/**
    * 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.controller;
  
  import org.apache.log4j.helpers.LogLog;
  
  
  public class ClientFinalizer extends Thread {
    private ChukwaAgentController chukwaClient = null;
  
    public ClientFinalizer(ChukwaAgentController chukwaClient) {
      this.chukwaClient = chukwaClient;
    }
  
    public synchronized void run() {
      try {
        if (chukwaClient != null) {
          chukwaClient.removeInstanceAdaptors();
        } else {
          LogLog.warn("chukwaClient is null cannot do any cleanup");
        }
      } catch (Throwable e) {
        LogLog.warn("closing the controller threw an exception:\n" + e);
      }
    }
  }