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/tags/release-0.1-rc2/hive/external/metastore/src/java/org/apache/hadoop/hive/metastore/TServerSocketKeepAlive.java

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Java | 47 lines | 20 code | 5 blank | 22 comment | 0 complexity | ec426fa6d1268b2f46067e6aa988750c MD5 | raw file
 1/**
 2 * Licensed to the Apache Software Foundation (ASF) under one
 3 * or more contributor license agreements.  See the NOTICE file
 4 * distributed with this work for additional information
 5 * regarding copyright ownership.  The ASF licenses this file
 6 * to you under the Apache License, Version 2.0 (the
 7 * "License"); you may not use this file except in compliance
 8 * with the License.  You may obtain a copy of the License at
 9 *
10 *     http://www.apache.org/licenses/LICENSE-2.0
11 *
12 * Unless required by applicable law or agreed to in writing, software
13 * distributed under the License is distributed on an "AS IS" BASIS,
14 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
15 * See the License for the specific language governing permissions and
16 * limitations under the License.
17 */
18
19package org.apache.hadoop.hive.metastore;
20
21import java.net.SocketException;
22
23import org.apache.thrift.transport.TServerSocket;
24import org.apache.thrift.transport.TSocket;
25import org.apache.thrift.transport.TTransportException;
26
27/**
28 * TServerSocketKeepAlive - like TServerSocket, but will enable keepalive for
29 * accepted sockets.
30 *
31 */
32public class TServerSocketKeepAlive extends TServerSocket {
33  public TServerSocketKeepAlive(int port) throws TTransportException {
34    super(port, 0);
35  }
36
37  @Override
38  protected TSocket acceptImpl() throws TTransportException {
39    TSocket ts = super.acceptImpl();
40    try {
41      ts.getSocket().setKeepAlive(true);
42    } catch (SocketException e) {
43      throw new TTransportException(e);
44    }
45    return ts;
46  }
47}