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.jstorm.daemon.worker;
  
  /**
   * @author JohnFang (xiaojian.fxj@alibaba-inc.com).
   */
  public abstract class Flusher implements Runnable {
      protected long flushIntervalMs;
      private static FlusherPool FLUSHER;
  
      public static void setFlusherPool(FlusherPool flusherPool) {
          FLUSHER = flusherPool;
      }
  
      public abstract void run();
  
      public void start() {
          FLUSHER.start(this, flushIntervalMs);
      }
  
      public void close() {
          FLUSHER.stop(this, flushIntervalMs);
      }
  }