org.datanucleus.store.rdbms.datasource.dbcp

Class PoolablePreparedStatement

java.lang.Object

org.datanucleus.store.rdbms.datasource.dbcp.AbandonedTrace

org.datanucleus.store.rdbms.datasource.dbcp.DelegatingStatement

org.datanucleus.store.rdbms.datasource.dbcp.DelegatingPreparedStatement

org.datanucleus.store.rdbms.datasource.dbcp.PoolablePreparedStatement

All Implemented Interfaces:

AutoCloseable, PreparedStatement, Statement, Wrapper

public class PoolablePreparedStatement
extends DelegatingPreparedStatement
implements PreparedStatement

A DelegatingPreparedStatement that cooperates with PoolingConnection to implement a pool of PreparedStatements.

My close() method returns me to my containing pool. (See PoolingConnection.)

Version:

$Revision: 745860 $ $Date: 2009-02-19 08:45:07 -0500 (Thu, 19 Feb 2009) $

Author:

Rodney Waldhoff, Glenn L. Nielsen, James House, Dirk Verbeeck

See Also:

PoolingConnection

Field Summary

Fields

Modifier and Type	Field and Description
protected Object	_key My "key" as used by KeyedObjectPool.
protected KeyedObjectPool	_pool The KeyedObjectPool from which I was obtained.

Fields inherited from class org.datanucleus.store.rdbms.datasource.dbcp.DelegatingStatement

_closed, _conn, _stmt

Fields inherited from interface java.sql.Statement

CLOSE_ALL_RESULTS, CLOSE_CURRENT_RESULT, EXECUTE_FAILED, KEEP_CURRENT_RESULT, NO_GENERATED_KEYS, RETURN_GENERATED_KEYS, SUCCESS_NO_INFO

Constructor Summary

Constructors

Constructor and Description
PoolablePreparedStatement(PreparedStatement stmt, Object key, KeyedObjectPool pool, Connection conn) Constructor

Method Summary

Modifier and Type	Method and Description
protected void	activate()
void	addBatch() Add batch.
void	clearBatch() Clear Batch.
void	close() Return me to my pool.
protected void	passivate()

Methods inherited from class org.datanucleus.store.rdbms.datasource.dbcp.DelegatingPreparedStatement

clearParameters, equals, execute, executeQuery, executeUpdate, getMetaData, getParameterMetaData, setArray, setAsciiStream, setAsciiStream, setAsciiStream, setBigDecimal, setBinaryStream, setBinaryStream, setBinaryStream, setBlob, setBlob, setBlob, setBoolean, setByte, setBytes, setCharacterStream, setCharacterStream, setCharacterStream, setClob, setClob, setClob, setDate, setDate, setDelegate, setDouble, setFloat, setInt, setLong, setNCharacterStream, setNCharacterStream, setNClob, setNClob, setNClob, setNString, setNull, setNull, setObject, setObject, setObject, setRef, setRowId, setShort, setSQLXML, setString, setTime, setTime, setTimestamp, setTimestamp, setUnicodeStream, setURL, toString

Methods inherited from class org.datanucleus.store.rdbms.datasource.dbcp.DelegatingStatement

addBatch, cancel, checkOpen, clearWarnings, closeOnCompletion, execute, execute, execute, execute, executeBatch, executeQuery, executeUpdate, executeUpdate, executeUpdate, executeUpdate, getConnection, getDelegate, getFetchDirection, getFetchSize, getGeneratedKeys, getInnermostDelegate, getMaxFieldSize, getMaxRows, getMoreResults, getMoreResults, getQueryTimeout, getResultSet, getResultSetConcurrency, getResultSetHoldability, getResultSetType, getUpdateCount, getWarnings, handleException, hashCode, isClosed, isCloseOnCompletion, isPoolable, isWrapperFor, setCursorName, setDelegate, setEscapeProcessing, setFetchDirection, setFetchSize, setMaxFieldSize, setMaxRows, setPoolable, setQueryTimeout, unwrap

Methods inherited from class org.datanucleus.store.rdbms.datasource.dbcp.AbandonedTrace

addTrace, clearTrace, getConfig, getLastUsed, getTrace, printStackTrace, removeTrace, setLastUsed, setLastUsed, setStackTrace

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Methods inherited from interface java.sql.PreparedStatement

clearParameters, execute, executeLargeUpdate, executeQuery, executeUpdate, getMetaData, getParameterMetaData, setArray, setAsciiStream, setAsciiStream, setAsciiStream, setBigDecimal, setBinaryStream, setBinaryStream, setBinaryStream, setBlob, setBlob, setBlob, setBoolean, setByte, setBytes, setCharacterStream, setCharacterStream, setCharacterStream, setClob, setClob, setClob, setDate, setDate, setDouble, setFloat, setInt, setLong, setNCharacterStream, setNCharacterStream, setNClob, setNClob, setNClob, setNString, setNull, setNull, setObject, setObject, setObject, setObject, setObject, setRef, setRowId, setShort, setSQLXML, setString, setTime, setTime, setTimestamp, setTimestamp, setUnicodeStream, setURL

Methods inherited from interface java.sql.Statement

addBatch, cancel, clearWarnings, closeOnCompletion, execute, execute, execute, execute, executeBatch, executeLargeBatch, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, executeLargeUpdate, executeQuery, executeUpdate, executeUpdate, executeUpdate, executeUpdate, getConnection, getFetchDirection, getFetchSize, getGeneratedKeys, getLargeMaxRows, getLargeUpdateCount, getMaxFieldSize, getMaxRows, getMoreResults, getMoreResults, getQueryTimeout, getResultSet, getResultSetConcurrency, getResultSetHoldability, getResultSetType, getUpdateCount, getWarnings, isClosed, isCloseOnCompletion, isPoolable, setCursorName, setEscapeProcessing, setFetchDirection, setFetchSize, setLargeMaxRows, setMaxFieldSize, setMaxRows, setPoolable, setQueryTimeout

Methods inherited from interface java.sql.Wrapper

isWrapperFor, unwrap

Field Detail

_pool

protected KeyedObjectPool _pool

The KeyedObjectPool from which I was obtained.

_key

protected Object _key

My "key" as used by KeyedObjectPool.

Constructor Detail

PoolablePreparedStatement

public PoolablePreparedStatement(PreparedStatement stmt,
                                 Object key,
                                 KeyedObjectPool pool,
                                 Connection conn)

Constructor

Parameters:

stmt - my underlying PreparedStatement

key - my key" as used by KeyedObjectPool

pool - the KeyedObjectPool from which I was obtained.

conn - the Connection from which I was created

Method Detail

addBatch

public void addBatch()
              throws SQLException

Add batch.

Specified by:

addBatch in interface PreparedStatement

Overrides:

addBatch in class DelegatingPreparedStatement

Throws:

SQLException

clearBatch

public void clearBatch()
                throws SQLException

Clear Batch.

Specified by:

clearBatch in interface Statement

Overrides:

clearBatch in class DelegatingStatement

Throws:

SQLException

close

public void close()
           throws SQLException

Return me to my pool.

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Statement

Overrides:

close in class DelegatingStatement

Throws:

SQLException

activate

protected void activate()
                 throws SQLException

Overrides:

activate in class DelegatingStatement

Throws:

SQLException

passivate

protected void passivate()
                  throws SQLException

Overrides:

passivate in class DelegatingStatement

Throws:

SQLException