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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  package org.apache.hadoop.hbase.client;
19  
20  import java.io.IOException;
21  
22  import org.apache.hadoop.hbase.classification.InterfaceAudience;
23  
24  @InterfaceAudience.Private
25  public class DelegatingRetryingCallable<T, D extends RetryingCallable<T>> implements
26      RetryingCallable<T> {
27    protected final D delegate;
28  
29    public DelegatingRetryingCallable(D delegate) {
30      this.delegate = delegate;
31    }
32  
33    @Override
34    public T call(int callTimeout) throws Exception {
35      return delegate.call(callTimeout);
36    }
37  
38    @Override
39    public void prepare(boolean reload) throws IOException {
40      delegate.prepare(reload);
41    }
42  
43    @Override
44    public void throwable(Throwable t, boolean retrying) {
45      delegate.throwable(t, retrying);
46    }
47  
48    @Override
49    public String getExceptionMessageAdditionalDetail() {
50      return delegate.getExceptionMessageAdditionalDetail();
51    }
52  
53    @Override
54    public long sleep(long pause, int tries) {
55      return delegate.sleep(pause, tries);
56    }
57  }