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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  package org.apache.hadoop.hbase.regionserver.compactions;
19  
20  import org.apache.hadoop.hbase.HBaseInterfaceAudience;
21  import org.apache.hadoop.hbase.classification.InterfaceAudience;
22  import org.apache.hadoop.hbase.regionserver.RegionServerServices;
23  
24  /**
25   * A dummy CompactionThroughputController that does nothing.
26   */
27  @InterfaceAudience.LimitedPrivate(HBaseInterfaceAudience.CONFIG)
28  public class NoLimitCompactionThroughputController implements CompactionThroughputController {
29  
30    public static final NoLimitCompactionThroughputController INSTANCE =
31        new NoLimitCompactionThroughputController();
32  
33    @Override
34    public void setup(RegionServerServices server) {
35    }
36  
37    @Override
38    public void start(String compactionName) {
39    }
40  
41    @Override
42    public long control(String compactionName, long size) throws InterruptedException {
43      return 0;
44    }
45  
46    @Override
47    public void finish(String compactionName) {
48    }
49  
50    private volatile boolean stopped;
51  
52    @Override
53    public void stop(String why) {
54      stopped = true;
55    }
56  
57    @Override
58    public boolean isStopped() {
59      return stopped;
60    }
61  
62    @Override
63    public String toString() {
64      return "NoLimitCompactionThroughputController";
65    }
66  }