Source Code Cross Referenced for SomeValuesFromRestrictionImpl.java in  » RSS-RDF » Jena-2.5.5 » com » hp » hpl » jena » ontology » impl » 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.ontology.impl 
Source Cross Referenced  Class Diagram Java Document (Java Doc) 


001:        /*****************************************************************************
002:         * Source code information
003:         * -----------------------
004:         * Original author    Ian Dickinson, HP Labs Bristol
005:         * Author email       Ian.Dickinson@hp.com
006:         * Package            Jena 2
007:         * Web                http://sourceforge.net/projects/jena/
008:         * Created            07-May-2003
009:         * Filename           $RCSfile: SomeValuesFromRestrictionImpl.java,v $
010:         * Revision           $Revision: 1.12 $
011:         * Release status     $State: Exp $
012:         *
013:         * Last modified on   $Date: 2008/01/02 12:08:03 $
014:         *               by   $Author: andy_seaborne $
015:         *
016:         * (c) Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
017:         * (see footer for full conditions)
018:         *****************************************************************************/package com.hp.hpl.jena.ontology.impl;
019:
020:        // Imports
021:        ///////////////
022:        import com.hp.hpl.jena.enhanced.*;
023:        import com.hp.hpl.jena.graph.*;
024:        import com.hp.hpl.jena.ontology.*;
025:        import com.hp.hpl.jena.rdf.model.Resource;
026:
027:        /**
028:         * <p>
029:         * Implementation of the someValuesFrom restriction abstraction.
030:         * </p>
031:         *
032:         * @author Ian Dickinson, HP Labs
033:         *         (<a  href="mailto:Ian.Dickinson@hp.com" >email</a>)
034:         * @version CVS $Id: SomeValuesFromRestrictionImpl.java,v 1.12 2008/01/02 12:08:03 andy_seaborne Exp $
035:         */
036:        public class SomeValuesFromRestrictionImpl extends RestrictionImpl
037:                implements  SomeValuesFromRestriction {
038:            // Constants
039:            //////////////////////////////////
040:
041:            // Static variables
042:            //////////////////////////////////
043:
044:            /**
045:             * A factory for generating SomeValuesFromRestriction facets from nodes in enhanced graphs.
046:             * Note: should not be invoked directly by user code: use 
047:             * {@link com.hp.hpl.jena.rdf.model.RDFNode#as as()} instead.
048:             */
049:            public static Implementation factory = new Implementation() {
050:                public EnhNode wrap(Node n, EnhGraph eg) {
051:                    if (canWrap(n, eg)) {
052:                        return new SomeValuesFromRestrictionImpl(n, eg);
053:                    } else {
054:                        throw new ConversionException("Cannot convert node "
055:                                + n + " to SomeValuesFromRestriction");
056:                    }
057:                }
058:
059:                public boolean canWrap(Node node, EnhGraph eg) {
060:                    // node will support being a SomeValuesFromRestriction facet if it has rdf:type owl:Restriction or equivalent
061:                    // and the combination of owl:onProperty and owl:someValuesFrom (or equivalents) 
062:                    Profile profile = (eg instanceof  OntModel) ? ((OntModel) eg)
063:                            .getProfile()
064:                            : null;
065:                    return (profile != null)
066:                            && profile.isSupported(node, eg,
067:                                    SomeValuesFromRestriction.class);
068:                }
069:            };
070:
071:            // Instance variables
072:            //////////////////////////////////
073:
074:            // Constructors
075:            //////////////////////////////////
076:
077:            /**
078:             * <p>
079:             * Construct a hasValue restriction node represented by the given node in the given graph.
080:             * </p>
081:             * 
082:             * @param n The node that represents the resource
083:             * @param g The enh graph that contains n
084:             */
085:            public SomeValuesFromRestrictionImpl(Node n, EnhGraph g) {
086:                super (n, g);
087:            }
088:
089:            // External signature methods
090:            //////////////////////////////////
091:
092:            // someValuesFrom
093:
094:            /**
095:             * <p>Assert that this restriction restricts the property to have at least one value
096:             * that is a member of the given class. Any existing statements for <code>someValuesFrom</code>
097:             * will be removed.</p>
098:             * @param cls The class that at least one value of the property must belong to
099:             * @exception OntProfileException If the {@link Profile#SOME_VALUES_FROM()} property is not supported in the current language profile.   
100:             */
101:            public void setSomeValuesFrom(Resource cls) {
102:                setPropertyValue(getProfile().SOME_VALUES_FROM(),
103:                        "SOME_VALUES_FROM", cls);
104:            }
105:
106:            /**
107:             * <p>Answer the resource characterising the constraint on at least one value of the restricted property. This may be
108:             * a class, the URI of a concrete datatype, a DataRange object or the URI rdfs:Literal.</p>
109:             * @return A resource, which will have been pre-converted to the appropriate Java value type
110:             *        ({@link OntClass} or {@link DataRange}) if appropriate.
111:             * @exception OntProfileException If the {@link Profile#SOME_VALUES_FROM()} property is not supported in the current language profile.   
112:             */
113:            public Resource getSomeValuesFrom() {
114:                checkProfile(getProfile().SOME_VALUES_FROM(),
115:                        "SOME_VALUES_FROM");
116:                Resource r = (Resource) getRequiredProperty(
117:                        getProfile().SOME_VALUES_FROM()).getObject();
118:
119:                boolean currentStrict = ((OntModel) getModel()).strictMode();
120:                ((OntModel) getModel()).setStrictMode(true);
121:
122:                try {
123:                    if (r.canAs(OntClass.class)) {
124:                        // all values from a class
125:                        return (Resource) r.as(OntClass.class);
126:                    } else if (r.canAs(DataRange.class)) {
127:                        // all values from a given data range
128:                        return (Resource) r.as(DataRange.class);
129:                    } else {
130:                        // must be a datatype ID or rdfs:Literal
131:                        return r;
132:                    }
133:                } finally {
134:                    ((OntModel) getModel()).setStrictMode(currentStrict);
135:                }
136:            }
137:
138:            /**
139:             * <p>Answer true if this property restriction has the given class as the class to which at least one 
140:             * value of the restricted property must belong.</p>
141:             * @param cls A class to test 
142:             * @return True if the given class is the class to which at least one value must belong
143:             * @exception OntProfileException If the {@link Profile#SOME_VALUES_FROM()} property is not supported in the current language profile.   
144:             */
145:            public boolean hasSomeValuesFrom(Resource cls) {
146:                return hasPropertyValue(getProfile().SOME_VALUES_FROM(),
147:                        "SOME_VALUES_FROM", cls);
148:            }
149:
150:            /**
151:             * <p>Remove the statement that this restriction has some values from the given class among
152:             * the values for the restricted property.  If this statement
153:             * is not true of the current model, nothing happens.</p>
154:             * @param cls A Resource the denotes the class to be removed from this restriction
155:             */
156:            public void removeSomeValuesFrom(Resource cls) {
157:                removePropertyValue(getProfile().SOME_VALUES_FROM(),
158:                        "SOME_VALUES_FROM", cls);
159:            }
160:
161:            // Internal implementation methods
162:            //////////////////////////////////
163:
164:            //==============================================================================
165:            // Inner class definitions
166:            //==============================================================================
167:
168:        }
169:
170:        /*
171:         (c) Copyright 2002, 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
172:         All rights reserved.
173:
174:         Redistribution and use in source and binary forms, with or without
175:         modification, are permitted provided that the following conditions
176:         are met:
177:
178:         1. Redistributions of source code must retain the above copyright
179:         notice, this list of conditions and the following disclaimer.
180:
181:         2. Redistributions in binary form must reproduce the above copyright
182:         notice, this list of conditions and the following disclaimer in the
183:         documentation and/or other materials provided with the distribution.
184:
185:         3. The name of the author may not be used to endorse or promote products
186:         derived from this software without specific prior written permission.
187:
188:         THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
189:         IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
190:         OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
191:         IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
192:         INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
193:         NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
194:         DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
195:         THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
196:         (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
197:         THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
198:         */
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