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 {
ProtobufCoprocessorService()40   public ProtobufCoprocessorService() {
41   }
42 
43   @Override
getService()44   public Service getService() {
45     return this;
46   }
47 
48   @Override
ping(RpcController controller, TestProtos.EmptyRequestProto request, RpcCallback<TestProtos.EmptyResponseProto> done)49   public void ping(RpcController controller, TestProtos.EmptyRequestProto request,
50                    RpcCallback<TestProtos.EmptyResponseProto> done) {
51     done.run(TestProtos.EmptyResponseProto.getDefaultInstance());
52   }
53 
54   @Override
echo(RpcController controller, TestProtos.EchoRequestProto request, RpcCallback<TestProtos.EchoResponseProto> done)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
error(RpcController controller, TestProtos.EmptyRequestProto request, RpcCallback<TestProtos.EmptyResponseProto> done)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
start(CoprocessorEnvironment env)69   public void start(CoprocessorEnvironment env) throws IOException {
70     //To change body of implemented methods use File | Settings | File Templates.
71   }
72 
73   @Override
stop(CoprocessorEnvironment env)74   public void stop(CoprocessorEnvironment env) throws IOException {
75     //To change body of implemented methods use File | Settings | File Templates.
76   }
77 }
78