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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  
19  package org.apache.hadoop.hbase.io;
20  
21  import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
22  import org.apache.hadoop.hbase.regionserver.MetricsRegionServerSourceFactory;
23  import com.google.common.annotations.VisibleForTesting;
24  
25  public class MetricsIO {
26  
27    private final MetricsIOSource source;
28    private final MetricsIOWrapper wrapper;
29  
30    public MetricsIO(MetricsIOWrapper wrapper) {
31      this(CompatibilitySingletonFactory.getInstance(MetricsRegionServerSourceFactory.class)
32              .createIO(wrapper), wrapper);
33    }
34  
35    MetricsIO(MetricsIOSource source, MetricsIOWrapper wrapper) {
36      this.source = source;
37      this.wrapper = wrapper;
38    }
39  
40    @VisibleForTesting
41    public MetricsIOSource getMetricsSource() {
42      return source;
43    }
44  
45    @VisibleForTesting
46    public MetricsIOWrapper getWrapper() {
47      return wrapper;
48    }
49  
50    public void updateFsReadTime(long t) {
51      source.updateFsReadTime(t);
52    }
53  
54    public void updateFsPreadTime(long t) {
55      source.updateFsPReadTime(t);
56    }
57  
58    public void updateFsWriteTime(long t) {
59      source.updateFsWriteTime(t);
60    }
61  }