org.apache.commons.dbcp
Class PoolablePreparedStatement

java.lang.Object
  extended byorg.apache.commons.dbcp.AbandonedTrace
      extended byorg.apache.commons.dbcp.DelegatingStatement
          extended byorg.apache.commons.dbcp.DelegatingPreparedStatement
              extended byorg.apache.commons.dbcp.PoolablePreparedStatement
All Implemented Interfaces:
PreparedStatement, Statement

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: 892307 $ $Date: 2014-01-01 00:27:28 +0100 (Wed, 01 Jan 2014) $
Author:
Rodney Waldhoff, Glenn L. Nielsen, James House, Dirk Verbeeck
See Also:
PoolingConnection

Field Summary
protected  Object _key
          My "key" as used by KeyedObjectPool.
protected  KeyedObjectPool _pool
          The KeyedObjectPool from which I was obtained.
 
Fields inherited from class org.apache.commons.dbcp.DelegatingPreparedStatement
_stmt
 
Fields inherited from class org.apache.commons.dbcp.DelegatingStatement
_closed, _conn
 
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
PoolablePreparedStatement(PreparedStatement stmt, Object key, KeyedObjectPool pool, Connection conn)
          Constructor
 
Method Summary
protected  void activate()
           
 void close()
          Return me to my pool.
protected  void passivate()
           
 
Methods inherited from class org.apache.commons.dbcp.DelegatingPreparedStatement
addBatch, clearParameters, equals, execute, executeQuery, executeUpdate, getMetaData, getParameterMetaData, setArray, setAsciiStream, setBigDecimal, setBinaryStream, setBlob, setBoolean, setByte, setBytes, setCharacterStream, setClob, setDate, setDate, setDelegate, setDouble, setFloat, setInt, setLong, setNull, setNull, setObject, setObject, setObject, setRef, setShort, setString, setTime, setTime, setTimestamp, setTimestamp, setUnicodeStream, setURL, toString
 
Methods inherited from class org.apache.commons.dbcp.DelegatingStatement
addBatch, cancel, checkOpen, clearBatch, clearWarnings, 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, setCursorName, setDelegate, setEscapeProcessing, setFetchDirection, setFetchSize, setMaxFieldSize, setMaxRows, setQueryTimeout
 
Methods inherited from class org.apache.commons.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
addBatch, clearParameters, execute, executeQuery, executeUpdate, getMetaData, getParameterMetaData, setArray, setAsciiStream, setBigDecimal, setBinaryStream, setBlob, setBoolean, setByte, setBytes, setCharacterStream, setClob, setDate, setDate, setDouble, setFloat, setInt, setLong, setNull, setNull, setObject, setObject, setObject, setRef, setShort, setString, setTime, setTime, setTimestamp, setTimestamp, setUnicodeStream, setURL
 
Methods inherited from interface java.sql.Statement
addBatch, cancel, clearBatch, clearWarnings, execute, execute, execute, execute, executeBatch, executeQuery, executeUpdate, executeUpdate, executeUpdate, executeUpdate, getConnection, getFetchDirection, getFetchSize, getGeneratedKeys, getMaxFieldSize, getMaxRows, getMoreResults, getMoreResults, getQueryTimeout, getResultSet, getResultSetConcurrency, getResultSetHoldability, getResultSetType, getUpdateCount, getWarnings, setCursorName, setEscapeProcessing, setFetchDirection, setFetchSize, setMaxFieldSize, setMaxRows, setQueryTimeout
 

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

close

public void close()
           throws SQLException
Return me to my pool.

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


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