DB2RDBMSAdapter.java
| Index Score | ||
|---|---|---|
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org.apache.slide.store.impl.rdbms |
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Jakarta Slide |
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 | |
|---|---|---|
| ELOC | Effective lines of code |  |
| SIZE | Size of the file in bytes | |
| LOGICAL_LINES | Number of statements | |
| EXITS | Procedure exits | |
| OPERANDS | Number of operands | |
| LOC | Lines of code | |
| PROGRAM_LENGTH | Halstead program length | |
| JAVA0263 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| OPERATORS | Number of operators | |
| JAVA0177 | JAVA0177 Variable declaration missing initializer | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| BLOCKS | Number of blocks | |
| RETURNS | Number of return points from functions | |
| JAVA0144 | JAVA0144 Line exceeds maximum M characters | |
| INTERFACE_COMPLEXITY | Interface complexity | |
| UNIQUE_OPERANDS | Number of unique operands | |
| PROGRAM_VOCAB | Halstead program vocabulary | |
| JAVA0123 | JAVA0123 Use all three components of for loop | |
| JAVA0150 | JAVA0150 java.lang.Error (or subclass) thrown | |
| LINES | Number of lines in the source file | |
| JAVA0076 | JAVA0076 Use of magic number | |
| EXEC_COMMENTS | Comments in executable code | |
| PROGRAM_VOLUME | Halstead program volume | |
| UNIQUE_OPERATORS | Number of unique operators | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0064 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0117 | JAVA0117 Missing javadoc: method 'method' | |
| LOOPS | Number of loops | |
| PARAMS | Number of formal parameter declarations | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| DECL_COMMENTS | Comments in declarations | |
| DOC_COMMENT | Number of javadoc comment lines | |
| COMMENTS | Comment lines | |
| LINE_COMMENT | Number of line comments | |
| NEST_DEPTH | Maximum nesting depth | |
| FUNCTIONS | Number of function declarations | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
* $Header$
* $Revision: 208612 $
* $Date: 2005-05-19 09:01:32 -0400 (Thu, 19 May 2005) $
*
* ====================================================================
*
* Copyright 2004 The Apache Software Foundation
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*
*/
package org.apache.slide.store.impl.rdbms;
import org.apache.slide.common.*;
import org.apache.slide.content.*;
import org.apache.slide.lock.NodeLock;
import org.apache.slide.security.NodePermission;
import org.apache.slide.store.ConcurrencyConflictError;
import org.apache.slide.structure.LinkNode;
import org.apache.slide.structure.ObjectNode;
import org.apache.slide.structure.ObjectNotFoundException;
import org.apache.slide.util.logger.Logger;
import java.sql.Connection;
import java.sql.PreparedStatement;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.util.Enumeration;
;
/**
* Adapter for DB2 8.
* @version $Revision: 208612 $
*/
public class DB2RDBMSAdapter extends CommonRDBMSAdapter
{
// The reason This adapter is needed is because DB2 does not like parameter markers in select columns. Ex from StandardRDBMSAdapter:
// "insert into BINDING (URI_ID, NAME, CHILD_UURI_ID) select ?, ?, URI_ID from URI where URI_STRING = ?"
public DB2RDBMSAdapter(Service service, Logger logger) {
super(service, logger);
bcompress = false;
}
protected boolean storeObject(Connection connection, Uri uri, ObjectNode object, boolean create)
throws ServiceAccessException {
String className = object.getClass().getName();
long uriid;
try {
PreparedStatement statement = null;
ResultSet res = null;
try {
uriid = assureUriId(connection, uri.toString());
statement =
connection.prepareStatement(
"select 1 from OBJECT o, URI u where o.URI_ID=u.URI_ID and u.URI_STRING=?");
statement.setString(1, uri.toString());
res = statement.executeQuery();
if (res.next()) {
if (create)
return false;
} else {
if (!create)
return false;
}
} finally {
close(statement, res);
}
if (create) {
// create object in database
try {
statement = connection.prepareStatement("insert into OBJECT (URI_ID,CLASS_NAME) values (?,?)");
statement.setLong(1, uriid);
statement.setString(2, className);
statement.executeUpdate();
} finally {
close(statement);
}
}
// update binding...
try {
clearBinding(connection, uri);
} catch (ObjectNotFoundException e1) {
// clear only if it existed
}
Enumeration bindings = object.enumerateBindings();
while (bindings.hasMoreElements()) {
ObjectNode.Binding binding = (ObjectNode.Binding) bindings.nextElement();
try {
long childID = getID(connection,binding.getUuri());
/*
* childID can be 0 if we are the root "/" and the child is a mount point for
* another store since it won't have been added to the URI table since its is
* the root of another store. So when there's no URI for the child just create
* a child URI for the binding table to refer to.
*/
if (childID == 0)
childID = assureUriId(connection, binding.getUuri());
statement =
connection.prepareStatement(
"insert into BINDING (URI_ID, NAME, CHILD_UURI_ID) values (?,?,?)");
statement.setLong(1, uriid);
statement.setString(2, binding.getName());
statement.setLong(3, childID);
statement.executeUpdate();
} finally {
close(statement);
}
}
Enumeration parentBindings = object.enumerateParentBindings();
while (parentBindings.hasMoreElements()) {
ObjectNode.ParentBinding parentBinding = (ObjectNode.ParentBinding) parentBindings.nextElement();
try {
long parentID = getID(connection,parentBinding.getUuri());
statement =
connection.prepareStatement(
"insert into PARENT_BINDING (URI_ID, NAME, PARENT_UURI_ID) values (?,?,?)");
statement.setLong(1, uriid);
statement.setString(2, parentBinding.getName());
statement.setLong(3, parentID);
statement.executeUpdate();
} finally {
close(statement);
}
}
if (object instanceof LinkNode) {
// update link target
try {
statement = connection.prepareStatement("delete from LINKS where URI_ID = ?");
statement.setLong(1, uriid);
statement.executeUpdate();
} finally {
close(statement);
}
try {
// First get the linked uri id
long linkedID = getID(connection,((LinkNode) object).getLinkedUri());
// now insert link data
statement =
connection.prepareStatement(
"insert into LINKS (URI_ID, LINK_TO_ID) values (?,?)");
statement.setLong(1, uriid);
statement.setLong(2, linkedID);
statement.executeUpdate();
} finally {
close(statement);
}
}
} catch (SQLException e) {
throw createException(e, uri.toString());
}
return true;
}
public void putLock(Connection connection, Uri uri, NodeLock lock) throws ServiceAccessException {
PreparedStatement statement = null;
try {
int inheritable = lock.isInheritable() ? 1 : 0;
int exclusive = lock.isExclusive() ? 1 : 0;
long lockid = assureUriId(connection, lock.getLockId());
long objectID = getID(connection, lock.getObjectUri());
long subjectID = getID(connection, lock.getSubjectUri());
long typeID = getID(connection, lock.getTypeUri());
statement =
connection.prepareStatement(
"insert into LOCKS (LOCK_ID,OBJECT_ID,SUBJECT_ID,TYPE_ID,EXPIRATION_DATE,IS_INHERITABLE,IS_EXCLUSIVE,OWNER) values (?,?,?,?,?,?,?,?)");
statement.setLong(1, lockid);
statement.setLong(2, objectID);
statement.setLong(3, subjectID);
statement.setLong(4, typeID);
statement.setLong(5, lock.getExpirationDate().getTime());
statement.setInt(6, inheritable);
statement.setInt(7, exclusive);
statement.setString(8, lock.getOwnerInfo());
statement.execute();
} catch (SQLException e) {
throw createException(e, uri.toString());
} finally {
close(statement);
}
}
public void grantPermission(Connection connection, Uri uri, NodePermission permission)
throws ServiceAccessException {
PreparedStatement statement = null;
ResultSet res = null;
int succession = 0;
try {
// FIXME: This might be useless if insert inserts nothing if insert...select works a i expect
// FIXME: What happens, if only revision number, inheritable or negative changes?
// FIXME
// revokePermission(connection, uri, permission);
try {
statement =
connection.prepareStatement(
"select max(p.SUCCESSION) from URI ou, PERMISSIONS p where p.OBJECT_ID = ou.URI_ID and ou.URI_STRING = ?");
statement.setString(1, uri.toString());
res = statement.executeQuery();
res.next();
succession = res.getInt(1) + 1;
} finally {
close(statement, res);
}
assureUriId(connection,permission.getSubjectUri());
assureUriId(connection,permission.getActionUri());
try {
int inheritable = permission.isInheritable() ? 1 : 0;
int negative = permission.isNegative() ? 1 : 0;
long objectID = getID(connection,uri.toString());
long subjectID = getID(connection,permission.getSubjectUri());
long actionID = getID(connection,permission.getActionUri());
statement =
connection.prepareStatement(
"insert into PERMISSIONS (OBJECT_ID,SUBJECT_ID,ACTION_ID,VERSION_NO, IS_INHERITABLE,IS_NEGATIVE,SUCCESSION) values (?,?,?,?,?,?,?)");
statement.setLong(1, objectID);
statement.setLong(2, subjectID);
statement.setLong(3, actionID);
statement.setString(4, getRevisionNumberAsString(permission.getRevisionNumber()));
statement.setInt(5, inheritable);
statement.setInt(6, negative);
statement.setInt(7, succession);
if (statement.executeUpdate() != 1) {
String msg = "Failed to insert permission ("
+ uri.toString()
+ "," + permission.getSubjectUri()
+ "," + permission.getActionUri()
+ ")";
getLogger().log(msg,LOG_CHANNEL,Logger.ERROR);
throw new ServiceAccessException(service, msg);
}
} finally {
close(statement);
}
} catch (SQLException e) {
throw createException(e, uri.toString());
}
}
public void createRevisionDescriptor(Connection connection, Uri uri, NodeRevisionDescriptor revisionDescriptor)
throws ServiceAccessException {
PreparedStatement statement = null;
try {
assureVersionInfo(connection, uri, revisionDescriptor);
for (Enumeration labels = revisionDescriptor.enumerateLabels(); labels.hasMoreElements();) {
long labelId = assureLabelId(connection, (String) labels.nextElement());
try {
long versionID = getVersionID(connection, uri.toString(), revisionDescriptor);
statement =
connection.prepareStatement(
"insert into VERSION_LABELS (VERSION_ID, LABEL_ID) values (?,?)");
statement.setLong(1, versionID);
statement.setLong(2, labelId);
statement.executeUpdate();
} finally {
close(statement);
}
}
for (Enumeration properties = revisionDescriptor.enumerateProperties(); properties.hasMoreElements();) {
try {
NodeProperty property = (NodeProperty) properties.nextElement();
long versionID = getVersionID(connection, uri.toString(), revisionDescriptor);
statement =
connection.prepareStatement(
"insert into PROPERTIES (VERSION_ID,PROPERTY_NAMESPACE,PROPERTY_NAME,PROPERTY_VALUE,PROPERTY_TYPE,IS_PROTECTED) values (?,?,?,?,?,?)");
int protectedProperty = property.isProtected() ? 1 : 0;
statement.setLong(1, versionID);
statement.setString(2, property.getNamespace());
statement.setString(3, property.getName());
statement.setString(4, property.getValue().toString());
statement.setString(5, property.getType());
statement.setInt(6, protectedProperty);
statement.executeUpdate();
} finally {
close(statement);
}
}
} catch (SQLException e) {
throw createException(e, uri.toString());
}
}
public void createRevisionDescriptors(Connection connection, Uri uri, NodeRevisionDescriptors revisionDescriptors)
throws ServiceAccessException {
PreparedStatement statement = null;
ResultSet res = null;
try {
int isVersioned = 0;
if (revisionDescriptors.isVersioned())
isVersioned = 1;
boolean revisionExists;
try {
statement =
connection.prepareStatement(
"SELECT u.URI_ID FROM VERSION v, URI u WHERE v.URI_ID = u.URI_ID and u.URI_STRING = ?");
statement.setString(1, uri.toString());
res = statement.executeQuery();
revisionExists = res.next();
} finally {
close(statement, res);
}
if (!revisionExists) {
try {
long id = getID(connection,uri.toString());
statement =
connection.prepareStatement(
"insert into VERSION (URI_ID, IS_VERSIONED) values (?,?)");
statement.setLong(1, id);
statement.setInt(2, isVersioned);
statement.executeUpdate();
} finally {
close(statement, res);
}
}
boolean versionHistoryExists = false;
if (revisionDescriptors.getLatestRevision() != null) {
try {
statement =
connection.prepareStatement(
"SELECT 1 FROM VERSION_HISTORY vh, URI u WHERE vh.URI_ID = u.URI_ID and u.URI_STRING = ? and REVISION_NO = ?");
statement.setString(1, uri.toString());
statement.setString(2, revisionDescriptors.getLatestRevision().toString());
res = statement.executeQuery();
versionHistoryExists = res.next();
} finally {
close(statement, res);
}
}
if (!versionHistoryExists && revisionDescriptors.getLatestRevision() != null) {
try {
long[] ids = getBranchIdAndUriID(connection,uri.toString());
long uriID=ids[0];
long branchID=ids[1];
statement =
connection.prepareStatement(
"insert into VERSION_HISTORY (URI_ID, BRANCH_ID, REVISION_NO) values(?,?,?)");
statement.setLong(1, uriID);
statement.setLong(2, branchID);
statement.setString(3, getRevisionNumberAsString(revisionDescriptors.getLatestRevision()));
// FIXME: Create new revisions on the main branch???
statement.executeUpdate();
} finally {
close(statement, res);
}
}
// Add revision successors
Enumeration revisionNumbers = revisionDescriptors.enumerateRevisionNumbers();
while (revisionNumbers.hasMoreElements()) {
NodeRevisionNumber nodeRevisionNumber = (NodeRevisionNumber) revisionNumbers.nextElement();
Enumeration successors = revisionDescriptors.getSuccessors(nodeRevisionNumber);
while (successors.hasMoreElements())
{
try {
NodeRevisionNumber successor = (NodeRevisionNumber) successors.nextElement();
statement =
connection.prepareStatement(
"insert into VERSION_PREDS (VERSION_ID, PREDECESSOR_ID) " +
" select vr.VERSION_ID, suc.VERSION_ID" +
" FROM URI uri, VERSION_HISTORY vr, VERSION_HISTORY suc " +
" where vr.URI_ID = uri.URI_ID " +
" and suc.URI_ID = uri.URI_ID " +
" and uri.URI_STRING = ? " +
" and vr.REVISION_NO = ? " +
" and suc.REVISION_NO = ? " );
statement.setString(1, uri.toString());
statement.setString(2, nodeRevisionNumber.toString());
statement.setString(3, successor.toString());
statement.executeUpdate();
} finally {
close(statement);
}
}
}
getLogger().log(
revisionDescriptors.getOriginalUri() + revisionDescriptors.getInitialRevision(),
LOG_CHANNEL,
Logger.INFO);
} catch (SQLException e) {
throw createException(e, uri.toString());
}
}
protected void assureVersionInfo(Connection connection, Uri uri, NodeRevisionDescriptor revisionDescriptor)
throws SQLException {
PreparedStatement statement = null;
ResultSet res = null;
boolean revisionExists;
try {
statement =
connection.prepareStatement(
"select 1 from VERSION v, URI u where v.URI_ID = u.URI_ID and u.URI_STRING = ?");
statement.setString(1, uri.toString());
res = statement.executeQuery();
revisionExists = res.next();
} finally {
close(statement, res);
}
// FIXME: Is it true, that the default for IS_VERSIONED is 0 ??
if (!revisionExists) {
try {
long id = getID(connection,uri.toString());
statement =
connection.prepareStatement(
"insert into VERSION (URI_ID, IS_VERSIONED) values (?,?)");
statement.setLong(1,id);
statement.setInt(2, 0);
statement.executeUpdate();
} finally {
close(statement);
}
}
boolean versionHistoryExists;
try {
statement =
connection.prepareStatement(
"select 1 from VERSION_HISTORY vh, URI u where vh.URI_ID = u.URI_ID and u.URI_STRING = ? and REVISION_NO = ?");
statement.setString(1, uri.toString());
statement.setString(2, revisionDescriptor.getRevisionNumber().toString());
res = statement.executeQuery();
versionHistoryExists = res.next();
} finally {
close(statement, res);
}
if (!versionHistoryExists) {
long branchId = assureBranchId(connection, revisionDescriptor.getBranchName());
try {
long id = getID(connection,uri.toString());
statement =
connection.prepareStatement(
"insert into VERSION_HISTORY (URI_ID, BRANCH_ID, REVISION_NO) values (?,?,?)");
statement.setLong(1, id);
statement.setLong(2, branchId);
statement.setString(3, getRevisionNumberAsString(revisionDescriptor.getRevisionNumber()));
statement.executeUpdate();
} finally {
close(statement);
}
}
}
private long getID(Connection connection, String uriString) throws SQLException
{
PreparedStatement statement = null;
ResultSet rs = null;
long uriID=0l;
try
{
statement =
connection.prepareStatement(
"select URI_ID from URI where URI_STRING = ?");
statement.setString(1,uriString);
rs = statement.executeQuery();
if(rs.next())
uriID= rs.getLong(1);
}
finally
{
close(statement,rs);
}
return uriID;
}
private long[] getBranchIdAndUriID(Connection connection, String uriString) throws SQLException
{
PreparedStatement statement = null;
ResultSet res = null;
long[] ids = new long[2];
try
{
statement =
connection.prepareStatement(
"select u.URI_ID, b.BRANCH_ID from URI u, BRANCH b where u.URI_STRING = ? and b.BRANCH_STRING = ?");
statement.setString(1, uriString);
statement.setString(2,NodeRevisionDescriptors.MAIN_BRANCH);
res = statement.executeQuery();
if(res.next())
{
ids[0]=res.getLong(1);
ids[1] = res.getLong(2);
}
}
finally
{
close(statement,res);
}
return ids;
}
protected String convertRevisionNumberToComparable(String revisioNumber) {
return revisioNumber;
}
protected ServiceAccessException createException(SQLException e, String uri) {
switch (e.getErrorCode()) {
case 911 : // thread was deadlock victim
getLogger().log(e.getErrorCode() + ": Deadlock resolved on " + uri, LOG_CHANNEL, Logger.WARNING);
// return new ServiceAccessException(this, new ConflictException(uri));
throw new ConcurrencyConflictError(e, uri);
default :
return super.createException(e, uri);
}
}
}
The table below shows all metrics for DB2RDBMSAdapter.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 83.00 | Number of blocks | |
| BLOCK_COMMENT | 28.00 | Number of block comment lines | |
| COMMENTS | 48.00 | Comment lines | |
| COMMENT_DENSITY | 0.13 | Comment density | |
| COMPARISONS | 26.00 | Number of comparison operators | |
| CYCLOMATIC | 46.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 4.00 | Comments in declarations | |
| DOC_COMMENT | 4.00 | Number of javadoc comment lines | |
| ELOC | 384.00 | Effective lines of code | |
| EXEC_COMMENTS | 12.00 | Comments in executable code | |
| EXITS | 66.00 | Procedure exits | |
| FUNCTIONS | 11.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 93.51 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 82.00 | Interface complexity | |
| JAVA0001 | 0.00 | JAVA0001 Package name does not contain only lower case letters | |
| JAVA0002 | 0.00 | JAVA0002 Package name does not begin with a top level domain name or country code | |
| JAVA0003 | 0.00 | JAVA0003 Minimize use of on-demand (.*) imports | |
| JAVA0004 | 0.00 | JAVA0004 Unnecessary import from java.lang | |
| JAVA0005 | 1.00 | JAVA0005 Imports not in specified order | |
| JAVA0006 | 0.00 | JAVA0006 Empty finally block | |
| JAVA0007 | 0.00 | JAVA0007 Should not declare public field | |
| JAVA0008 | 0.00 | JAVA0008 Empty catch block | |
| JAVA0009 | 0.00 | JAVA0009 Protected member in final class | |
| JAVA0010 | 0.00 | JAVA0010 Non-instantiable class does not contain a non-private static member | |
| JAVA0011 | 0.00 | JAVA0011 Abstract class does not contain an abstract method | |
| JAVA0012 | 0.00 | JAVA0012 Non-constructor method with same name as declaring class | |
| JAVA0013 | 0.00 | JAVA0013 Non-blank final field is not static | |
| JAVA0014 | 0.00 | JAVA0014 Class with only static members has non-private constructor | |
| JAVA0015 | 0.00 | JAVA0015 Package class contains public nested type | |
| JAVA0016 | 0.00 | JAVA0016 Abstract class contains public constructor | |
| JAVA0017 | 0.00 | JAVA0017 Class name does not have required form | |
| JAVA0018 | 0.00 | JAVA0018 Method name does not have required form | |
| JAVA0019 | 0.00 | JAVA0019 Interface name does not have required form | |
| JAVA0020 | 0.00 | JAVA0020 Field name does not have required form | |
| JAVA0021 | 0.00 | JAVA0021 Interface method name does not have required form | |
| JAVA0022 | 0.00 | JAVA0022 Static final field name does not have required form | |
| JAVA0023 | 0.00 | JAVA0023 Empty finalize method | |
| JAVA0024 | 0.00 | JAVA0024 Empty class | |
| JAVA0025 | 0.00 | JAVA0025 Method override is empty | |
| JAVA0026 | 0.00 | JAVA0026 Finalize method with parameters | |
| JAVA0029 | 0.00 | JAVA0029 Private method not used | |
| JAVA0030 | 0.00 | JAVA0030 Private field not used | |
| JAVA0031 | 0.00 | JAVA0031 Case statement not properly closed | |
| JAVA0032 | 0.00 | JAVA0032 Switch statement missing default | |
| JAVA0033 | 0.00 | JAVA0033 default: not last case in switch statement | |
| JAVA0034 | 5.00 | JAVA0034 Missing braces in if statement | |
| JAVA0035 | 0.00 | JAVA0035 Missing braces in for statement | |
| JAVA0036 | 0.00 | JAVA0036 Missing braces in while statement | |
| JAVA0038 | 0.00 | JAVA0038 Non-case label in switch statement | |
| JAVA0039 | 0.00 | JAVA0039 Break statement with label | |
| JAVA0040 | 0.00 | JAVA0040 Switch statement contains N cases (maximum: M) | |
| JAVA0041 | 0.00 | JAVA0041 Nested synchronized block | |
| JAVA0042 | 0.00 | JAVA0042 Empty synchronized statement | |
| JAVA0043 | 0.00 | JAVA0043 Inner class does not use outer class | |
| JAVA0044 | 0.00 | JAVA0044 Serializable class with no instance variables | |
| JAVA0045 | 0.00 | JAVA0045 Serializable class with only transient fields | |
| JAVA0046 | 0.00 | JAVA0046 Name of class not derived from Exception ends with 'Exception' | |
| JAVA0047 | 0.00 | JAVA0047 Serializable class derives from invalid base class | |
| JAVA0048 | 0.00 | JAVA0048 Name of class derived from Exception does not end with 'Exception' | |
| JAVA0049 | 0.00 | JAVA0049 Nested block at depth N (maximum: M) | |
| JAVA0050 | 0.00 | JAVA0050 Class derives from java.lang.Error | |
| JAVA0051 | 0.00 | JAVA0051 Class derives from java.lang.RuntimeException | |
| JAVA0052 | 0.00 | JAVA0052 Class derives from java.lang.Throwable | |
| JAVA0053 | 0.00 | JAVA0053 Unused label | |
| JAVA0054 | 1.00 | JAVA0054 Inheritance depth N exceeds maximum M | |
| JAVA0055 | 0.00 | JAVA0055 Class should be interface | |
| JAVA0056 | 0.00 | JAVA0056 Unnecessary abstract modifier for interface or annotation | |
| JAVA0057 | 0.00 | JAVA0057 Unnecessary default constructor | |
| JAVA0058 | 0.00 | JAVA0058 Constructor calls super() | |
| JAVA0059 | 0.00 | JAVA0059 Method override only calls super() | |
| JAVA0061 | 0.00 | JAVA0061 Inaccessible member in anonymous class | |
| JAVA0062 | 0.00 | JAVA0062 Public class missing public member or protected constructor | |
| JAVA0063 | 0.00 | JAVA0063 Identifier name should not contain '$' | |
| JAVA0064 | 2.00 | JAVA0064 N variations of identifier name (maximum: M) | |
| JAVA0065 | 0.00 | JAVA0065 Unnecessary final modifier for method in final class | |
| JAVA0066 | 0.00 | JAVA0066 Unnecessary modifier for interface nested type | |
| JAVA0067 | 0.00 | JAVA0067 Array descriptor on identifier name | |
| JAVA0068 | 0.00 | JAVA0068 Modifiers not declared in recommended order | |
| JAVA0071 | 0.00 | JAVA0071 Strings compared with == | |
| JAVA0073 | 0.00 | JAVA0073 Integer division in floating-point context | |
| JAVA0074 | 0.00 | JAVA0074 Use of Object.notify() | |
| JAVA0075 | 0.00 | JAVA0075 Method parameter hides field | |
| JAVA0076 | 5.00 | JAVA0076 Use of magic number | |
| JAVA0077 | 0.00 | JAVA0077 Private field not used in declaring class | |
| JAVA0078 | 0.00 | JAVA0078 Floating point values compared with == | |
| JAVA0079 | 0.00 | JAVA0079 Use of instance to reference static member | |
| JAVA0080 | 0.00 | JAVA0080 Import declaration not used | |
| JAVA0081 | 0.00 | JAVA0081 Boolean literal in comparison | |
| JAVA0082 | 0.00 | JAVA0082 Unnecessary widening cast | |
| JAVA0083 | 0.00 | JAVA0083 Unnecessary instanceof test | |
| JAVA0084 | 0.00 | JAVA0084 Should use compound assignment operator | |
| JAVA0085 | 0.00 | JAVA0085 Use of sun.* class | |
| JAVA0087 | 0.00 | JAVA0087 Use of Thread.sleep() | |
| JAVA0089 | 0.00 | JAVA0089 Use of restricted package | |
| JAVA0092 | 0.00 | JAVA0092 Use of restricted type | |
| JAVA0093 | 0.00 | JAVA0093 Redundant assignment | |
| JAVA0094 | 0.00 | JAVA0094 Field hides a superclass field | |
| JAVA0095 | 0.00 | JAVA0095 Uninitialized private field | |
| JAVA0096 | 0.00 | JAVA0096 Field in nested class hides outer field | |
| JAVA0098 | 0.00 | JAVA0098 Minimize use of implicit field initializers | |
| JAVA0100 | 0.00 | JAVA0100 Class contains N non-final fields (maximum: M) | |
| JAVA0101 | 0.00 | JAVA0101 Unnecessary modifier for field in interface | |
| JAVA0102 | 0.00 | JAVA0102 Last statement in finalize() not super.finalize() | |
| JAVA0103 | 0.00 | JAVA0103 Explicit call to finalize() | |
| JAVA0104 | 0.00 | JAVA0104 finalize() only calls super.finalize() | |
| JAVA0105 | 0.00 | JAVA0105 Duplicate import declaration | |
| JAVA0106 | 0.00 | JAVA0106 Unnecessary import from current package | |
| JAVA0108 | 0.00 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0109 | 0.00 | JAVA0109 Incorrect javadoc: no parameter 'parameter' | |
| JAVA0110 | 0.00 | JAVA0110 Incorrect javadoc: no @return tag | |
| JAVA0111 | 0.00 | JAVA0111 Incorrect javadoc: @return tag for void method | |
| JAVA0112 | 0.00 | JAVA0112 Incorrect javadoc: no exception 'exception' in throws | |
| JAVA0113 | 1.00 | JAVA0113 Incorrect javadoc: no @author tag | |
| JAVA0114 | 0.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 0.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 1.00 | JAVA0117 Missing javadoc: method 'method' | |
| JAVA0118 | 0.00 | JAVA0118 Missing javadoc: type 'type' | |
| JAVA0119 | 0.00 | JAVA0119 Control variable changed within body of for loop | |
| JAVA0123 | 2.00 | JAVA0123 Use all three components of for loop | |
| JAVA0125 | 0.00 | JAVA0125 Continue statement with label | |
| JAVA0126 | 0.00 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0128 | 0.00 | JAVA0128 Public constructor in non-public class | |
| JAVA0130 | 0.00 | JAVA0130 Non-static method does not use instance fields | |
| JAVA0131 | 0.00 | JAVA0131 Compatible method does not override base | |
| JAVA0132 | 0.00 | JAVA0132 Method overload with compatible signature | |
| JAVA0133 | 0.00 | JAVA0133 Non-synchronized method overrides synchronized method | |
| JAVA0135 | 0.00 | JAVA0135 Only one of Object.equals and Object.hashCode defined: missing 'method' | |
| JAVA0136 | 0.00 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0137 | 0.00 | JAVA0137 Non-abstract class missing constructor | |
| JAVA0138 | 0.00 | JAVA0138 N parameters defined for method (maximum: M) | |
| JAVA0139 | 0.00 | JAVA0139 Definition of main other than public static void main(java.lang.String[]) | |
| JAVA0141 | 0.00 | JAVA0141 Unnecessary modifier for method in interface | |
| JAVA0143 | 0.00 | JAVA0143 Synchronized method | |
| JAVA0144 | 4.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 141.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 1.00 | JAVA0150 java.lang.Error (or subclass) thrown | |
| JAVA0153 | 0.00 | JAVA0153 Inefficient conversion of integer to string | |
| JAVA0159 | 0.00 | JAVA0159 Inefficient conversion of string to integer | |
| JAVA0160 | 0.00 | JAVA0160 Method does not throw specified exception | |
| JAVA0161 | 0.00 | JAVA0161 Conditional wait() not in loop | |
| JAVA0163 | 0.00 | JAVA0163 Empty statement | |
| JAVA0165 | 0.00 | JAVA0165 Conflicting return statement in finally block | |
| JAVA0166 | 0.00 | JAVA0166 Generic exception caught | |
| JAVA0167 | 0.00 | JAVA0167 ThreadDeath not rethrown | |
| JAVA0169 | 0.00 | JAVA0169 Unnecessary catch block: exception 'exception' | |
| JAVA0170 | 0.00 | JAVA0170 Caught exception not derived from java.lang.Exception | |
| JAVA0171 | 0.00 | JAVA0171 Unused local variable | |
| JAVA0173 | 0.00 | JAVA0173 Unused method parameter | |
| JAVA0174 | 0.00 | JAVA0174 Assigned local variable never used | |
| JAVA0175 | 0.00 | JAVA0175 Successive assignment to variable | |
| JAVA0176 | 0.00 | JAVA0176 Local variable name does not have required form | |
| JAVA0177 | 4.00 | JAVA0177 Variable declaration missing initializer | |
| JAVA0179 | 0.00 | JAVA0179 Local variable hides visible field | |
| JAVA0233 | 0.00 | JAVA0233 Definition of serialVersionUID other than 'private static final long serialVersionUID' | |
| JAVA0234 | 0.00 | JAVA0234 Class is Serializable but does not define serialVersionUID | |
| JAVA0235 | 0.00 | JAVA0235 Class defines serialVersionUID but does not implement Serializable | |
| JAVA0236 | 0.00 | JAVA0236 Attempt to clone an object which does not implement Cloneable | |
| JAVA0237 | 0.00 | JAVA0237 Class implements Cloneable but does not have public clone method | |
| JAVA0238 | 0.00 | JAVA0238 Clone method does not call super.clone() | |
| JAVA0239 | 0.00 | JAVA0239 Class declares 'readObject' or 'writeObject' but does not implement Serializable | |
| JAVA0240 | 0.00 | JAVA0240 Serializable class which declares readObject or writeObject but not both | |
| JAVA0241 | 0.00 | JAVA0241 'readObject' or 'writeObject' should be declared private in Serializable class | |
| JAVA0242 | 0.00 | JAVA0242 Transient field in non-Serializable class | |
| JAVA0243 | 0.00 | JAVA0243 'readResolve' or 'writeReplace' should be declared private or protected | |
| JAVA0244 | 0.00 | JAVA0244 Field or method name in subclass differs only by case from inherited field or method | |
| JAVA0245 | 0.00 | JAVA0245 JUnit TestCase with non-trivial constructor | |
| JAVA0246 | 0.00 | JAVA0246 JUnit assertXXX statement missing message parameter | |
| JAVA0247 | 0.00 | JAVA0247 JUnit 'setUp()' and 'tearDown()' should call super method | |
| JAVA0248 | 0.00 | JAVA0248 JUnit method 'setUp' or 'tearDown' with incorrect signature | |
| JAVA0249 | 0.00 | JAVA0249 JUnit TestCase 'suite()' should be declared static | |
| JAVA0250 | 0.00 | JAVA0250 JUnit TestCase declares testXXX method with incorrect signature | |
| JAVA0251 | 0.00 | JAVA0251 Use '%n' for line breaks in printf/format for platform independence | |
| JAVA0252 | 0.00 | JAVA0252 'enum' is a Java 1.5 reserved word | |
| JAVA0253 | 0.00 | JAVA0253 Not all enum constants consumed in switch statement | |
| JAVA0254 | 0.00 | JAVA0254 Use enhanced for loop construct instead of Iterator | |
| JAVA0255 | 0.00 | JAVA0255 Result of method invocation not used | |
| JAVA0256 | 0.00 | JAVA0256 Assignment of external collection/array to field | |
| JAVA0257 | 0.00 | JAVA0257 Use of 'Constant Interface' anti-pattern | |
| JAVA0258 | 0.00 | JAVA0258 Implement Iterable for foreach compatibility | |
| JAVA0259 | 0.00 | JAVA0259 Return of collection/array field | |
| JAVA0260 | 0.00 | JAVA0260 Use 'enum' instead of Enumerated Type pattern | |
| JAVA0261 | 0.00 | JAVA0261 Use specialized Enum collection types | |
| JAVA0262 | 0.00 | JAVA0262 Use of char in integer context | |
| JAVA0263 | 1.00 | JAVA0263 Long literal ends with 'l' instead of 'L' | |
| JAVA0264 | 0.00 | JAVA0264 Integer math in long context - check for overflow | |
| JAVA0265 | 0.00 | JAVA0265 Use of Throwable.printStackTrace() | |
| JAVA0266 | 0.00 | JAVA0266 Use of System.out | |
| JAVA0267 | 0.00 | JAVA0267 Use of System.err | |
| JAVA0269 | 0.00 | JAVA0269 Contents of StringBuffer never used | |
| JAVA0270 | 0.00 | JAVA0270 Use Java 5.0 enhanced for loop construct to iterate over all elements in an array | |
| JAVA0271 | 0.00 | JAVA0271 Minimize use of on-demand (.*) static imports | |
| JAVA0272 | 0.00 | JAVA0272 Thread.run() called | |
| JAVA0273 | 0.00 | JAVA0273 Non-final derivative of Thread calls start() in constructor | |
| JAVA0274 | 0.00 | JAVA0274 Serializable class has a synchronized readObject() | |
| JAVA0275 | 0.00 | JAVA0275 Serializable class has a synchronized writeObject() and no other synchronized methods | |
| JAVA0276 | 0.00 | JAVA0276 Unnecessary use of String constructor | |
| JAVA0277 | 0.00 | JAVA0277 Iterator.next() implementation does not throw NoSuchElementException | |
| JAVA0278 | 0.00 | JAVA0278 Unnecessary use of Boolean constructor | |
| JAVA0279 | 0.00 | JAVA0279 Serialization method readObject or readObjectNoData calls an overridable method | |
| JAVA0280 | 0.00 | JAVA0280 IllegalMonitorStateException caught | |
| JAVA0281 | 0.00 | JAVA0281 Iterator.next() not called in loop | |
| JAVA0282 | 0.00 | JAVA0282 Call to Iterator.next() in loop which does not test Iterator.hasNext() | |
| JAVA0283 | 0.00 | JAVA0283 Control variable not updated in loop body | |
| JAVA0284 | 0.00 | JAVA0284 Explicit garbage collection | |
| JAVA0285 | 0.00 | JAVA0285 Dereference of potentially null variable | |
| JAVA0286 | 0.00 | JAVA0286 Dereference of null variable | |
| JAVA0287 | 0.00 | JAVA0287 Unnecessary null check | |
| JAVA0288 | 0.00 | JAVA0288 Inconsistent null check | |
| LINES | 564.00 | Number of lines in the source file | |
| LINE_COMMENT | 16.00 | Number of line comments | |
| LOC | 451.00 | Lines of code | |
| LOGICAL_LINES | 237.00 | Number of statements | |
| LOOPS | 6.00 | Number of loops | |
| NEST_DEPTH | 5.00 | Maximum nesting depth | |
| OPERANDS | 1013.00 | Number of operands | |
| OPERATORS | 1781.00 | Number of operators | |
| PARAMS | 28.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 2794.00 | Halstead program length | |
| PROGRAM_VOCAB | 308.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 54.00 | Number of return points from functions | |
| SIZE | 22327.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 260.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 48.00 | Number of unique operators | |
| WHITESPACE | 65.00 | Number of whitespace lines | |