabledFilters );
return sessionFilterFragment.append( filterFragment( alias ) ).toString();
}
public String generateFilterConditionAlias(String rootAlias) {
return rootAlias;
}
public String oneToManyFilterFragment(String alias) throws MappingException {
return "";
}
public String fromJoinFragment(String alias, boolean innerJoin, boolean includeSubclasses) {
return getSubclassTableSpan() == 1 ?
"" : //just a performance opt!
createJoin( alias, innerJoin, includeSubclasses ).toFromFragmentString();
}
public String whereJoinFragment(String alias, boolean innerJoin, boolean includeSubclasses) {
return getSubclassTableSpan() == 1 ?
"" : //just a performance opt!
createJoin( alias, innerJoin, includeSubclasses ).toWhereFragmentString();
}
protected boolean isSubclassTableLazy(int j) {
return false;
}
protected JoinFragment createJoin(String name, boolean innerJoin, boolean includeSubclasses) {
final String[] idCols = StringHelper.qualify( name, getIdentifierColumnNames() ); //all joins join to the pk of the driving table
final JoinFragment join = getFactory().getDialect().createOuterJoinFragment();
final int tableSpan = getSubclassTableSpan();
for ( int j = 1; j < tableSpan; j++ ) { //notice that we skip the first table; it is the driving table!
final boolean joinIsIncluded = isClassOrSuperclassTable( j ) ||
( includeSubclasses && !isSubclassTableSequentialSelect( j ) && !isSubclassTableLazy( j ) );
if ( joinIsIncluded ) {
join.addJoin( getSubclassTableName( j ),
generateTableAlias( name, j ),
idCols,
getSubclassTableKeyColumns( j ),
innerJoin && isClassOrSuperclassTable( j ) && !isInverseTable( j ) && !isNullableTable( j ) ?
JoinFragment.INNER_JOIN : //we can inner join to superclass tables (the row MUST be there)
JoinFragment.LEFT_OUTER_JOIN //we can never inner join to subclass tables
);
}
}
return join;
}
protected JoinFragment createJoin(int[] tableNumbers, String drivingAlias) {
final String[] keyCols = StringHelper.qualify( drivingAlias, getSubclassTableKeyColumns( tableNumbers[0] ) );
final JoinFragment jf = getFactory().getDialect().createOuterJoinFragment();
for ( int i = 1; i < tableNumbers.length; i++ ) { //skip the driving table
final int j = tableNumbers[i];
jf.addJoin( getSubclassTableName( j ),
generateTableAlias( getRootAlias(), j ),
keyCols,
getSubclassTableKeyColumns( j ),
isInverseSubclassTable( j ) || isNullableSubclassTable( j ) ?
JoinFragment.LEFT_OUTER_JOIN :
JoinFragment.INNER_JOIN );
}
return jf;
}
protected SelectFragment createSelect(final int[] subclassColumnNumbers,
final int[] subclassFormulaNumbers) {
SelectFragment selectFragment = new SelectFragment();
int[] columnTableNumbers = getSubclassColumnTableNumberClosure();
String[] columnAliases = getSubclassColumnAliasClosure();
String[] columns = getSubclassColumnClosure();
for ( int i = 0; i < subclassColumnNumbers.length; i++ ) {
if ( subclassColumnSelectableClosure[i] ) {
int columnNumber = subclassColumnNumbers[i];
final String subalias = generateTableAlias( getRootAlias(), columnTableNumbers[columnNumber] );
selectFragment.addColumn( subalias, columns[columnNumber], columnAliases[columnNumber] );
}
}
int[] formulaTableNumbers = getSubclassFormulaTableNumberClosure();
String[] formulaTemplates = getSubclassFormulaTemplateClosure();
String[] formulaAliases = getSubclassFormulaAliasClosure();
for ( int i = 0; i < subclassFormulaNumbers.length; i++ ) {
int formulaNumber = subclassFormulaNumbers[i];
final String subalias = generateTableAlias( getRootAlias(), formulaTableNumbers[formulaNumber] );
selectFragment.addFormula( subalias, formulaTemplates[formulaNumber], formulaAliases[formulaNumber] );
}
return selectFragment;
}
protected String createFrom(int tableNumber, String alias) {
return getSubclassTableName( tableNumber ) + ' ' + alias;
}
protected String createWhereByKey(int tableNumber, String alias) {
//TODO: move to .sql package, and refactor with similar things!
return StringHelper.join( "=? and ",
StringHelper.qualify( alias, getSubclassTableKeyColumns( tableNumber ) ) ) + "=?";
}
protected String renderSelect(
final int[] tableNumbers,
final int[] columnNumbers,
final int[] formulaNumbers) {
Arrays.sort( tableNumbers ); //get 'em in the right order (not that it really matters)
//render the where and from parts
int drivingTable = tableNumbers[0];
final String drivingAlias = generateTableAlias( getRootAlias(), drivingTable ); //we *could* regerate this inside each called method!
final String where = createWhereByKey( drivingTable, drivingAlias );
final String from = createFrom( drivingTable, drivingAlias );
//now render the joins
JoinFragment jf = createJoin( tableNumbers, drivingAlias );
//now render the select clause
SelectFragment selectFragment = createSelect( columnNumbers, formulaNumbers );
//now tie it all together
Select select = new Select( getFactory().getDialect() );
select.setSelectClause( selectFragment.toFragmentString().substring( 2 ) );
select.setFromClause( from );
select.setWhereClause( where );
select.setOuterJoins( jf.toFromFragmentString(), jf.toWhereFragmentString() );
if ( getFactory().getSettings().isCommentsEnabled() ) {
select.setComment( "sequential select " + getEntityName() );
}
return select.toStatementString();
}
private String getRootAlias() {
return StringHelper.generateAlias( getEntityName() );
}
protected void postConstruct(Mapping mapping) throws MappingException {
initPropertyPaths(mapping);
//insert/update/delete SQL
final int joinSpan = getTableSpan();
sqlDeleteStrings = new String[joinSpan];
sqlInsertStrings = new String[joinSpan];
sqlUpdateStrings = new String[joinSpan];
sqlLazyUpdateStrings = new String[joinSpan];
sqlUpdateByRowIdString = rowIdName == null ?
null :
generateUpdateString( getPropertyUpdateability(), 0, true );
sqlLazyUpdateByRowIdString = rowIdName == null ?
null :
generateUpdateString( getNonLazyPropertyUpdateability(), 0, true );
for ( int j = 0; j < joinSpan; j++ ) {
sqlInsertStrings[j] = customSQLInsert[j] == null ?
generateInsertString( getPropertyInsertability(), j ) :
customSQLInsert[j];
sqlUpdateStrings[j] = customSQLUpdate[j] == null ?
generateUpdateString( getPropertyUpdateability(), j, false ) :
customSQLUpdate[j];
sqlLazyUpdateStrings[j] = customSQLUpdate[j] == null ?
generateUpdateString( getNonLazyPropertyUpdateability(), j, false ) :
customSQLUpdate[j];
sqlDeleteStrings[j] = customSQLDelete[j] == null ?
generateDeleteString( j ) :
customSQLDelete[j];
}
tableHasColumns = new boolean[joinSpan];
for ( int j = 0; j < joinSpan; j++ ) {
tableHasColumns[j] = sqlUpdateStrings[j] != null;
}
//select SQL
sqlSnapshotSelectString = generateSnapshotSelectString();
sqlLazySelectString = generateLazySelectString();
sqlVersionSelectString = generateSelectVersionString();
if ( hasInsertGeneratedProperties() ) {
sqlInsertGeneratedValuesSelectString = generateInsertGeneratedValuesSelectString();
}
if ( hasUpdateGeneratedProperties() ) {
sqlUpdateGeneratedValuesSelectString = generateUpdateGeneratedValuesSelectString();
}
if ( isIdentifierAssignedByInsert() ) {
identityDelegate = ( ( PostInsertIdentifierGenerator ) getIdentifierGenerator() )
.getInsertGeneratedIdentifierDelegate( this, getFactory().getDialect(), useGetGeneratedKeys() );
sqlIdentityInsertString = customSQLInsert[0] == null
? generateIdentityInsertString( getPropertyInsertability() )
: customSQLInsert[0];
}
else {
sqlIdentityInsertString = null;
}
logStaticSQL();
}
public void postInstantiate() throws MappingException {
createLoaders();
createUniqueKeyLoaders();
createQueryLoader();
}
private void createLoaders() {
loaders.put( LockMode.NONE, createEntityLoader( LockMode.NONE ) );
UniqueEntityLoader readLoader = createEntityLoader( LockMode.READ );
loaders.put( LockMode.READ, readLoader );
//TODO: inexact, what we really need to know is: are any outer joins used?
boolean disableForUpdate = getSubclassTableSpan() > 1 &&
hasSubclasses() &&
!getFactory().getDialect().supportsOuterJoinForUpdate();
loaders.put(
LockMode.UPGRADE,
disableForUpdate ?
readLoader :
createEntityLoader( LockMode.UPGRADE )
);
loaders.put(
LockMode.UPGRADE_NOWAIT,
disableForUpdate ?
rea