/*
* Copyright (c) 1998-2011 Caucho Technology -- all rights reserved
*
* This file is part of Resin(R) Open Source
*
* Each copy or derived work must preserve the copyright notice and this
* notice unmodified.
*
* Resin Open Source is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* Resin Open Source 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, or any warranty
* of NON-INFRINGEMENT. See the GNU General Public License for more
* details.
*
* You should have received a copy of the GNU General Public License
* along with Resin Open Source; if not, write to the
*
* Free Software Foundation, Inc.
* 59 Temple Place, Suite 330
* Boston, MA 02111-1307 USA
*
* @author Scott Ferguson
*/
package com.caucho.db.jdbc;
import java.sql.SQLException;
import com.caucho.db.Database;
import com.caucho.db.sql.Query;
import com.caucho.db.sql.QueryContext;
import com.caucho.db.sql.SelectCursor;
import com.caucho.db.xa.DbTransaction;
import com.caucho.util.L10N;
/**
* The JDBC statement implementation.
*/
public class CursorStatementImpl extends StatementImpl {
private static final L10N L = new L10N(CursorStatementImpl.class);
CursorStatementImpl(ConnectionImpl conn)
{
super(conn);
}
@Override
public java.sql.ResultSet executeQuery(String sql)
throws SQLException
{
Database db = getDatabase();
if (db == null)
throw new SQLException(L.l("statement is closed"));
Query query = db.parseQuery(sql);
java.sql.ResultSet rs = executeQuery(query, getQueryContext());
return rs;
}
private java.sql.ResultSet executeQuery(Query query,
QueryContext queryContext)
throws SQLException
{
DbTransaction xa = getConnectionImpl().getTransaction();
queryContext.setNonLocking();
SelectCursor result = query.executeCursor(queryContext, xa);
return new CursorResultSetImpl(this, queryContext, result);
}
}