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1   /**
2    *
3    * Licensed to the Apache Software Foundation (ASF) under one
4    * or more contributor license agreements.  See the NOTICE file
5    * distributed with this work for additional information
6    * regarding copyright ownership.  The ASF licenses this file
7    * to you under the Apache License, Version 2.0 (the
8    * "License"); you may not use this file except in compliance
9    * with the License.  You may obtain a copy of the License at
10   *
11   *     http://www.apache.org/licenses/LICENSE-2.0
12   *
13   * Unless required by applicable law or agreed to in writing, software
14   * distributed under the License is distributed on an "AS IS" BASIS,
15   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
16   * See the License for the specific language governing permissions and
17   * limitations under the License.
18   */
19  
20  package org.apache.hadoop.hbase.ipc;
21  
22  import org.apache.hadoop.classification.InterfaceAudience;
23  import org.apache.hadoop.conf.Configuration;
24  import org.apache.hadoop.hbase.IpcProtocol;
25  
26  import java.io.IOException;
27  import java.net.InetSocketAddress;
28  
29  /** An RPC implementation for the client */
30  @InterfaceAudience.Private
31  public interface RpcClientEngine {
32    /** Construct a client-side proxy object. */
33    <T extends IpcProtocol> T getProxy(Class<T> protocol, InetSocketAddress addr,
34        Configuration conf, int rpcTimeout) throws IOException;
35  
36    /** Shutdown this instance */
37    void close();
38  
39    public HBaseClient getClient();
40  }