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Java > Open Source Codes > com > hp > hpl > jena > reasoner > rulesys > RulePreprocessHook


1 /******************************************************************
2  * File: RuleProprocessHook.java
3  * Created by: Dave Reynolds
4  * Created on: 18-Jun-2003
5  *
6  * (c) Copyright 2003, 2004, 2005 Hewlett-Packard Development Company, LP
7  * [See end of file]
8  * $Id: RulePreprocessHook.java,v 1.5 2005/02/21 12:17:06 andy_seaborne Exp $
9  *****************************************************************/
10 package com.hp.hpl.jena.reasoner.rulesys;
11
12 import com.hp.hpl.jena.graph.Graph;
13 import com.hp.hpl.jena.reasoner.Finder;
14
15 /**
16  * Implementors of this interface can be used as proprocessing passes
17  * during intialization of (hybrid) rule systems. They are typically
18  * used to generate additional data-dependent rules or additional
19  * deductions (normally from comprehension axioms) which are cheaper
20  * this way than using the generic rule engines.
21  *
22  * @author <a HREF="mailto:der@hplb.hpl.hp.com">Dave Reynolds</a>
23  * @version $Revision: 1.5 $ on $Date: 2005/02/21 12:17:06 $
24  */
25 public interface RulePreprocessHook {
26
27     /**
28      * Invoke the preprocessing hook. This will be called during the
29      * preparation time of the hybrid reasoner.
30      * @param infGraph the inference graph which is being prepared,
31      * the hook code can use this to add pure deductions or add additional
32      * rules (using addRuleDuringPrepare).
33      * @param dataFind the finder which packages up the raw data (both
34      * schema and data bind) and any cached transitive closures.
35      * @param inserts a temporary graph into which the hook should insert
36      * all new deductions that should be seen by the rules.
37      */
38     public void run(FBRuleInfGraph infGraph, Finder dataFind, Graph inserts);
39     
40 }
41
42
43
44 /*
45     (c) Copyright 2003, 2004, 2005 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
52     1. Redistributions of source code must retain the above copyright
53        notice, this list of conditions and the following disclaimer.
54
55     2. Redistributions in binary form must reproduce the above copyright
56        notice, this list of conditions and the following disclaimer in the
57        documentation and/or other materials provided with the distribution.
58
59     3. The name of the author may not be used to endorse or promote products
60        derived from this software without specific prior written permission.
61
62     THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
63     IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
64     OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
65     IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
66     INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
67     NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
68     DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
69     THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
70     (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
71     THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
72 */
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