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.cloudstack.engine.cloud.entity.api.db.dao;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import javax.annotation.PostConstruct;
  import javax.inject.Inject;
  
  import org.springframework.stereotype.Component;
  
  import org.apache.cloudstack.engine.cloud.entity.api.db.VMNetworkMapVO;
  
  import com.cloud.network.dao.NetworkDao;
  import com.cloud.utils.db.GenericDaoBase;
  import com.cloud.utils.db.SearchBuilder;
  import com.cloud.utils.db.SearchCriteria;
  import com.cloud.utils.db.TransactionLegacy;
  
  @Component
  public class VMNetworkMapDaoImpl extends GenericDaoBase<VMNetworkMapVO, Long> implements VMNetworkMapDao {
  
      protected SearchBuilder<VMNetworkMapVO> VmIdSearch;
      protected SearchBuilder<VMNetworkMapVO> VmNetworkSearch;
  
      @Inject
      protected NetworkDao _networkDao;
  
      public VMNetworkMapDaoImpl() {
      }
  
      @PostConstruct
      public void init() {
          VmIdSearch = createSearchBuilder();
          VmIdSearch.and("vmId", VmIdSearch.entity().getVmId(), SearchCriteria.Op.EQ);
          VmIdSearch.done();
  
          VmNetworkSearch = createSearchBuilder();
          VmNetworkSearch.and("vmId", VmNetworkSearch.entity().getVmId(), SearchCriteria.Op.EQ);
          VmNetworkSearch.and("networkId", VmNetworkSearch.entity().getNetworkId(), SearchCriteria.Op.EQ);
          VmNetworkSearch.done();
  
      }
  
      @Override
      public void persist(long vmId, List<Long> networks) {
          TransactionLegacy txn = TransactionLegacy.currentTxn();
  
          txn.start();
          SearchCriteria<VMNetworkMapVO> sc = VmIdSearch.create();
          sc.setParameters("vmId", vmId);
          expunge(sc);
  
          for (Long networkId : networks) {
              VMNetworkMapVO vo = new VMNetworkMapVO(vmId, networkId);
              persist(vo);
          }
  
          txn.commit();
      }
  
      @Override
      public List<Long> getNetworks(long vmId) {
  
          SearchCriteria<VMNetworkMapVO> sc = VmIdSearch.create();
          sc.setParameters("vmId", vmId);
  
          List<VMNetworkMapVO> results = search(sc, null);
          List<Long> networks = new ArrayList<Long>(results.size());
          for (VMNetworkMapVO result : results) {
              networks.add(result.getNetworkId());
          }
  
          return networks;
      }
  
      @Override
      public VMNetworkMapVO findByVmAndNetworkId(long vmId, long networkId) {
  
          SearchCriteria<VMNetworkMapVO> sc = VmNetworkSearch.create();
          sc.setParameters("vmId", vmId);
          sc.setParameters("networkId", networkId);
          VMNetworkMapVO network = findOneBy(sc);
  
          return network;
      }
  }
  