StartupImpl


1   // Copyright 2004, 2005 The Apache Software Foundation
2   //
3   // Licensed under the Apache License, Version 2.0 (the "License");
4   // you may not use this file except in compliance with the License.
5   // You may obtain a copy of the License at
6   //
7   //     http://www.apache.org/licenses/LICENSE-2.0
8   //
9   // Unless required by applicable law or agreed to in writing, software
10  // distributed under the License is distributed on an "AS IS" BASIS,
11  // WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  // See the License for the specific language governing permissions and
13  // limitations under the License.
14  
15  package org.apache.hivemind.impl;
16  
17  import java.util.Iterator  ;
18  import java.util.List  ;
19  
20  /**
21   * Startup service for the HiveMind Registry. This service is invoked as the
22   * {@link org.apache.hivemind.internal.RegistryInfrastructure#startup() last step} of the
23   * {@link org.apache.hivemind.impl.RegistryBuilder#constructRegistry(java.util.Locale) registry construction}.
24   * All contributions (java.lang.Runnable objects) to the <code>hivemind.Startup</code>
25   * configuration point are executed serially in an arbitrary order. Note that the contributions are
26   * <em>not</em> executed in separate Threads.
27   * <p>
28   * HiveMind contributes the <code>hivemind.EagerLoad</code> (see
29   * {@link org.apache.hivemind.service.impl.EagerLoader}) service to the
30   * <code>hivemind.Startup</code> configuration.
31   * 
32   * @author Howard Lewis Ship
33   */
34  public class StartupImpl extends BaseLocatable implements Runnable  
35  {
36      private List   _runnables;
37  
38      public void run()
39      {
40          Iterator   i = _runnables.iterator();
41          while (i.hasNext())
42          {
43              Runnable   r = (Runnable  ) i.next();
44  
45              r.run();
46          }
47      }
48  
49      public void setRunnables(List   list)
50      {
51          _runnables = list;
52      }
53  
54  }
55
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