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.balancer;
20
21 import org.apache.hadoop.hbase.CompatibilitySingletonFactory;
22
23 /**
24 * Faced for exposing metrics about the balancer.
25 */
26 public class MetricsBalancer {
27
28 private final MetricsBalancerSource source;
29
30 public MetricsBalancer() {
31 source = CompatibilitySingletonFactory.getInstance(MetricsBalancerSource.class);
32 }
33
34 public void balanceCluster(long time) {
35 source.updateBalanceCluster(time);
36 }
37
38 public void incrMiscInvocations() {
39 source.incrMiscInvocations();
40 }
41 }