/**
    * 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.hadoop.chukwa.datacollection.agent.metrics;
  
  import javax.management.ObjectName;
  
  import org.apache.hadoop.metrics.util.MBeanUtil;
  import org.apache.hadoop.metrics.util.MetricsDynamicMBeanBase;
  import org.apache.hadoop.metrics.util.MetricsRegistry;
  
  public class ChunkQueueActivityMBean extends MetricsDynamicMBeanBase {
    final private ObjectName mbeanName;
  
    public ChunkQueueActivityMBean(final MetricsRegistry mr, final String serviceName) {
      super(mr, "ChunkQueue layer statistics");
      mbeanName = MBeanUtil.registerMBean(serviceName,
            "QueueActivity", this);
    }
  
  
    public void shutdown() {
      if (mbeanName != null)
        MBeanUtil.unregisterMBean(mbeanName);
    }
  
  
  }