/*
* Hibernate, Relational Persistence for Idiomatic Java
*
* Copyright (c) 2010, Red Hat Inc. or third-party contributors as
* indicated by the @author tags or express copyright attribution
* statements applied by the authors. All third-party contributions are
* distributed under license by Red Hat Inc.
*
* This copyrighted material is made available to anyone wishing to use, modify,
* copy, or redistribute it subject to the terms and conditions of the GNU
* Lesser General Public License, as published by the Free Software Foundation.
*
* This program 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. See the GNU Lesser General Public License
* for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this distribution; if not, write to:
* Free Software Foundation, Inc.
* 51 Franklin Street, Fifth Floor
* Boston, MA 02110-1301 USA
*/
package org.hibernate.engine.jdbc.internal.proxy;
import java.sql.Connection;
import java.sql.ResultSet;
import java.sql.SQLException;
import java.sql.Statement;
import org.hibernate.engine.jdbc.spi.JdbcResourceRegistry;
import org.hibernate.engine.jdbc.spi.JdbcServices;
/**
* Invocation handler for {@link java.sql.ResultSet} proxies obtained from other JDBC object proxies
*
* @author Steve Ebersole
*/
public class ImplicitResultSetProxyHandler extends AbstractResultSetProxyHandler {
private ConnectionProxyHandler connectionProxyHandler;
private Connection connectionProxy;
private Statement sourceStatement;
public ImplicitResultSetProxyHandler(ResultSet resultSet, ConnectionProxyHandler connectionProxyHandler, Connection connectionProxy) {
super( resultSet );
this.connectionProxyHandler = connectionProxyHandler;
this.connectionProxy = connectionProxy;
}
public ImplicitResultSetProxyHandler(ResultSet resultSet, ConnectionProxyHandler connectionProxyHandler, Connection connectionProxy, Statement sourceStatement) {
super( resultSet );
this.connectionProxyHandler = connectionProxyHandler;
this.connectionProxy = connectionProxy;
this.sourceStatement = sourceStatement;
}
@Override
protected JdbcServices getJdbcServices() {
return connectionProxyHandler.getJdbcServices();
}
@Override
protected JdbcResourceRegistry getResourceRegistry() {
return connectionProxyHandler.getResourceRegistry();
}
@Override
protected Statement getExposableStatement() {
if ( sourceStatement == null ) {
try {
Statement stmnt = getResultSet().getStatement();
if ( stmnt == null ) {
return null;
}
sourceStatement = ProxyBuilder.buildImplicitStatement( stmnt, connectionProxyHandler, connectionProxy );
}
catch ( SQLException e ) {
throw getJdbcServices().getSqlExceptionHelper().convert( e, e.getMessage() );
}
}
return sourceStatement;
}
protected void invalidateHandle() {
sourceStatement = null;
super.invalidateHandle();
}
}