/** * 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.ambari.server.orm.dao; import java.util.List; import javax.persistence.EntityManager; import javax.persistence.NoResultException; import javax.persistence.TypedQuery; import org.apache.ambari.server.orm.RequiresSession; import org.apache.ambari.server.orm.entities.ServiceDesiredStateEntity; import org.apache.ambari.server.orm.entities.ServiceDesiredStateEntityPK; import com.google.inject.Inject; import com.google.inject.Provider; import com.google.inject.Singleton; import com.google.inject.persist.Transactional; @Singleton public class ServiceDesiredStateDAO { @Inject Provider<EntityManager> entityManagerProvider; @RequiresSession public ServiceDesiredStateEntity findByPK(ServiceDesiredStateEntityPK primaryKey) { return entityManagerProvider.get().find(ServiceDesiredStateEntity.class, primaryKey); } @RequiresSession public List<ServiceDesiredStateEntity> findAll() { TypedQuery<ServiceDesiredStateEntity> query = entityManagerProvider.get(). createQuery("SELECT sd from ServiceDesiredStateEntity sd", ServiceDesiredStateEntity.class); try { return query.getResultList(); } catch (NoResultException ignored) { } return null; } @Transactional public void refresh(ServiceDesiredStateEntity serviceDesiredStateEntity) { entityManagerProvider.get().refresh(serviceDesiredStateEntity); } @Transactional public void create(ServiceDesiredStateEntity serviceDesiredStateEntity) { entityManagerProvider.get().persist(serviceDesiredStateEntity); } @Transactional public ServiceDesiredStateEntity merge(ServiceDesiredStateEntity serviceDesiredStateEntity) { return entityManagerProvider.get().merge(serviceDesiredStateEntity); } @Transactional public void remove(ServiceDesiredStateEntity serviceDesiredStateEntity) { entityManagerProvider.get().remove(merge(serviceDesiredStateEntity)); } @Transactional public void removeByPK(ServiceDesiredStateEntityPK primaryKey) { remove(findByPK(primaryKey)); } }