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 java.util.Map;
022import org.apache.hadoop.hbase.ServerName;
023import org.apache.hadoop.hbase.TableName;
024import org.apache.yetus.audience.InterfaceAudience;
025
026import org.apache.hbase.thirdparty.com.google.protobuf.RpcController;
027
028import org.apache.hadoop.hbase.shaded.protobuf.generated.ClientProtos;
029
030/**
031 * A RegionServerCallable set to use the Client protocol. Also includes some utility methods so can
032 * hide protobuf references here rather than have them sprinkled about the code base.
033 */
034@InterfaceAudience.Private
035public abstract class ClientServiceCallable<T>
036  extends RegionServerCallable<T, ClientProtos.ClientService.BlockingInterface> {
037
038  public ClientServiceCallable(Connection connection, TableName tableName, byte[] row,
039    RpcController rpcController, int priority, Map<String, byte[]> requestAttributes) {
040    super(connection, tableName, row, rpcController, priority, requestAttributes);
041  }
042
043  @Override
044  protected void setStubByServiceName(ServerName serviceName) throws IOException {
045    setStub(getConnection().getClient(serviceName));
046  }
047
048  // Below here are simple methods that contain the stub and the rpcController.
049  protected ClientProtos.GetResponse doGet(ClientProtos.GetRequest request)
050    throws org.apache.hbase.thirdparty.com.google.protobuf.ServiceException {
051    return getStub().get(getRpcController(), request);
052  }
053
054  protected ClientProtos.MutateResponse doMutate(ClientProtos.MutateRequest request)
055    throws org.apache.hbase.thirdparty.com.google.protobuf.ServiceException {
056    return getStub().mutate(getRpcController(), request);
057  }
058}