Java tutorial
/* * CrudManagerFactory.java created on 2011-05-26 * * Created by Brushing Bits Labs * http://www.brushingbits.org * * Licensed 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.jnap.core.manager; import java.util.Map; import org.jnap.core.bean.model.PersistentModel; import org.springframework.beans.BeansException; import org.springframework.context.ApplicationContext; import org.springframework.context.ApplicationContextAware; /** * @author Daniel Rochetti */ public final class CrudManagerFactory implements ApplicationContextAware { private ApplicationContext applicationContext; private Map<Class<? extends PersistentModel>, CrudManager<? extends PersistentModel>> cache; public <M extends PersistentModel> CrudManager<M> getCrudManager(Class<M> entityType) { CrudManager<M> manager = (CrudManager<M>) this.cache.get(entityType); if (manager == null) { synchronized (this.cache) { } } return manager; } @Override public void setApplicationContext(ApplicationContext applicationContext) throws BeansException { this.applicationContext = applicationContext; } }