001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.util;
019
020import org.apache.hadoop.hbase.Stoppable;
021import org.apache.yetus.audience.InterfaceAudience;
022
023/**
024 * A base implementation for a Stoppable service
025 */
026@InterfaceAudience.Private
027public class StoppableImplementation implements Stoppable {
028  volatile boolean stopped = false;
029
030  @Override
031  public void stop(String why) {
032    this.stopped = true;
033  }
034
035  @Override
036  public boolean isStopped() {
037    return stopped;
038  }
039}