MMBaseObserver


1   /*
2   
3   This software is OSI Certified Open Source Software.
4   OSI Certified is a certification mark of the Open Source Initiative.
5   
6   The license (Mozilla version 1.0) can be read at the MMBase site.
7   See http://www.MMBase.org/license
8   
9   */
10  package org.mmbase.module.core;
11  
12  /**
13   * Event/changes interface for MMObjectNodes this is a callback  
14   * interface thats need to be implemented when a object wants to add 
15   * itself as a change listener on Builder to recieve signals if nodes change.
16   *
17   * @author Daniel Ockeloen
18   * @version $Id: MMBaseObserver.java,v 1.9 2005/10/07 18:30:40 michiel Exp $
19   * @deprecated Use {@link org.mmbase.core.event.NodeEventListener}
20   */
21  public interface MMBaseObserver {
22      /**
23       * Called when a remote node is changed.
24       *
25       * @param machine Name of the machine that changed the node.
26       * @param number  Number of the changed node as a <code>String</code>
27       * @param builder Type of the changed node
28       * @param ctype   command type, 'c'=changed, 'd'=deleted', 'r'=relations changed, 'n'=new
29       * @return always <code>true</code>
30       * @todo javadoc is copied from MMObjectBuilder, but MMObjectBuilder is not an MMBaseObserver
31       */
32      public boolean nodeRemoteChanged(String   machine, String   number, String   builder, String   ctype);
33  
34      /**
35       * Called when a local node is changed.
36       *
37       * @param machine Name of the machine that changed the node.
38       * @param number  Number of the changed node as a <code>String</code>
39       * @param builder Type of the changed node
40       * @param ctype   command type, 'c'=changed, 'd'=deleted', 'r'=relations changed, 'n'=new
41       * @return always <code>true</code>
42       * @todo javadoc is copied from MMObjectBuilder, but MMObjectBuilder is not an MMBaseObserver
43       */
44  
45      public boolean nodeLocalChanged(String   machine, String   number, String   builder, String   ctype);
46  }
47
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