Package org.datanucleus.store.rdbms.datasource.dbcp2

Class PoolablePreparedStatement<K>

java.lang.Object

org.datanucleus.store.rdbms.datasource.dbcp2.AbandonedTrace

org.datanucleus.store.rdbms.datasource.dbcp2.DelegatingStatement

org.datanucleus.store.rdbms.datasource.dbcp2.DelegatingPreparedStatement

org.datanucleus.store.rdbms.datasource.dbcp2.PoolablePreparedStatement<K>

Type Parameters:

K - the key type

All Implemented Interfaces:

java.lang.AutoCloseable, java.sql.PreparedStatement, java.sql.Statement, java.sql.Wrapper, TrackedUse

public class PoolablePreparedStatement<K>
extends DelegatingPreparedStatement

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

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

Since:

2.0

See Also:

PoolingConnection

Field Summary

Fields

Modifier and Type	Field	Description
private boolean	batchAdded
private K	key	My "key" as used by KeyedObjectPool.
private KeyedObjectPool<K,PoolablePreparedStatement<K>>	pool	The KeyedObjectPool from which I was obtained.

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	Description
PoolablePreparedStatement(java.sql.PreparedStatement stmt, K key, KeyedObjectPool<K,PoolablePreparedStatement<K>> pool, DelegatingConnection<?> conn)	Constructor.

Method Summary

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

Methods inherited from class org.datanucleus.store.rdbms.datasource.dbcp2.DelegatingPreparedStatement

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, toString

Methods inherited from class org.datanucleus.store.rdbms.datasource.dbcp2.DelegatingStatement

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

Methods inherited from class org.datanucleus.store.rdbms.datasource.dbcp2.AbandonedTrace

addTrace, clearTrace, getLastUsed, getTrace, removeThisTrace, removeTrace, setLastUsed, setLastUsed

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.sql.Statement

addBatch, cancel, clearWarnings, closeOnCompletion, enquoteIdentifier, enquoteLiteral, enquoteNCharLiteral, 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, isSimpleIdentifier, setCursorName, setEscapeProcessing, setFetchDirection, setFetchSize, setLargeMaxRows, setMaxFieldSize, setMaxRows, setPoolable, setQueryTimeout

Methods inherited from interface java.sql.Wrapper

isWrapperFor, unwrap

Field Detail

pool

private final KeyedObjectPool<K,PoolablePreparedStatement<K>> pool

The KeyedObjectPool from which I was obtained.

key

private final K key

My "key" as used by KeyedObjectPool.

batchAdded

private volatile boolean batchAdded

Constructor Detail

PoolablePreparedStatement

public PoolablePreparedStatement(java.sql.PreparedStatement stmt,
                                 K key,
                                 KeyedObjectPool<K,PoolablePreparedStatement<K>> pool,
                                 DelegatingConnection<?> 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 java.sql.SQLException

Add batch.

Specified by:

addBatch in interface java.sql.PreparedStatement

Overrides:

addBatch in class DelegatingPreparedStatement

Throws:

java.sql.SQLException

clearBatch

public void clearBatch()
                throws java.sql.SQLException

Clear Batch.

Specified by:

clearBatch in interface java.sql.Statement

Overrides:

clearBatch in class DelegatingStatement

Throws:

java.sql.SQLException

close

public void close()
           throws java.sql.SQLException

Return me to my pool.

Specified by:

close in interface java.lang.AutoCloseable

Specified by:

close in interface java.sql.Statement

Overrides:

close in class DelegatingStatement

Throws:

java.sql.SQLException

activate

public void activate()
              throws java.sql.SQLException

Overrides:

activate in class DelegatingStatement

Throws:

java.sql.SQLException - thrown by the delegating statement.

passivate

public void passivate()
               throws java.sql.SQLException

Overrides:

passivate in class DelegatingStatement

Throws:

java.sql.SQLException - thrown by the delegating statement.