1 /*
2 * Copyright 2010 The Apache Software Foundation
3 *
4 * Licensed to the Apache Software Foundation (ASF) under one
5 * or more contributor license agreements. See the NOTICE file
6 * distributed with this work for additional information
7 * regarding copyright ownership. The ASF licenses this file
8 * to you under the Apache License, Version 2.0 (the
9 * "License"); you may not use this file except in compliance
10 * with the License. You may obtain a copy of the License at
11 *
12 * http://www.apache.org/licenses/LICENSE-2.0
13 *
14 * Unless required by applicable law or agreed to in writing, software
15 * distributed under the License is distributed on an "AS IS" BASIS,
16 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
17 * See the License for the specific language governing permissions and
18 * limitations under the License.
19 */
20 package org.apache.hadoop.hbase.ipc;
21
22 import java.lang.reflect.Method;
23 import java.io.IOException;
24 import java.net.InetSocketAddress;
25 import javax.net.SocketFactory;
26
27 import org.apache.hadoop.hbase.ipc.VersionedProtocol;
28 import org.apache.hadoop.hbase.security.User;
29 import org.apache.hadoop.conf.Configuration;
30
31 /** An RPC implementation. */
32 interface RpcEngine {
33
34 /** Construct a client-side proxy object. */
35 VersionedProtocol getProxy(Class<? extends VersionedProtocol> protocol,
36 long clientVersion, InetSocketAddress addr,
37 User ticket, Configuration conf,
38 SocketFactory factory, int rpcTimeout) throws IOException;
39
40 /** Stop this proxy. */
41 void stopProxy(VersionedProtocol proxy);
42
43 /** Expert: Make multiple, parallel calls to a set of servers. */
44 Object[] call(Method method, Object[][] params, InetSocketAddress[] addrs,
45 Class<? extends VersionedProtocol> protocol,
46 User ticket, Configuration conf)
47 throws IOException, InterruptedException;
48
49 /** Construct a server for a protocol implementation instance. */
50 RpcServer getServer(Class<? extends VersionedProtocol> protocol, Object instance,
51 Class<?>[] ifaces, String bindAddress,
52 int port, int numHandlers, int metaHandlerCount,
53 boolean verbose, Configuration conf, int highPriorityLevel)
54 throws IOException;
55
56 }