001/*
002 * Licensed to the Apache Software Foundation (ASF) under one
003 * or more contributor license agreements.  See the NOTICE file
004 * distributed with this work for additional information
005 * regarding copyright ownership.  The ASF licenses this file
006 * to you under the Apache License, Version 2.0 (the
007 * "License"); you may not use this file except in compliance
008 * with the License.  You may obtain a copy of the License at
009 *
010 *     http://www.apache.org/licenses/LICENSE-2.0
011 *
012 * Unless required by applicable law or agreed to in writing, software
013 * distributed under the License is distributed on an "AS IS" BASIS,
014 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
015 * See the License for the specific language governing permissions and
016 * limitations under the License.
017 */
018package org.apache.hadoop.hbase.client;
019
020import java.io.IOException;
021import org.apache.hadoop.hbase.ServerName;
022import org.apache.hadoop.hbase.TableName;
023import org.apache.yetus.audience.InterfaceAudience;
024
025import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;
026
027import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;
028
029/**
030 * A RegionServerCallable set to use the Client protocol. Also includes some utility methods so can
031 * hide protobuf references here rather than have them sprinkled about the code base.
032 */
033@InterfaceAudience.Private
034public abstract class ClientServiceCallable<T>
035  extends 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}