Package org.apache.openjpa.jdbc.kernel

Class BatchingPreparedStatementManagerImpl

java.lang.Object

org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl

org.apache.openjpa.jdbc.kernel.BatchingPreparedStatementManagerImpl

All Implemented Interfaces:

PreparedStatementManager

public class BatchingPreparedStatementManagerImpl
extends PreparedStatementManagerImpl

Batch prepared statement manager implementation. This prepared statement manager will utilize the JDBC addBatch() and exceuteBatch() to batch the SQL statements together to improve the execution performance.

Author:

Teresa Kan

Field Summary

Fields inherited from class org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl

_conn, _dict, _exceptions, _log, _store

Constructor Summary

Constructors

Constructor	Description
BatchingPreparedStatementManagerImpl(JDBCStore store, Connection conn, int batchLimit)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected void	addBatch(PreparedStatement ps, RowImpl row, int count)
protected void	batchOrExecuteRow(RowImpl row)
protected int[]	executeBatch(PreparedStatement ps)
protected void	flushAndUpdate(RowImpl row)	Flush the given row immediately or deferred the flush in batch.
protected void	flushBatch()	flush all cached up statements to be executed as a single or batched prepared statements.
List<RowImpl>	getBatchedRows()
String	getBatchedSql()
int	getBatchLimit()
boolean	isBatchDisabled()
void	setBatchDisabled(boolean disableBatch)
void	setBatchLimit(int batchLimit)

Methods inherited from class org.apache.openjpa.jdbc.kernel.PreparedStatementManagerImpl

executeUpdate, flush, flush, flushInternal, getAutoAssignColNames, getAutoAssignColumns, getExceptions, getGeneratedKeys, getGeneratedKeys, logSQLWarnings, logSQLWarnings, populateAutoAssignCols, populateAutoAssignCols, prepareStatement, prepareStatement, setObjectId, setObjectId

Methods inherited from class java.lang.Object

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

Constructor Detail

BatchingPreparedStatementManagerImpl

public BatchingPreparedStatementManagerImpl(JDBCStore store,
                                            Connection conn,
                                            int batchLimit)

Constructor. Supply connection.

Method Detail

flushAndUpdate

protected void flushAndUpdate(RowImpl row)
                       throws SQLException

Flush the given row immediately or deferred the flush in batch.

Overrides:

flushAndUpdate in class PreparedStatementManagerImpl

Throws:

SQLException

batchOrExecuteRow

protected void batchOrExecuteRow(RowImpl row)
                          throws SQLException

Throws:

SQLException

flushBatch

protected void flushBatch()
                   throws SQLException

flush all cached up statements to be executed as a single or batched prepared statements.

Throws:

SQLException

isBatchDisabled

public boolean isBatchDisabled()

setBatchDisabled

public void setBatchDisabled(boolean disableBatch)

getBatchLimit

public int getBatchLimit()

setBatchLimit

public void setBatchLimit(int batchLimit)

getBatchedRows

public List<RowImpl> getBatchedRows()

getBatchedSql

public String getBatchedSql()

addBatch

protected void addBatch(PreparedStatement ps,
                        RowImpl row,
                        int count)
                 throws SQLException

Throws:

SQLException

executeBatch

protected int[] executeBatch(PreparedStatement ps)
                      throws SQLException

Throws:

SQLException