001    package org.apache.ojb.broker.platforms;
002    
003    /* Copyright 2003-2005 The Apache Software Foundation
004     *
005     * Licensed under the Apache License, Version 2.0 (the "License");
006     * you may not use this file except in compliance with the License.
007     * You may obtain a copy of the License at
008     *
009     *     http://www.apache.org/licenses/LICENSE-2.0
010     *
011     * Unless required by applicable law or agreed to in writing, software
012     * distributed under the License is distributed on an "AS IS" BASIS,
013     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014     * See the License for the specific language governing permissions and
015     * limitations under the License.
016     */
017    
018    
019    /**
020     * This class extends <code>PlatformDefaultImpl</code> and defines specific
021     * behavior for the Firebird platform. Copied from the PostgreSQL Platform
022     *
023     * @author <a href="mailto:thma@apache.org">Thomas Mahler<a>
024     * @author <a href="mailto:david@sundayta.com">David Warnock<a>
025     * @version $Id: PlatformFirebirdImpl.java,v 1.1 2007-08-24 22:17:35 ewestfal Exp $
026     */
027    public class PlatformFirebirdImpl extends PlatformDefaultImpl
028    {
029        public String createSequenceQuery(String sequenceName)
030        {
031            return "create generator " + sequenceName;
032        }
033    
034        public String nextSequenceQuery(String sequenceName)
035        {
036            return "select gen_id(" + sequenceName + ", 1) from rdb$database";
037        }
038    
039        public String dropSequenceQuery(String sequenceName)
040        {
041            return "DELETE FROM RDB$GENERATORS WHERE RDB$GENERATORS_NAME = '" + sequenceName + "'";
042        }
043    }
044