001: /******************************************************************
002: * File: RDFSExptRuleReasonerFactory.java
003: * Created by: Dave Reynolds
004: * Created on: 16-Jun-2003
005: *
006: * (c) Copyright 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
007: * [See end of file]
008: * $Id: RDFSRuleReasonerFactory.java,v 1.15 2008/01/02 12:07:47 andy_seaborne Exp $
009: *****************************************************************/package com.hp.hpl.jena.reasoner.rulesys;
010:
011: import com.hp.hpl.jena.reasoner.*;
012: import com.hp.hpl.jena.rdf.model.*;
013: import com.hp.hpl.jena.vocabulary.*;
014:
015: /**
016: * Factory class for creating blank instances of the hybrid rule RDFS reasoner
017: * with TGC support.
018: *
019: * @author <a href="mailto:der@hplb.hpl.hp.com">Dave Reynolds</a>
020: * @version $Revision: 1.15 $ on $Date: 2008/01/02 12:07:47 $
021: */
022: public class RDFSRuleReasonerFactory implements ReasonerFactory {
023:
024: /** Single global instance of this factory */
025: private static ReasonerFactory theInstance = new RDFSRuleReasonerFactory();
026:
027: /** Static URI for this reasoner type */
028: public static final String URI = "http://jena.hpl.hp.com/2003/RDFSExptRuleReasoner";
029:
030: /** Cache of the capabilities description */
031: protected Model capabilities;
032:
033: /**
034: * Return the single global instance of this factory
035: */
036: public static ReasonerFactory theInstance() {
037: return theInstance;
038: }
039:
040: /**
041: * Constructor method that builds an instance of the associated Reasoner
042: * @param configuration a set of arbitrary configuration information for the reasoner
043: */
044: public Reasoner create(Resource configuration) {
045: return new RDFSRuleReasoner(this , configuration);
046: }
047:
048: /**
049: * Return a description of the capabilities of this reasoner encoded in
050: * RDF. This method is normally called by the ReasonerRegistry which caches
051: * the resulting information so dynamically creating here is not really an overhead.
052: */
053: public Model getCapabilities() {
054: if (capabilities == null) {
055: capabilities = ModelFactory.createDefaultModel();
056: Resource base = capabilities.createResource(getURI());
057: base
058: .addProperty(ReasonerVocabulary.nameP,
059: "RDFS FB-TGC Rule Reasoner")
060: .addProperty(
061: ReasonerVocabulary.descriptionP,
062: "Complete RDFS implementation supporting metalevel statements.\n"
063: + "Can separate tbox and abox data if desired to reuse tbox caching or mix them.")
064: .addProperty(ReasonerVocabulary.supportsP,
065: RDFS.subClassOf).addProperty(
066: ReasonerVocabulary.supportsP,
067: RDFS.subPropertyOf).addProperty(
068: ReasonerVocabulary.supportsP, RDFS.member)
069: .addProperty(ReasonerVocabulary.supportsP,
070: RDFS.range).addProperty(
071: ReasonerVocabulary.supportsP, RDFS.domain)
072: .addProperty(ReasonerVocabulary.versionP, "0.1");
073: }
074: return capabilities;
075: }
076:
077: /**
078: * Return the URI labelling this type of reasoner
079: */
080: public String getURI() {
081: return URI;
082: }
083:
084: }
085:
086: /*
087: (c) Copyright 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
088: All rights reserved.
089:
090: Redistribution and use in source and binary forms, with or without
091: modification, are permitted provided that the following conditions
092: are met:
093:
094: 1. Redistributions of source code must retain the above copyright
095: notice, this list of conditions and the following disclaimer.
096:
097: 2. Redistributions in binary form must reproduce the above copyright
098: notice, this list of conditions and the following disclaimer in the
099: documentation and/or other materials provided with the distribution.
100:
101: 3. The name of the author may not be used to endorse or promote products
102: derived from this software without specific prior written permission.
103:
104: THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
105: IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
106: OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
107: IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
108: INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
109: NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
110: DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
111: THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
112: (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
113: THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
114: */
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