Examples of org.apache.hadoop.hbase.client.HBaseAdmin.coprocessorService()

Class org.apache.hadoop.hbase.client.HBaseAdmin

Examples of org.apache.hadoop.hbase.client.HBaseAdmin.coprocessorService()

org.apache.hadoop.hbase.client.HBaseAdmin.coprocessorService()
Creates and returns a {@link com.google.protobuf.RpcChannel} instanceconnected to the active master.
The obtained {@link com.google.protobuf.RpcChannel} instance can be used to access a publishedcoprocessor {@link com.google.protobuf.Service} using standard protobuf service invocations:
```
 CoprocessorRpcChannel channel = myAdmin.coprocessorService(); MyService.BlockingInterface service = MyService.newBlockingStub(channel); MyCallRequest request = MyCallRequest.newBuilder() ... .build(); MyCallResponse response = service.myCall(null, request); 
```
@return A MasterCoprocessorRpcChannel instance

  public void testMasterCoprocessorService() throws Throwable {
    HBaseAdmin admin = util.getHBaseAdmin();
    final TestProtos.EchoRequestProto request =
        TestProtos.EchoRequestProto.newBuilder().setMessage("hello").build();
    TestRpcServiceProtos.TestProtobufRpcProto.BlockingInterface service =
        TestRpcServiceProtos.TestProtobufRpcProto.newBlockingStub(admin.coprocessorService());
    assertEquals("hello", service.echo(null, request).getMessage());
  }


  @Test
  public void testCoprocessorError() throws Exception {

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  @Test
  public void testMasterCoprocessorError() throws Throwable {
    HBaseAdmin admin = util.getHBaseAdmin();
    TestRpcServiceProtos.TestProtobufRpcProto.BlockingInterface service =
        TestRpcServiceProtos.TestProtobufRpcProto.newBlockingStub(admin.coprocessorService());
    try {
      service.error(null, TestProtos.EmptyRequestProto.getDefaultInstance());
      fail("Should have thrown an exception");
    } catch (ServiceException e) {
    }

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