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.fserver.EntityGroup;
  import com.alibaba.wasp.storage.StorageActionManager;
  import org.apache.commons.logging.Log;
  import org.apache.commons.logging.LogFactory;
  
  import java.io.IOException;
  
  /**
   * Subscriber builder.
   * 
   */
  public class SubscriberBuilder {
  
    public static final Log LOG = LogFactory.getLog(SubscriberBuilder.class);
  
    public SubscriberBuilder() {
    }
  
    public Subscriber build(EntityGroup entityGroup) {
      try {
        return new Subscriber(entityGroup, new StorageActionManager(
            entityGroup.getConf()));
      } catch (IOException e) {
        LOG.error("new HBaseActionManager in Subscriber error", e);
        return null;
      }
    }
  
    public Subscriber build(EntityGroup entityGroup, StorageActionManager action) {
      return new Subscriber(entityGroup, action);
    }
  }
  