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1   package org.apache.helix.tools;
2   
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,
15   * software distributed under the License is distributed on an
16   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
17   * KIND, either express or implied.  See the License for the
18   * specific language governing permissions and limitations
19   * under the License.
20   */
21  
22  import java.util.concurrent.CountDownLatch;
23  
24  import org.apache.helix.webapp.HelixAdminWebApp;
25  
26  
27  public class AdminTestHelper
28  {
29  
30    public static class AdminThread
31    {
32      Thread _adminThread;
33      CountDownLatch _stopCountDown = new CountDownLatch(1);
34      String _zkAddr;
35      int _port;
36      
37      public AdminThread(String zkAddr, int port)
38      {
39        _zkAddr = zkAddr;
40        _port = port;
41      }
42      
43      public void start()
44      {
45        Thread adminThread = new Thread(new Runnable()
46        {
47          @Override
48          public void run()
49          {
50            HelixAdminWebApp app = null;
51            try
52            {
53              app = new HelixAdminWebApp(_zkAddr, _port);
54              app.start();
55              // Thread.currentThread().join();
56              _stopCountDown.await();
57            }
58            catch (Exception e)
59            {
60              e.printStackTrace();
61            }
62            finally
63            {
64              if (app != null)
65              {
66  //              System.err.println("Stopping HelixAdminWebApp");
67                app.stop();
68              }
69            }
70          }
71        });
72  
73        adminThread.setDaemon(true);
74        adminThread.start();
75      }
76      
77      public void stop()
78      {
79        _stopCountDown.countDown();
80      }
81    }
82    
83  }