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 com.cloud.network.resource.wrapper;
  
  import static com.cloud.network.resource.NiciraNvpResource.NUM_RETRIES;
  
  import java.util.ArrayList;
  import java.util.List;
  
  import com.cloud.agent.api.Answer;
  import com.cloud.agent.api.UpdateLogicalSwitchPortAnswer;
  import com.cloud.agent.api.UpdateLogicalSwitchPortCommand;
  import com.cloud.network.nicira.NiciraNvpApi;
  import com.cloud.network.nicira.NiciraNvpApiException;
  import com.cloud.network.nicira.NiciraNvpTag;
  import com.cloud.network.nicira.VifAttachment;
  import com.cloud.network.resource.NiciraNvpResource;
  import com.cloud.network.resource.NiciraNvpUtilities;
  import com.cloud.network.utils.CommandRetryUtility;
  import com.cloud.resource.CommandWrapper;
  import com.cloud.resource.ResourceWrapper;
  
  @ResourceWrapper(handles =  UpdateLogicalSwitchPortCommand.class)
  public final class NiciraNvpUpdateLogicalSwitchPortCommandWrapper extends CommandWrapper<UpdateLogicalSwitchPortCommand, Answer, NiciraNvpResource> {
  
      @Override
      public Answer execute(final UpdateLogicalSwitchPortCommand command, final NiciraNvpResource niciraNvpResource) {
          final NiciraNvpUtilities niciraNvpUtilities = niciraNvpResource.getNiciraNvpUtilities();
  
          final String logicalSwitchUuid = command.getLogicalSwitchUuid();
          final String logicalSwitchPortUuid = command.getLogicalSwitchPortUuid();
          final String attachmentUuid = command.getAttachmentUuid();
  
          final NiciraNvpApi niciraNvpApi = niciraNvpResource.getNiciraNvpApi();
  
          try {
              // Tags set to scope cs_account and account name
              final List<NiciraNvpTag> tags = new ArrayList<NiciraNvpTag>();
              tags.add(new NiciraNvpTag("cs_account", command.getOwnerName()));
  
              final VifAttachment vifAttachment = niciraNvpUtilities.createVifAttachment(attachmentUuid);
  
              niciraNvpApi.updateLogicalSwitchPortAttachment(logicalSwitchUuid, logicalSwitchPortUuid, vifAttachment);
              return new UpdateLogicalSwitchPortAnswer(command, true, "Attachment for  " + logicalSwitchPortUuid + " updated", logicalSwitchPortUuid);
          } catch (final NiciraNvpApiException e) {
              final CommandRetryUtility retryUtility = niciraNvpResource.getRetryUtility();
              retryUtility.addRetry(command, NUM_RETRIES);
              return retryUtility.retry(command, UpdateLogicalSwitchPortAnswer.class, e);
          }
      }
  }
  