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1   /**
2    * Licensed to the Apache Software Foundation (ASF) under one or more contributor license
3    * agreements. See the NOTICE file distributed with this work for additional information regarding
4    * copyright ownership. The ASF licenses this file to you under the Apache License, Version 2.0 (the
5    * "License"); you may not use this file except in compliance with the License. You may obtain a
6    * copy of the License at http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable
7    * law or agreed to in writing, software distributed under the License is distributed on an "AS IS"
8    * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License
9    * for the specific language governing permissions and limitations under the License.
10   */
11  
12  package org.apache.hadoop.hbase.quotas;
13  
14  import org.apache.hadoop.hbase.classification.InterfaceAudience;
15  import org.apache.hadoop.hbase.classification.InterfaceStability;
16  import org.apache.hadoop.hbase.protobuf.generated.QuotaProtos.Throttle;
17  
18  @InterfaceAudience.Private
19  @InterfaceStability.Evolving
20  public class QuotaLimiterFactory {
21  
22    private QuotaLimiterFactory() {
23      // utility class
24    }
25  
26    public static QuotaLimiter fromThrottle(final Throttle throttle) {
27      return TimeBasedLimiter.fromThrottle(throttle);
28    }
29  
30    public static QuotaLimiter update(final QuotaLimiter a, final QuotaLimiter b) {
31      if (a.getClass().equals(b.getClass()) && a instanceof TimeBasedLimiter) {
32        ((TimeBasedLimiter) a).update(((TimeBasedLimiter) b));
33        return a;
34      }
35      throw new UnsupportedOperationException("TODO not implemented yet");
36    }
37  }