01: /*
02: (c) Copyright 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
03: All rights reserved - see end of file.
04: $Id: ProcessedTriple.java,v 1.16 2008/01/02 12:09:58 andy_seaborne Exp $
05: */
06:
07: package com.hp.hpl.jena.mem.faster;
08:
09: import com.hp.hpl.jena.graph.*;
10: import com.hp.hpl.jena.graph.query.*;
11:
12: /**
13: A ProcessedTriple is three QueryNodes; it knows how to deliver an
14: optimised Matcher which will use only the necessary QueryNode.match
15: methods.
16:
17: @author kers
18: */
19: public class ProcessedTriple extends QueryTriple {
20: public ProcessedTriple(QueryNode S, QueryNode P, QueryNode O) {
21: super (S, P, O);
22: }
23:
24: static final QueryNodeFactory factory = new QueryNodeFactoryBase() {
25: public QueryTriple createTriple(QueryNode S, QueryNode P,
26: QueryNode O) {
27: return new ProcessedTriple(S, P, O);
28: }
29:
30: public QueryTriple[] createArray(int size) {
31: return new ProcessedTriple[size];
32: }
33: };
34:
35: public Applyer createApplyer(Graph g) {
36: return ((GraphMemFaster) g).createApplyer(this );
37: }
38:
39: public boolean hasNoVariables() {
40: return S.isFrozen() && P.isFrozen() && O.isFrozen();
41: }
42: }
43:
44: /*
45: * (c) Copyright 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
46: * All rights reserved.
47: *
48: * Redistribution and use in source and binary forms, with or without
49: * modification, are permitted provided that the following conditions
50: * are met:
51: * 1. Redistributions of source code must retain the above copyright
52: * notice, this list of conditions and the following disclaimer.
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: * 3. The name of the author may not be used to endorse or promote products
57: * derived from this software without specific prior written permission.
58: *
59: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
60: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
61: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
62: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
63: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
64: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
65: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
66: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
67: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
68: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
69: */
|