BrokeredStatement.java
| Index Score | ||
|---|---|---|
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org.apache.derby.iapi.jdbc |
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Apache Derby |
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 | |
|---|---|---|
| RETURNS | Number of return points from functions |  |
| INTERFACE_COMPLEXITY | Interface complexity | |
| DOC_COMMENT | Number of javadoc comment lines | |
| COMMENTS | Comment lines | |
| FUNCTIONS | Number of function declarations | |
| DECL_COMMENTS | Comments in declarations | |
| JAVA0115 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| SIZE | Size of the file in bytes | |
| JAVA0110 | JAVA0110 Incorrect javadoc: no @return tag | |
| EXITS | Procedure exits | |
| LINES | Number of lines in the source file | |
| JAVA0080 | JAVA0080 Import declaration not used | |
| PARAMS | Number of formal parameter declarations | |
| PROGRAM_VOLUME | Halstead program volume | |
| JAVA0136 | JAVA0136 N methods defined in class (maximum: M) | |
| JAVA0126 | JAVA0126 Method declares unchecked exception in throws | |
| JAVA0034 | JAVA0034 Missing braces in if statement | |
| COMPARISONS | Number of comparison operators | |
| EXEC_COMMENTS | Comments in executable code | |
| LOOPS | Number of loops | |
| JAVA0108 | JAVA0108 Incorrect javadoc: no @param tag for 'parameter' | |
| JAVA0145 | JAVA0145 Tab character used in source file | |
/*
Derby - Class org.apache.derby.iapi.jdbc.BrokeredStatement
Licensed to the Apache Software Foundation (ASF) under one or more
contributor license agreements. See the NOTICE file distributed with
this work for additional information regarding copyright ownership.
The ASF licenses this file to you 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.derby.iapi.jdbc;
import org.apache.derby.iapi.reference.JDBC30Translation;
import org.apache.derby.iapi.reference.SQLState;
import org.apache.derby.iapi.error.StandardException;
import org.apache.derby.iapi.error.PublicAPI;
import org.apache.derby.iapi.services.info.JVMInfo;
import org.apache.derby.impl.jdbc.Util;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.SQLWarning;
import java.sql.Statement;
import java.lang.reflect.*;
/**
A Statement implementation that forwards all of its requests to an underlying Statement.
*/
public class BrokeredStatement implements EngineStatement
{
/**
My control. Use the controlCheck() method to obtain the control
when calling a check method. This will result in the correct exception
being thrown if the statement is already closed.
*/
final BrokeredStatementControl control;
final int resultSetType;
final int resultSetConcurrency;
final int resultSetHoldability;
/**
My state
*/
private String cursorName;
private Boolean escapeProcessing;
BrokeredStatement(BrokeredStatementControl control) throws SQLException
{
this.control = control;
// save the state of the Statement while we are pretty much guaranteed the
// underlying statement is open.
resultSetType = getResultSetType();
resultSetConcurrency = getResultSetConcurrency();
resultSetHoldability = getResultSetHoldability();
}
public final void addBatch(String sql)
throws SQLException
{
getStatement().addBatch( sql);
}
public final void clearBatch()
throws SQLException
{
getStatement().clearBatch();
}
public final int[] executeBatch()
throws SQLException
{
return getStatement().executeBatch();
}
public final void cancel()
throws SQLException
{
getStatement().cancel();
}
public final boolean execute(String sql) throws SQLException
{
return getStatement().execute(sql);
}
public final ResultSet executeQuery(String sql) throws SQLException
{
return wrapResultSet(getStatement().executeQuery(sql));
}
public final int executeUpdate(String sql) throws SQLException
{
return getStatement().executeUpdate(sql);
}
/**
* In many cases, it is desirable to immediately release a
* Statements's database and JDBC resources instead of waiting for
* this to happen when it is automatically closed; the close
* method provides this immediate release.
*
* <P><B>Note:</B> A Statement is automatically closed when it is
* garbage collected. When a Statement is closed its current
* ResultSet, if one exists, is also closed.
* @exception SQLException thrown on failure.
*/
public final void close() throws SQLException
{
getStatement().close();
}
public final Connection getConnection()
throws SQLException
{
return getStatement().getConnection();
}
public final int getFetchDirection()
throws SQLException
{
return getStatement().getFetchDirection();
}
public final int getFetchSize()
throws SQLException
{
return getStatement().getFetchSize();
}
public final int getMaxFieldSize()
throws SQLException
{
return getStatement().getMaxFieldSize();
}
public final int getMaxRows()
throws SQLException
{
return getStatement().getMaxRows();
}
public final int getResultSetConcurrency()
throws SQLException
{
return getStatement().getResultSetConcurrency();
}
/**
* The maxFieldSize limit (in bytes) is set to limit the size of
* data that can be returned for any column value; it only applies
* to BINARY, VARBINARY, LONGVARBINARY, CHAR, VARCHAR, and
* LONGVARCHAR fields. If the limit is exceeded, the excess data
* is silently discarded.
*
* @param max the new max column size limit; zero means unlimited
* @exception SQLException thrown on failure.
*/
public final void setMaxFieldSize(int max) throws SQLException
{
getStatement().setMaxFieldSize(max);
}
/**
* The maxRows limit is set to limit the number of rows that any
* ResultSet can contain. If the limit is exceeded, the excess
* rows are silently dropped.
*
* @param max the new max rows limit; zero means unlimited
* @exception SQLException thrown on failure.
*/
public final void setMaxRows(int max) throws SQLException
{
getStatement().setMaxRows( max);
}
/**
* If escape scanning is on (the default) the driver will do
* escape substitution before sending the SQL to the database.
*
* @param enable true to enable; false to disable
* @exception SQLException thrown on failure.
*/
public final void setEscapeProcessing(boolean enable) throws SQLException
{
getStatement().setEscapeProcessing( enable);
escapeProcessing = enable ? Boolean.TRUE : Boolean.FALSE;
}
/**
* The first warning reported by calls on this Statement is
* returned. A Statment's execute methods clear its SQLWarning
* chain. Subsequent Statement warnings will be chained to this
* SQLWarning.
*
* <p>The warning chain is automatically cleared each time
* a statement is (re)executed.
*
* <P><B>Note:</B> If you are processing a ResultSet then any
* warnings associated with ResultSet reads will be chained on the
* ResultSet object.
*
* @return the first SQLWarning or null
* @exception SQLException thrown on failure.
*/
public final SQLWarning getWarnings() throws SQLException
{
return getStatement().getWarnings();
}
/**
* After this call getWarnings returns null until a new warning is
* reported for this Statement.
* @exception SQLException thrown on failure.
*/
public final void clearWarnings() throws SQLException
{
getStatement().clearWarnings();
}
/**
* setCursorName defines the SQL cursor name that will be used by
* subsequent Statement execute methods. This name can then be
* used in SQL positioned update/delete statements to identify the
* current row in the ResultSet generated by this getStatement(). If
* the database doesn't support positioned update/delete, this
* method is a noop.
*
* <P><B>Note:</B> By definition, positioned update/delete
* execution must be done by a different Statement than the one
* which generated the ResultSet being used for positioning. Also,
* cursor names must be unique within a Connection.
*
* @param name the new cursor name.
*/
public final void setCursorName(String name) throws SQLException
{
getStatement().setCursorName( name);
cursorName = name;
}
/**
* getResultSet returns the current result as a ResultSet. It
* should only be called once per result.
*
* @return the current result as a ResultSet; null if the result
* is an update count or there are no more results or the statement
* was closed.
* @see #execute
*/
public final ResultSet getResultSet() throws SQLException
{
return wrapResultSet(getStatement().getResultSet());
}
/**
* getUpdateCount returns the current result as an update count;
* if the result is a ResultSet or there are no more results -1
* is returned. It should only be called once per result.
*
* <P>The only way to tell for sure that the result is an update
* count is to first test to see if it is a ResultSet. If it is
* not a ResultSet it is either an update count or there are no
* more results.
*
* @return the current result as an update count; -1 if it is a
* ResultSet or there are no more results
* @see #execute
*/
public final int getUpdateCount() throws SQLException
{
return getStatement().getUpdateCount();
}
/**
* getMoreResults moves to a Statement's next result. It returns true if
* this result is a ResultSet. getMoreResults also implicitly
* closes any current ResultSet obtained with getResultSet.
*
* There are no more results when (!getMoreResults() &&
* (getUpdateCount() == -1)
*
* @return true if the next result is a ResultSet; false if it is
* an update count or there are no more results
* @see #execute
* @exception SQLException thrown on failure.
*/
public final boolean getMoreResults() throws SQLException
{
return getStatement().getMoreResults();
}
/**
* JDBC 2.0
*
* Determine the result set type.
*
* @exception SQLException Feature not implemented for now.
*/
public final int getResultSetType()
throws SQLException
{
return getStatement().getResultSetType();
}
/**
* JDBC 2.0
*
* Give a hint as to the direction in which the rows in a result set
* will be processed. The hint applies only to result sets created
* using this Statement object. The default value is
* ResultSet.FETCH_FORWARD.
*
* @param direction the initial direction for processing rows
* @exception SQLException if a database-access error occurs or direction
* is not one of ResultSet.FETCH_FORWARD, ResultSet.FETCH_REVERSE, or
* ResultSet.FETCH_UNKNOWN
*/
public final void setFetchDirection(int direction) throws SQLException
{
getStatement().setFetchDirection( direction);
}
/**
* JDBC 2.0
*
* Give the JDBC driver a hint as to the number of rows that should
* be fetched from the database when more rows are needed. The number
* of rows specified only affects result sets created using this
* getStatement(). If the value specified is zero, then the hint is ignored.
* The default value is zero.
*
* @param rows the number of rows to fetch
* @exception SQLException if a database-access error occurs, or the
* condition 0 <= rows <= this.getMaxRows() is not satisfied.
*/
public final void setFetchSize(int rows) throws SQLException
{
getStatement().setFetchSize( rows);
}
public final int getQueryTimeout()
throws SQLException
{
return getStatement().getQueryTimeout();
}
public final void setQueryTimeout(int seconds)
throws SQLException
{
getStatement().setQueryTimeout( seconds);
}
/*
** JDBC 3.0 methods
*/
public final boolean execute(String sql,
int autoGeneratedKeys)
throws SQLException
{
return getStatement().execute( sql, autoGeneratedKeys);
}
public final boolean execute(String sql,
int[] columnIndexes)
throws SQLException
{
return getStatement().execute( sql, columnIndexes);
}
public final boolean execute(String sql,
String[] columnNames)
throws SQLException
{
return getStatement().execute( sql, columnNames);
}
public final int executeUpdate(String sql,
int autoGeneratedKeys)
throws SQLException
{
int retVal = getStatement().executeUpdate( sql, autoGeneratedKeys);
return retVal;
}
public final int executeUpdate(String sql,
int[] columnIndexes)
throws SQLException
{
return getStatement().executeUpdate( sql, columnIndexes);
}
public final int executeUpdate(String sql,
String[] columnNames)
throws SQLException
{
return getStatement().executeUpdate( sql, columnNames);
}
/**
* JDBC 3.0
*
* Moves to this Statement obect's next result, deals with any current ResultSet
* object(s) according to the instructions specified by the given flag, and
* returns true if the next result is a ResultSet object
*
* @param current - one of the following Statement constants indicating what
* should happen to current ResultSet objects obtained using the method
* getResultSetCLOSE_CURRENT_RESULT, KEEP_CURRENT_RESULT, or CLOSE_ALL_RESULTS
* @return true if the next result is a ResultSet; false if it is
* an update count or there are no more results
* @see #execute
* @exception SQLException thrown on failure.
*/
public final boolean getMoreResults(int current) throws SQLException
{
return ((EngineStatement) getStatement()).getMoreResults( current);
}
/**
* JDBC 3.0
*
* Retrieves any auto-generated keys created as a result of executing this
* Statement object. If this Statement object did not generate any keys, an empty
* ResultSet object is returned. If this Statement is a non-insert statement,
* an exception will be thrown.
*
* @return a ResultSet object containing the auto-generated key(s) generated by
* the execution of this Statement object
* @exception SQLException if a database access error occurs
*/
public final ResultSet getGeneratedKeys() throws SQLException
{
return wrapResultSet(getStatement().getGeneratedKeys());
}
/**
* Return the holdability of ResultSets created by this Statement.
* If this Statement is active in a global transaction the
* CLOSE_CURSORS_ON_COMMIT will be returned regardless of
* the holdability it was created with. In a local transaction
* the original create holdabilty will be returned.
*/
public final int getResultSetHoldability()
throws SQLException
{
int holdability =
((EngineStatement) getStatement()).getResultSetHoldability();
// Holdability might be downgraded.
return controlCheck().checkHoldCursors(holdability);
}
/*
** Control methods
*/
public Statement createDuplicateStatement(Connection conn, Statement oldStatement) throws SQLException {
Statement newStatement;
newStatement = conn.createStatement(resultSetType, resultSetConcurrency,
resultSetHoldability);
setStatementState(oldStatement, newStatement);
return newStatement;
}
void setStatementState(Statement oldStatement, Statement newStatement) throws SQLException {
if (cursorName != null)
newStatement.setCursorName(cursorName);
if (escapeProcessing != null)
newStatement.setEscapeProcessing(escapeProcessing.booleanValue());
newStatement.setFetchDirection(oldStatement.getFetchDirection());
newStatement.setFetchSize(oldStatement.getFetchSize());
newStatement.setMaxFieldSize(oldStatement.getMaxFieldSize());
newStatement.setMaxRows(oldStatement.getMaxRows());
newStatement.setQueryTimeout(oldStatement.getQueryTimeout());
}
public Statement getStatement() throws SQLException {
return control.getRealStatement();
}
/**
* Provide the control access to every ResultSet we return.
* If required the control can wrap the ResultSet, but
* it (the control) must ensure a underlying ResultSet is
* only wrapped once, if say java.sql.Statement.getResultSet
* is returned twice.
*
* @param rs ResultSet being returned, can be null.
*/
final ResultSet wrapResultSet(ResultSet rs) {
return control.wrapResultSet(this, rs);
}
/**
Get the BrokeredStatementControl in order to perform a check.
Obtained indirectly to ensure that the correct exception is
thrown if the Statement has been closed.
*/
final BrokeredStatementControl controlCheck() throws SQLException
{
// simplest method that will throw an exception if the Statement is closed
getStatement().getConnection();
return control;
}
/**
* Returns false unless <code>iface</code> is implemented
*
* @param iface a Class defining an interface.
* @return true if this implements the interface or
* directly or indirectly wraps an object
* that does.
* @throws java.sql.SQLException if an error occurs while determining
* whether this is a wrapper for an object
* with the given interface.
*/
public boolean isWrapperFor(Class iface) throws SQLException {
checkIfClosed();
return iface.isInstance(this);
}
/**
* Checks if the statement is closed. Not implemented for this
* class since <code>isClosed()</code> is a new method in JDBC
* 4.0. The JDBC 4.0 sub-classes should override this method.
*
* @return <code>true</code> if the statement is closed,
* <code>false</code> otherwise
* @exception SQLException not-implemented exception
*/
protected boolean isClosed() throws SQLException {
// Not implemented since we cannot forward the call to a JDBC
// 4.0 method from this class. This dummy implementation is
// provided here so that checkIfClosed() can be implemented
// once in this class instead of once in each of the
// Brokered*Statement40 classes.
throw Util.notImplemented();
}
/**
* Checks if the statement is closed and throws an exception if it
* is. This method relies on the <code>isClosed()</code> method
* and therefore only works with JDBC 4.0.
*
* @exception SQLException if the statement is closed
*/
protected final void checkIfClosed()
throws SQLException
{
if (isClosed()) {
throw Util.generateCsSQLException(SQLState.ALREADY_CLOSED,
"Statement");
}
}
}
The table below shows all metrics for BrokeredStatement.java.
| Metric | Value | Description | |
|---|---|---|---|
| BLOCKS | 47.00 | Number of blocks | |
| BLOCK_COMMENT | 26.00 | Number of block comment lines | |
| COMMENTS | 262.00 | Comment lines | |
| COMMENT_DENSITY | 1.61 | Comment density | |
| COMPARISONS | 3.00 | Number of comparison operators | |
| CYCLOMATIC | 50.00 | Cyclomatic complexity | |
| DECL_COMMENTS | 27.00 | Comments in declarations | |
| DOC_COMMENT | 227.00 | Number of javadoc comment lines | |
| ELOC | 163.00 | Effective lines of code | |
| EXEC_COMMENTS | 4.00 | Comments in executable code | |
| EXITS | 54.00 | Procedure exits | |
| FUNCTIONS | 46.00 | Number of function declarations | |
| HALSTEAD_DIFFICULTY | 37.78 | Halstead difficulty | |
| HALSTEAD_EFFORT | 0.00 | Halstead effort | |
| INTERFACE_COMPLEXITY | 176.00 | 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 | 2.00 | 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 | 0.00 | 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 | 0.00 | 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 | 0.00 | 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 | 5.00 | 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 | 4.00 | 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 | 1.00 | JAVA0114 Incorrect javadoc: no @version tag | |
| JAVA0115 | 5.00 | JAVA0115 Incorrect javadoc: no @throws or @exception tag for 'exception' | |
| JAVA0116 | 0.00 | JAVA0116 Missing javadoc: field 'field' | |
| JAVA0117 | 2.00 | 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 | 0.00 | 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 | 1.00 | 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 | 0.00 | JAVA0144 Line exceeds maximum M characters | |
| JAVA0145 | 175.00 | JAVA0145 Tab character used in source file | |
| JAVA0150 | 0.00 | 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 | 1.00 | 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 | 0.00 | 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 | 587.00 | Number of lines in the source file | |
| LINE_COMMENT | 9.00 | Number of line comments | |
| LOC | 252.00 | Lines of code | |
| LOGICAL_LINES | 83.00 | Number of statements | |
| LOOPS | 0.00 | Number of loops | |
| NEST_DEPTH | 2.00 | Maximum nesting depth | |
| OPERANDS | 407.00 | Number of operands | |
| OPERATORS | 891.00 | Number of operators | |
| PARAMS | 31.00 | Number of formal parameter declarations | |
| PROGRAM_LENGTH | 1298.00 | Halstead program length | |
| PROGRAM_VOCAB | 198.00 | Halstead program vocabulary | |
| PROGRAM_VOLUME | 0.00 | Halstead program volume | |
| RETURNS | 145.00 | Number of return points from functions | |
| SIZE | 18766.00 | Size of the file in bytes | |
| UNIQUE_OPERANDS | 167.00 | Number of unique operands | |
| UNIQUE_OPERATORS | 31.00 | Number of unique operators | |
| WHITESPACE | 73.00 | Number of whitespace lines | |