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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  
19  package org.apache.hadoop.hbase.coprocessor;
20  
21  import com.google.protobuf.RpcCallback;
22  import com.google.protobuf.RpcController;
23  import com.google.protobuf.Service;
24  import org.apache.hadoop.hbase.Coprocessor;
25  import org.apache.hadoop.hbase.CoprocessorEnvironment;
26  import org.apache.hadoop.hbase.ipc.protobuf.generated.TestProtos;
27  import org.apache.hadoop.hbase.ipc.protobuf.generated.TestRpcServiceProtos;
28  import org.apache.hadoop.hbase.protobuf.ResponseConverter;
29  
30  import java.io.IOException;
31  
32  /**
33   * Test implementation of a coprocessor endpoint exposing the
34   * {@link TestRpcServiceProtos.TestProtobufRpcProto} service methods.  For internal use by
35   * unit tests only.
36   */
37  public class ProtobufCoprocessorService
38      extends TestRpcServiceProtos.TestProtobufRpcProto
39      implements CoprocessorService, Coprocessor {
40    public ProtobufCoprocessorService() {
41    }
42  
43    @Override
44    public Service getService() {
45      return this;
46    }
47  
48    @Override
49    public void ping(RpcController controller, TestProtos.EmptyRequestProto request,
50                     RpcCallback<TestProtos.EmptyResponseProto> done) {
51      done.run(TestProtos.EmptyResponseProto.getDefaultInstance());
52    }
53  
54    @Override
55    public void echo(RpcController controller, TestProtos.EchoRequestProto request,
56                     RpcCallback<TestProtos.EchoResponseProto> done) {
57      String message = request.getMessage();
58      done.run(TestProtos.EchoResponseProto.newBuilder().setMessage(message).build());
59    }
60  
61    @Override
62    public void error(RpcController controller, TestProtos.EmptyRequestProto request,
63                      RpcCallback<TestProtos.EmptyResponseProto> done) {
64      ResponseConverter.setControllerException(controller, new IOException("Test exception"));
65      done.run(null);
66    }
67  
68    @Override
69    public void start(CoprocessorEnvironment env) throws IOException {
70      //To change body of implemented methods use File | Settings | File Templates.
71    }
72  
73    @Override
74    public void stop(CoprocessorEnvironment env) throws IOException {
75      //To change body of implemented methods use File | Settings | File Templates.
76    }
77  }