hbase-server/src/main/java/org/apache/hadoop/hbase/master/MetricsSnapshot.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.master;
  20
  21 import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
  22 import org.apache.yetus.audience.InterfaceAudience;
  23
  24 @InterfaceAudience.Private
  25 public class MetricsSnapshot {
  26
  27   private final MetricsSnapshotSource source;
  28
  29   public MetricsSnapshot() {
  30     source = CompatibilitySingletonFactory.getInstance(MetricsSnapshotSource.class);
  31   }
  32
  33   /**
  34    * Record a single instance of a snapshot
  35    * @param time time that the snapshot took
  36    */
  37   public void addSnapshot(long time) {
  38     source.updateSnapshotTime(time);
  39   }
  40
  41   /**
  42    * Record a single instance of a snapshot
  43    * @param time time that the snapshot restore took
  44    */
  45   public void addSnapshotRestore(long time) {
  46     source.updateSnapshotRestoreTime(time);
  47   }
  48
  49   /**
  50    * Record a single instance of a snapshot cloned table
  51    * @param time time that the snapshot clone took
  52    */
  53   public void addSnapshotClone(long time) {
  54     source.updateSnapshotCloneTime(time);
  55   }
  56 }