001    /**
002     * Copyright (C) 2009 Erik Putrycz <erik.putrycz@gmail.com>
003     * 
004     * Licensed under the Apache License, Version 2.0 (the "License");
005     * you may not use this file except in compliance with the License.
006     * You may obtain a copy of the License at
007     * 
008     *         http://www.apache.org/licenses/LICENSE-2.0
009     * 
010     * Unless required by applicable law or agreed to in writing, software
011     * distributed under the License is distributed on an "AS IS" BASIS,
012     * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013     * See the License for the specific language governing permissions and
014     * limitations under the License.
015     */
016    
017    package net.ep.db4o.factories;
018    
019    import net.ep.db4o.javassist.Enhancer;
020    
021    public class PersistentFactories extends BasicFactories {
022    
023            private ObjectContainerProvider _provider;
024    
025            public PersistentFactories(ObjectContainerProvider provider) {
026                    if (provider == null)
027                            throw new NullPointerException("provider cannot be null");
028                    _provider = provider;
029            }
030    
031            @Override
032            protected Class<?> getRealClass(Class<?> targetType) {
033                    return Enhancer.enhancedClass(targetType, _provider);
034            }
035    
036            @Override
037            public void onNewInstance(Object inst) {
038                    _provider.db().store(inst);
039            }
040    }