hbase-client/src/main/java/org/apache/hadoop/hbase/client/ResultStatsUtil.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 package org.apache.hadoop.hbase.client;
  19
  20 import org.apache.hadoop.hbase.ServerName;
  21 import org.apache.yetus.audience.InterfaceAudience;
  22
  23 /**
  24  * Statistics update about a server/region
  25  */
  26 @InterfaceAudience.Private
  27 public final class ResultStatsUtil {
  28   private ResultStatsUtil() {
  29     //private ctor for util class
  30   }
  31
  32   /**
  33    * Update the statistics for the specified region.
  34    *
  35    * @param tracker tracker to update
  36    * @param server server from which the result was obtained
  37    * @param regionName full region name for the statistics
  38    * @param stats statistics to update for the specified region
  39    */
  40   public static void updateStats(StatisticTrackable tracker, ServerName server, byte[] regionName,
  41     RegionLoadStats stats) {
  42     if (regionName != null && stats != null && tracker != null) {
  43       tracker.updateRegionStats(server, regionName, stats);
  44     }
  45   }
  46 }