Package groovy.sql

Class BatchingStatementWrapper

java.lang.Object

groovy.lang.GroovyObjectSupport

groovy.sql.BatchingStatementWrapper

All Implemented Interfaces:

GroovyObject, java.lang.AutoCloseable

Direct Known Subclasses:

BatchingPreparedStatementWrapper

public class BatchingStatementWrapper
extends GroovyObjectSupport
implements java.lang.AutoCloseable

Class which delegates to a Statement but keeps track of a batch count size. If the batch count reaches the predefined number, this Statement does an executeBatch() automatically. If batchSize is zero, then no batching is performed.

Field Summary

Fields

Modifier and Type	Field	Description
protected int	batchCount
protected int	batchSize
protected java.util.logging.Logger	log
protected java.util.List<java.lang.Integer>	results

Constructor Summary

Constructors

Constructor	Description
BatchingStatementWrapper(java.sql.Statement delegate, int batchSize, java.util.logging.Logger log)

Method Summary

Modifier and Type	Method	Description
void	addBatch(java.lang.String sql)
void	clearBatch()
void	close()
int[]	executeBatch()
protected void	incrementBatchCount()	Increments batch count (after addBatch(..) has been called) and execute delegate.executeBatch() if batchSize has been reached.
java.lang.Object	invokeMethod(java.lang.String name, java.lang.Object args)	Invokes the given method.
protected void	processResult(int[] lastResult)
protected void	reset()

Methods inherited from class groovy.lang.GroovyObjectSupport

getMetaClass, getProperty, setMetaClass, setProperty

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

batchSize

protected int batchSize

batchCount

protected int batchCount

log

protected java.util.logging.Logger log

results

protected java.util.List<java.lang.Integer> results

Constructor Detail

BatchingStatementWrapper

public BatchingStatementWrapper(java.sql.Statement delegate,
                                int batchSize,
                                java.util.logging.Logger log)

Method Detail

reset

protected void reset()

invokeMethod

public java.lang.Object invokeMethod(java.lang.String name,
                                     java.lang.Object args)

Description copied from interface: GroovyObject

Invokes the given method.

Specified by:

invokeMethod in interface GroovyObject

Overrides:

invokeMethod in class GroovyObjectSupport

Parameters:

name - the name of the method to call

args - the arguments to use for the method call

Returns:

the result of invoking the method

addBatch

public void addBatch(java.lang.String sql)
              throws java.sql.SQLException

Throws:

java.sql.SQLException

incrementBatchCount

protected void incrementBatchCount()
                            throws java.sql.SQLException

Increments batch count (after addBatch(..) has been called) and execute delegate.executeBatch() if batchSize has been reached.

Throws:

java.sql.SQLException

clearBatch

public void clearBatch()
                throws java.sql.SQLException

Throws:

java.sql.SQLException

executeBatch

public int[] executeBatch()
                   throws java.sql.SQLException

Throws:

java.sql.SQLException

processResult

protected void processResult(int[] lastResult)

close

public void close()
           throws java.sql.SQLException

Specified by:

close in interface java.lang.AutoCloseable

Throws:

java.sql.SQLException