Source Code Cross Referenced for OWLMiniReasonerFactory.java in  » RSS-RDF » Jena-2.5.5 » com » hp » hpl » jena » reasoner » rulesys » Java Source Code / Java DocumentationJava Source Code and Java Documentation

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Java Source Code / Java Documentation » RSS RDF » Jena 2.5.5 » com.hp.hpl.jena.reasoner.rulesys 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /******************************************************************
002:         * File:        MiniOWLReasonerFactory.java
003:         * Created by:  Dave Reynolds
004:         * Created on:  19-Mar-2004
005:         * 
006:         * (c) Copyright 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP, all rights reserved.
007:         * [See end of file]
008:         * $Id: OWLMiniReasonerFactory.java,v 1.10 2008/01/02 12:07:48 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.reasoner.rulesys.Util;
013:        import com.hp.hpl.jena.reasoner.transitiveReasoner.TransitiveReasoner;
014:        import com.hp.hpl.jena.rdf.model.*;
015:        import com.hp.hpl.jena.vocabulary.*;
016:
017:        /**
018:         * Reasoner factory for the OWL mini configuration. Key limitations over
019:         * the normal OWL configuration are:
020:         * <UL>
021:         * <li>omits the someValuesFrom => bNode entailments</li>
022:         * <li>avoids any guard clauses which would break the find() contract</li>
023:         * <li>omits inheritance of range implications for XSD datatype ranges</li>
024:         * </UL>
025:         * 
026:         * @author <a href="mailto:der@hplb.hpl.hp.com">Dave Reynolds</a>
027:         * @version $Revision: 1.10 $ on $Date: 2008/01/02 12:07:48 $
028:         */
029:        public class OWLMiniReasonerFactory implements  ReasonerFactory {
030:
031:            /** Single global instance of this factory */
032:            private static ReasonerFactory theInstance = new OWLMiniReasonerFactory();
033:
034:            /** Static URI for this reasoner type */
035:            public static final String URI = "http://jena.hpl.hp.com/2003/OWLMiniFBRuleReasoner";
036:
037:            /** Cache of the capabilities description */
038:            protected Model capabilities;
039:
040:            /**
041:             * Return the single global instance of this factory
042:             */
043:            public static ReasonerFactory theInstance() {
044:                return theInstance;
045:            }
046:
047:            /**
048:             * Constructor method that builds an instance of the associated Reasoner
049:             * @param configuration a set of arbitrary configuration information to be 
050:             * passed the reasoner encoded within an RDF graph
051:             */
052:            public Reasoner create(Resource configuration) {
053:                OWLMiniReasoner reasoner = new OWLMiniReasoner(this );
054:                if (configuration != null) {
055:                    Boolean doLog = Util.checkBinaryPredicate(
056:                            ReasonerVocabulary.PROPderivationLogging,
057:                            configuration);
058:                    if (doLog != null) {
059:                        reasoner.setDerivationLogging(doLog.booleanValue());
060:                    }
061:                    Boolean doTrace = Util.checkBinaryPredicate(
062:                            ReasonerVocabulary.PROPtraceOn, configuration);
063:                    if (doTrace != null) {
064:                        reasoner.setTraceOn(doTrace.booleanValue());
065:                    }
066:                }
067:                return reasoner;
068:            }
069:
070:            /**
071:             * Return a description of the capabilities of this reasoner encoded in
072:             * RDF. This method is normally called by the ReasonerRegistry which caches
073:             * the resulting information so dynamically creating here is not really an overhead.
074:             */
075:            public Model getCapabilities() {
076:                if (capabilities == null) {
077:                    capabilities = ModelFactory.createDefaultModel();
078:                    Resource base = capabilities.createResource(getURI());
079:                    base
080:                            .addProperty(ReasonerVocabulary.nameP,
081:                                    "OWL Mini Reasoner")
082:                            .addProperty(
083:                                    ReasonerVocabulary.descriptionP,
084:                                    "Experimental mini OWL reasoner.\n"
085:                                            + "Can separate tbox and abox data if desired to reuse tbox caching or mix them.")
086:                            .addProperty(ReasonerVocabulary.supportsP,
087:                                    RDFS.subClassOf).addProperty(
088:                                    ReasonerVocabulary.supportsP,
089:                                    RDFS.subPropertyOf).addProperty(
090:                                    ReasonerVocabulary.supportsP, RDFS.member)
091:                            .addProperty(ReasonerVocabulary.supportsP,
092:                                    RDFS.range)
093:                            .addProperty(ReasonerVocabulary.supportsP,
094:                                    RDFS.domain)
095:                            .addProperty(
096:                                    ReasonerVocabulary.supportsP,
097:                                    TransitiveReasoner.directSubClassOf
098:                                            .toString())
099:                            // TODO -- typing
100:                            .addProperty(
101:                                    ReasonerVocabulary.supportsP,
102:                                    TransitiveReasoner.directSubPropertyOf
103:                                            .toString())
104:                            // TODO -- typing
105:                            // TODO - add OWL elements supported
106:                            .addProperty(ReasonerVocabulary.supportsP,
107:                                    ReasonerVocabulary.individualAsThingP)
108:                            .addProperty(ReasonerVocabulary.supportsP,
109:                                    OWL.ObjectProperty).addProperty(
110:                                    ReasonerVocabulary.supportsP,
111:                                    OWL.DatatypeProperty).addProperty(
112:                                    ReasonerVocabulary.supportsP,
113:                                    OWL.FunctionalProperty).addProperty(
114:                                    ReasonerVocabulary.supportsP,
115:                                    OWL.SymmetricProperty).addProperty(
116:                                    ReasonerVocabulary.supportsP,
117:                                    OWL.TransitiveProperty).addProperty(
118:                                    ReasonerVocabulary.supportsP,
119:                                    OWL.InverseFunctionalProperty)
120:
121:                            .addProperty(ReasonerVocabulary.supportsP,
122:                                    OWL.hasValue).addProperty(
123:                                    ReasonerVocabulary.supportsP,
124:                                    OWL.intersectionOf).addProperty(
125:                                    ReasonerVocabulary.supportsP, OWL.unionOf) // Only partial
126:                            .addProperty(ReasonerVocabulary.supportsP,
127:                                    OWL.maxCardinality) // Only partial
128:                            .addProperty(ReasonerVocabulary.supportsP,
129:                                    OWL.cardinality) // Only partial
130:                            .addProperty(ReasonerVocabulary.supportsP,
131:                                    OWL.allValuesFrom) // Only partial
132:                            .addProperty(ReasonerVocabulary.supportsP,
133:                                    OWL.sameAs).addProperty(
134:                                    ReasonerVocabulary.supportsP,
135:                                    OWL.differentFrom).addProperty(
136:                                    ReasonerVocabulary.supportsP,
137:                                    OWL.disjointWith)
138:
139:                            .addProperty(ReasonerVocabulary.versionP, "0.1");
140:                }
141:                return capabilities;
142:            }
143:
144:            /**
145:             * Return the URI labelling this type of reasoner
146:             */
147:            public String getURI() {
148:                return URI;
149:            }
150:
151:        }
152:
153:        /*
154:         (c) Copyright 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
155:         All rights reserved.
156:
157:         Redistribution and use in source and binary forms, with or without
158:         modification, are permitted provided that the following conditions
159:         are met:
160:
161:         1. Redistributions of source code must retain the above copyright
162:         notice, this list of conditions and the following disclaimer.
163:
164:         2. Redistributions in binary form must reproduce the above copyright
165:         notice, this list of conditions and the following disclaimer in the
166:         documentation and/or other materials provided with the distribution.
167:
168:         3. The name of the author may not be used to endorse or promote products
169:         derived from this software without specific prior written permission.
170:
171:         THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
172:         IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
173:         OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
174:         IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
175:         INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
176:         NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
177:         DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
178:         THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
179:         (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
180:         THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
181:         */
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