| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| package org.apache.ode.daohib; |
| |
| import java.io.Serializable; |
| import java.util.Properties; |
| |
| import org.hibernate.HibernateException; |
| import org.hibernate.MappingException; |
| import org.hibernate.dialect.Dialect; |
| import org.hibernate.engine.SessionImplementor; |
| import org.hibernate.id.Configurable; |
| import org.hibernate.id.IdentifierGenerator; |
| import org.hibernate.id.PersistentIdentifierGenerator; |
| import org.hibernate.id.SequenceHiLoGenerator; |
| import org.hibernate.id.TableHiLoGenerator; |
| import org.hibernate.type.Type; |
| |
| import org.apache.commons.logging.Log; |
| import org.apache.commons.logging.LogFactory; |
| |
| public class NativeHiLoGenerator implements IdentifierGenerator, PersistentIdentifierGenerator, Configurable { |
| private static final Log __log = LogFactory.getLog(NativeHiLoGenerator.class); |
| private IdentifierGenerator _proxy; |
| |
| public NativeHiLoGenerator() { |
| super(); |
| } |
| |
| public Serializable generate(SessionImplementor session, Object object) throws HibernateException { |
| return _proxy.generate(session, object); |
| } |
| |
| public Object generatorKey() { |
| if (_proxy instanceof PersistentIdentifierGenerator) |
| return ((PersistentIdentifierGenerator) _proxy).generatorKey(); |
| else |
| return this; |
| } |
| |
| public String[] sqlCreateStrings(Dialect dialect) throws HibernateException { |
| if (_proxy instanceof PersistentIdentifierGenerator) |
| return ((PersistentIdentifierGenerator) _proxy).sqlCreateStrings(dialect); |
| else |
| return new String[] {}; |
| } |
| |
| public String[] sqlDropStrings(Dialect dialect) throws HibernateException { |
| if (_proxy instanceof PersistentIdentifierGenerator) |
| return ((PersistentIdentifierGenerator) _proxy).sqlDropStrings(dialect); |
| else |
| return null; |
| } |
| |
| public void configure(Type type, Properties params, Dialect dialect) throws MappingException { |
| Class generatorClass = null; |
| if (dialect.supportsSequences()) { |
| __log.debug("Using SequenceHiLoGenerator"); |
| generatorClass = SequenceHiLoGenerator.class; |
| } else { |
| generatorClass = TableHiLoGenerator.class; |
| __log.debug("Using native dialect generator " + generatorClass); |
| } |
| |
| IdentifierGenerator g = null; |
| try { |
| g = (IdentifierGenerator) generatorClass.newInstance(); |
| } catch (Exception e) { |
| throw new MappingException("", e); |
| } |
| |
| if (g instanceof Configurable) |
| ((Configurable) g).configure(type, params, dialect); |
| |
| this._proxy = g; |
| } |
| } |