001/*
002 * Licensed to the Apache Software Foundation (ASF) under one or more
003 * contributor license agreements.  See the NOTICE file distributed with
004 * this work for additional information regarding copyright ownership.
005 * The ASF licenses this file to you under the Apache License, Version 2.0
006 * (the "License"); you may not use this file except in compliance with
007 * the License.  You may obtain a copy of the License at
008 *
009 * http://www.apache.org/licenses/LICENSE-2.0
010 *
011 * Unless required by applicable law or agreed to in writing, software
012 * distributed under the License is distributed on an "AS IS" BASIS,
013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
014 * See the License for the specific language governing permissions and
015 * limitations under the License.
016 */
017package org.apache.hadoop.hbase.client;
018
019import java.io.IOException;
020
021import org.apache.hadoop.hbase.ServerName;
022import org.apache.hadoop.hbase.TableName;
023import org.apache.yetus.audience.InterfaceAudience;
024import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;
025import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;
026
027/**
028 * A RegionServerCallable set to use the Client protocol.
029 * Also includes some utility methods so can hide protobuf references here rather than have them
030 * sprinkled about the code base.
031 * @param <T>
032 */
033@InterfaceAudience.Private
034public abstract class ClientServiceCallable<T> extends
035    RegionServerCallable<T, ClientProtos.ClientService.BlockingInterface> {
036
037  public ClientServiceCallable(Connection connection, TableName tableName, byte [] row,
038      RpcController rpcController, int priority) {
039    super(connection, tableName, row, rpcController, priority);
040  }
041
042  @Override
043  protected void setStubByServiceName(ServerName serviceName) throws IOException {
044    setStub(getConnection().getClient(serviceName));
045  }
046
047  // Below here are simple methods that contain the stub and the rpcController.
048  protected ClientProtos.GetResponse doGet(ClientProtos.GetRequest request)
049  throws org.apache.hbase.thirdparty.com.google.protobuf.ServiceException {
050    return getStub().get(getRpcController(), request);
051  }
052
053  protected ClientProtos.MutateResponse doMutate(ClientProtos.MutateRequest request)
054  throws org.apache.hbase.thirdparty.com.google.protobuf.ServiceException {
055    return getStub().mutate(getRpcController(), request);
056  }
057}