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.alibaba.wasp.messagequeue;
  
  import com.alibaba.wasp.EntityGroupInfo;
  import com.alibaba.wasp.storage.StorageActionManager;
  
  import java.io.IOException;
  
  public class Publisher implements MessageQueue<MessageID> {
    private final EntityGroupInfo entityGroupInfo;
  
    private final MessageQueueClient client;
  
    /**
     * @param info
     */
    public Publisher(EntityGroupInfo entityGroupInfo, StorageActionManager action) {
      super();
      this.entityGroupInfo = entityGroupInfo;
      this.client = new MessageQueueClient(this.entityGroupInfo, action);
    }
  
    /**
     * @return the entityGroupInfo
     */
    public EntityGroupInfo getEntityGroupInfo() {
      return entityGroupInfo;
    }
  
    @Override
    public MessageID doAsynchronous(Message message) throws IOException {
      return client.send(message);
    }
  
    /**
     * delete message.
     * 
     * @param messageId
     * @return
     */
    public boolean delete(MessageID messageId) {
      try {
        client.deleteMessage(messageId);
      } catch (IOException e) {
        return false;
      }
      return true;
    }
  
    /**
     * commit message.
     * 
     * @param messageId
     * @return
     */
    public boolean commit(MessageID messageId) {
      try {
        client.commitMessage(messageId);
      } catch (IOException e) {
        return false;
      }
      return true;
    }
  }