com.mchange.v2.c3p0.example.InitSqlConnectionCustomizer Maven / Gradle / Ivy
/*
* Distributed as part of c3p0 v.0.9.5.3
*
* Copyright (C) 2018 Machinery For Change, Inc.
*
* Author: Steve Waldman
*
* This library is free software; you can redistribute it and/or modify
* it under the terms of EITHER:
*
* 1) The GNU Lesser General Public License (LGPL), version 2.1, as
* published by the Free Software Foundation
*
* OR
*
* 2) The Eclipse Public License (EPL), version 1.0
*
* You may choose which license to accept if you wish to redistribute
* or modify this work. You may offer derivatives of this work
* under the license you have chosen, or you may provide the same
* choice of license which you have been offered here.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
*
* You should have received copies of both LGPL v2.1 and EPL v1.0
* along with this software; see the files LICENSE-EPL and LICENSE-LGPL.
* If not, the text of these licenses are currently available at
*
* LGPL v2.1: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html
* EPL v1.0: http://www.eclipse.org/org/documents/epl-v10.php
*
*/
package com.mchange.v2.c3p0.example;
import java.sql.*;
import com.mchange.v2.log.*;
import com.mchange.v2.c3p0.AbstractConnectionCustomizer;
public class InitSqlConnectionCustomizer extends AbstractConnectionCustomizer
{
final static MLogger logger = MLog.getLogger( InitSqlConnectionCustomizer.class );
private String getInitSql( String parentDataSourceIdentityToken )
{ return (String) extensionsForToken( parentDataSourceIdentityToken ).get ( "initSql" ); }
public void onCheckOut( Connection c, String parentDataSourceIdentityToken ) throws Exception
{
String initSql = getInitSql( parentDataSourceIdentityToken );
if ( initSql != null )
{
Statement stmt = null;
try
{
stmt = c.createStatement();
int num = stmt.executeUpdate( initSql );
if ( logger.isLoggable( MLevel.FINEST ) )
logger.log( MLevel.FINEST, "Initialized checked-out Connection '" + c + "' with initSql '" + initSql + "'. Return value: " + num );
}
finally
{ if ( stmt != null ) stmt.close(); }
}
}
}
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