Cluster


1   /*
2    * Copyright 2003-2006 Rick Knowles <winstone-devel at lists sourceforge net>
3    * Distributed under the terms of either:
4    * - the common development and distribution license (CDDL), v1.0; or
5    * - the GNU Lesser General Public License, v2.1 or later
6    */
7   package winstone;
8   
9   import java.io.IOException  ;
10  import java.io.InputStream  ;
11  import java.io.OutputStream  ;
12  import java.net.Socket  ;
13  
14  /**
15   * Represents a cluster implementation, which is basically the communication
16   * mechanism between a group of winstone containers.
17   * 
18   * @author <a HREF="mailto:rick_knowles@hotmail.com">Rick Knowles</a>
19   * @version $Id: Cluster.java,v 1.5 2006/02/28 07:32:47 rickknowles Exp $
20   */
21  public interface Cluster {
22      /**
23       * Destroy the maintenance thread if there is one. Prepare for shutdown
24       */
25      public void destroy();
26  
27      /**
28       * Check if the other nodes in this cluster have a session for this
29       * sessionId.
30       * 
31       * @param sessionId The id of the session to check for
32       * @param webAppConfig The web app that owns the session we want
33       * @return A valid session instance
34       */
35      public WinstoneSession askClusterForSession(String   sessionId,
36              WebAppConfiguration webAppConfig);
37  
38      /**
39       * Accept a control socket request related to the cluster functions and
40       * process the request.
41       * 
42       * @param requestType A byte indicating the request type
43       * @param in Socket input stream
44       * @param outSocket output stream
45       * @param hostConfig The collection of all local webapps
46       * @throws IOException
47       */
48      public void clusterRequest(byte requestType, InputStream   in,
49              OutputStream   out, Socket   socket, HostGroup hostGroup)
50              throws IOException  ;
51  }
52
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags