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.Collection;
  import java.util.HashSet;
  import java.util.List;
  import java.util.Set;
  
  import jakarta.persistence.EntityManager;
  import jakarta.persistence.TypedQuery;
  
  import org.apache.ambari.server.orm.RequiresSession;
  import org.apache.ambari.server.orm.entities.TopologyHostTaskEntity;
  import org.apache.ambari.server.orm.helpers.SQLConstants;
  import org.apache.ambari.server.orm.helpers.SQLOperations;
  
  import com.google.common.collect.Sets;
  import com.google.inject.Inject;
  import com.google.inject.Provider;
  import com.google.inject.Singleton;
  import com.google.inject.persist.Transactional;
  
  @Singleton
  public class TopologyHostTaskDAO {
    @Inject
    Provider<EntityManager> entityManagerProvider;
  
    @Inject
    DaoUtils daoUtils;
  
    @RequiresSession
    public TopologyHostTaskEntity findById(Long id) {
      return entityManagerProvider.get().find(TopologyHostTaskEntity.class, id);
    }
  
    @RequiresSession
    public Collection<TopologyHostTaskEntity> findByHostRequest(Long id) {
      TypedQuery<TopologyHostTaskEntity> query = entityManagerProvider.get()
          .createNamedQuery("TopologyHostTaskEntity.findByHostRequest", TopologyHostTaskEntity.class);
  
      query.setParameter("hostRequestId", id);
      return daoUtils.selectList(query);
    }
  
    @RequiresSession
    public Set<Long> findHostRequestIdsByHostTaskIds(Set<Long> hostTaskIds) {
      final Set<Long> result = new HashSet<>();
      EntityManager entityManager = entityManagerProvider.get();
      final TypedQuery<Long> topologyHostTaskQuery =
        entityManager.createNamedQuery("TopologyLogicalTaskEntity.findHostRequestIdsByHostTaskIds", Long.class);
  
      SQLOperations.batch(hostTaskIds, SQLConstants.IN_ARGUMENT_MAX_SIZE, (chunk, currentBatch, totalBatches, totalSize) -> {
        topologyHostTaskQuery.setParameter("hostTaskIds", chunk);
        result.addAll(daoUtils.selectList(topologyHostTaskQuery));
        return 0;
      });
      return Sets.newHashSet(result);
    }
  
    @RequiresSession
    public List<TopologyHostTaskEntity> findAll() {
      return daoUtils.selectAll(entityManagerProvider.get(), TopologyHostTaskEntity.class);
    }
  
    @Transactional
    public void create(TopologyHostTaskEntity requestEntity) {
      entityManagerProvider.get().persist(requestEntity);
    }
  
    @Transactional
    public TopologyHostTaskEntity merge(TopologyHostTaskEntity requestEntity) {
      return entityManagerProvider.get().merge(requestEntity);
    }
  
    @Transactional
    public void remove(TopologyHostTaskEntity requestEntity) {
      entityManagerProvider.get().remove(requestEntity);
    }
  }
  
  