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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.ipc;
19  
20  import org.apache.hadoop.hbase.CellScanner;
21  import org.apache.hadoop.hbase.TableName;
22  
23  /**
24   * Simple delegating controller for use with the {@link RpcControllerFactory} to help override
25   * standard behavior of a {@link PayloadCarryingRpcController}.
26   */
27  public class DelegatingPayloadCarryingRpcController extends PayloadCarryingRpcController {
28    private PayloadCarryingRpcController delegate;
29  
30    public DelegatingPayloadCarryingRpcController(PayloadCarryingRpcController delegate) {
31      this.delegate = delegate;
32    }
33  
34    @Override
35    public CellScanner cellScanner() {
36      return delegate.cellScanner();
37    }
38  
39    @Override
40    public void setCellScanner(final CellScanner cellScanner) {
41      delegate.setCellScanner(cellScanner);
42    }
43  
44    @Override
45    public void setPriority(int priority) {
46      delegate.setPriority(priority);
47    }
48  
49    @Override
50    public void setPriority(final TableName tn) {
51      delegate.setPriority(tn);
52    }
53  
54    @Override
55    public int getPriority() {
56      return delegate.getPriority();
57    }
58  }