| /** |
| * 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.Collection; |
| import java.util.Collections; |
| import java.util.List; |
| |
| import com.google.inject.Inject; |
| import com.google.inject.Provider; |
| import com.google.inject.persist.Transactional; |
| |
| import javax.persistence.EntityManager; |
| import javax.persistence.TypedQuery; |
| |
| import org.apache.ambari.server.orm.entities.ComponentConfigMappingEntity; |
| |
| public class ComponentConfigMappingDAO { |
| |
| @Inject |
| Provider<EntityManager> entityManagerProvider; |
| @Inject |
| DaoUtils daoUtils; |
| |
| @Transactional |
| public List<ComponentConfigMappingEntity> findByType( |
| Collection<String> configTypes) { |
| TypedQuery<ComponentConfigMappingEntity> query = |
| entityManagerProvider.get().createQuery( |
| "SELECT config FROM ComponentConfigMappingEntity config" |
| + " WHERE config.configType IN ?1", |
| ComponentConfigMappingEntity.class); |
| return daoUtils.selectList(query, configTypes); |
| } |
| |
| public List<ComponentConfigMappingEntity> findByComponentAndType(long clusterId, String serviceName, String componentName, |
| Collection<String> configTypes) { |
| if (configTypes.isEmpty()) { |
| return Collections.emptyList(); |
| } |
| TypedQuery<ComponentConfigMappingEntity> query = entityManagerProvider.get().createQuery("SELECT config " + |
| "FROM ComponentConfigMappingEntity config " + |
| "WHERE " + |
| "config.clusterId = ?1 " + |
| "AND config.serviceName = ?2 " + |
| "AND config.componentName = ?3 " + |
| "AND config.configType IN ?4", |
| ComponentConfigMappingEntity.class); |
| return daoUtils.selectList(query, clusterId, serviceName, componentName, configTypes); |
| } |
| |
| @Transactional |
| public void refresh( |
| ComponentConfigMappingEntity componentConfigMappingEntity) { |
| entityManagerProvider.get().refresh(componentConfigMappingEntity); |
| } |
| |
| @Transactional |
| public ComponentConfigMappingEntity merge( |
| ComponentConfigMappingEntity componentConfigMappingEntity) { |
| return entityManagerProvider.get().merge( |
| componentConfigMappingEntity); |
| } |
| |
| @Transactional |
| public void remove( |
| ComponentConfigMappingEntity componentConfigMappingEntity) { |
| entityManagerProvider.get().remove(merge(componentConfigMappingEntity)); |
| } |
| |
| @Transactional |
| public void removeByType(Collection<String> configTypes) { |
| for (ComponentConfigMappingEntity entity : findByType(configTypes)) { |
| remove(entity); |
| } |
| } |
| |
| } |