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Java > Open Source Codes > com > hp > hpl > jena > graph > GraphEvents


1 /*
2   (c) Copyright 2004, 2005 Hewlett-Packard Development Company, LP, all rights reserved.
3   [See end of file]
4   $Id: GraphEvents.java,v 1.4 2005/02/21 11:51:56 andy_seaborne Exp $
5 */
6 package com.hp.hpl.jena.graph;
7
8 /**
9     GraphEvents is the base class for Jena general graph events. Each graph event
10     has a title and some content.
11     
12     @author kers
13  */
14 public class GraphEvents
15     {
16     public static final GraphEvents removeAll = new GraphEvents( "removeAll", "" );
17     
18     public static final GraphEvents startRead = new GraphEvents( "startRead", "" );
19     
20     public static final GraphEvents finishRead = new GraphEvents( "finishRead", "" );
21     
22     private String JavaDoc title;
23     private Object JavaDoc content;
24     
25     public GraphEvents( String JavaDoc title, Object JavaDoc content )
26         { this.title = title;
27         this.content = content; }
28     
29     public boolean equals( Object JavaDoc o )
30         { return o instanceof GraphEvents && same( (GraphEvents) o ); }
31     
32     public boolean same( GraphEvents o )
33         { return title.equals( o.title ) && content.equals( o.content ); }
34    
35     public static Object JavaDoc remove( Node s, Node p, Node o )
36         { return new GraphEvents( "remove", Triple.create( s, p, o ) ); }
37     
38     public String JavaDoc toString()
39         { return "<GE " + title + ">"; }
40     }
41
42 /*
43 (c) Copyright 2004, 2005 Hewlett-Packard Development Company, LP
44 All rights reserved.
45
46 Redistribution and use in source and binary forms, with or without
47 modification, are permitted provided that the following conditions
48 are met:
49
50 1. Redistributions of source code must retain the above copyright
51    notice, this list of conditions and the following disclaimer.
52
53 2. Redistributions in binary form must reproduce the above copyright
54    notice, this list of conditions and the following disclaimer in the
55    documentation and/or other materials provided with the distribution.
56
57 3. The name of the author may not be used to endorse or promote products
58    derived from this software without specific prior written permission.
59
60 THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
61 IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
62 OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
63 IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
64 INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
65 NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
66 DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
67 THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
68 (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
69 THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
70 */
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