01: /*
02: (c) Copyright 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
03: [See end of file]
04: $Id: RandomOrderGraph.java,v 1.6 2008/01/02 12:06:11 andy_seaborne Exp $
05: */
06: package com.hp.hpl.jena.shared;
07:
08: import com.hp.hpl.jena.graph.*;
09: import com.hp.hpl.jena.rdf.model.*;
10: import com.hp.hpl.jena.util.iterator.*;
11: import com.hp.hpl.jena.graph.impl.WrappedGraph;
12:
13: /**
14: * Wraps a graph and randomizes the order of find results.
15: * @author jjc
16: *
17: *
18: */
19: public class RandomOrderGraph extends WrappedGraph {
20:
21: public static Graph createDefaultGraph() {
22: return new RandomOrderGraph(Factory.createDefaultGraph());
23: }
24:
25: public static Model createDefaultModel() {
26: return ModelFactory.createModelForGraph(createDefaultGraph());
27: }
28:
29: final private int bufsz;
30:
31: /**
32: * @param base
33: */
34: public RandomOrderGraph(int bufsz, Graph base) {
35: super (base);
36: this .bufsz = bufsz;
37: }
38:
39: /**
40: * @param base
41: */
42: public RandomOrderGraph(Graph base) {
43: this (10, base);
44: }
45:
46: public ExtendedIterator find(TripleMatch m) {
47: return new RandomOrderIterator(bufsz, super .find(m));
48: }
49:
50: public ExtendedIterator find(Node s, Node p, Node o) {
51: return new RandomOrderIterator(bufsz, super .find(s, p, o));
52: }
53:
54: }
55:
56: /*
57: (c) Copyright 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
58: All rights reserved.
59:
60: Redistribution and use in source and binary forms, with or without
61: modification, are permitted provided that the following conditions
62: are met:
63:
64: 1. Redistributions of source code must retain the above copyright
65: notice, this list of conditions and the following disclaimer.
66:
67: 2. Redistributions in binary form must reproduce the above copyright
68: notice, this list of conditions and the following disclaimer in the
69: documentation and/or other materials provided with the distribution.
70:
71: 3. The name of the author may not be used to endorse or promote products
72: derived from this software without specific prior written permission.
73:
74: THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
75: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
76: OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
77: IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
78: INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
79: NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
80: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
81: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
82: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
83: THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
84: */
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