content: /*
   * 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 jakarta.persistence.EntityManager;
  import jakarta.persistence.TypedQuery;
  
  import org.apache.ambari.server.orm.RequiresSession;
  import org.apache.ambari.server.orm.entities.TopologyRequestEntity;
  
  import com.google.inject.Inject;
  import com.google.inject.Provider;
  import com.google.inject.Singleton;
  import com.google.inject.persist.Transactional;
  
  @Singleton
  public class TopologyRequestDAO {
    @Inject
    Provider<EntityManager> entityManagerProvider;
  
    @Inject
    DaoUtils daoUtils;
  
    @RequiresSession
    public TopologyRequestEntity findById(Long id) {
      return entityManagerProvider.get().find(TopologyRequestEntity.class, id);
    }
  
    @RequiresSession
    public List<TopologyRequestEntity> findByClusterId(long clusterId) {
      TypedQuery<TopologyRequestEntity> query = entityManagerProvider.get()
        .createNamedQuery("TopologyRequestEntity.findByClusterId", TopologyRequestEntity.class);
  
      query.setParameter("clusterId", clusterId);
      return daoUtils.selectList(query);
    }
  
    @RequiresSession
    public List<TopologyRequestEntity> findAll() {
      return daoUtils.selectAll(entityManagerProvider.get(), TopologyRequestEntity.class);
    }
  
    @RequiresSession
    public List<TopologyRequestEntity> findAllProvisionRequests() {
      return daoUtils.selectList(entityManagerProvider.get().createNamedQuery("TopologyRequestEntity.findProvisionRequests",
        TopologyRequestEntity.class));
    }
  
    @Transactional
    public void create(TopologyRequestEntity requestEntity) {
      entityManagerProvider.get().persist(requestEntity);
    }
  
    @Transactional
    public TopologyRequestEntity merge(TopologyRequestEntity requestEntity) {
      return entityManagerProvider.get().merge(requestEntity);
    }
  
    @Transactional
    public void remove(TopologyRequestEntity requestEntity) {
      entityManagerProvider.get().remove(requestEntity);
    }
  
    @Transactional
    public void removeByPK(Long requestId) {
      remove(findById(requestId));
    }
  
    /**
     * Removes all {@link TopologyRequestEntity} that are associated with the specified cluster ID.
     * @param clusterId the cluster ID.
     */
    @Transactional
    public void removeAll(Long clusterId) {
      List<TopologyRequestEntity> clusterTopologyRequests = findByClusterId(clusterId);
      for (TopologyRequestEntity topologyRequestEntity: clusterTopologyRequests)
        remove(topologyRequestEntity);
    }
  }
  
  