hbase-server/src/test/java/org/apache/hadoop/hbase/util/StoppableImplementation.java

   1 /**
   2  * Licensed to the Apache Software Foundation (ASF) under one
   3  * or more contributor license agreements.  See the NOTICE file
   4  * distributed with this work for additional information
   5  * regarding copyright ownership.  The ASF licenses this file
   6  * to you under the Apache License, Version 2.0 (the
   7  * "License"); you may not use this file except in compliance
   8  * with the License.  You may obtain a copy of the License at
   9  *
  10  *     http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  */
  18
  19 package org.apache.hadoop.hbase.util;
  20
  21 import org.apache.yetus.audience.InterfaceAudience;
  22 import org.apache.hadoop.hbase.Stoppable;
  23
  24 /**
  25  * A base implementation for a Stoppable service
  26  */
  27 @InterfaceAudience.Private
  28 public class StoppableImplementation implements Stoppable {
  29   volatile boolean stopped = false;
  30
  31   @Override
  32   public void stop(String why) {
  33     this.stopped = true;
  34   }
  35
  36   @Override
  37   public boolean isStopped() {
  38     return stopped;
  39   }
  40 }