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 08-Sep-2003
009: * Filename $RCSfile: CardinalityQRestrictionImpl.java,v $
010: * Revision $Revision: 1.8 $
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 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
017: * [See end of file]
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:
026: /**
027: * <p>
028: * Implementation of the exact qualified cardinality restriction
029: * </p>
030: *
031: * @author Ian Dickinson, HP Labs
032: * (<a href="mailto:Ian.Dickinson@hp.com" >email</a>)
033: * @version CVS $Id: CardinalityQRestrictionImpl.java,v 1.8 2008/01/02 12:08:03 andy_seaborne Exp $
034: */
035: public class CardinalityQRestrictionImpl extends
036: QualifiedRestrictionImpl implements CardinalityQRestriction {
037: // Constants
038: //////////////////////////////////
039:
040: // Static variables
041: //////////////////////////////////
042:
043: /**
044: * A factory for generating QualifiedRestriction facets from nodes in enhanced graphs.
045: * Note: should not be invoked directly by user code: use
046: * {@link com.hp.hpl.jena.rdf.model.RDFNode#as as()} instead.
047: */
048: public static Implementation factory = new Implementation() {
049: public EnhNode wrap(Node n, EnhGraph eg) {
050: if (canWrap(n, eg)) {
051: return new CardinalityQRestrictionImpl(n, eg);
052: } else {
053: throw new ConversionException("Cannot convert node "
054: + n + " to CardinalityQRestriction");
055: }
056: }
057:
058: public boolean canWrap(Node node, EnhGraph eg) {
059: return isCardinalityQRestriction(node, eg);
060: }
061: };
062:
063: public static boolean isCardinalityQRestriction(Node node,
064: EnhGraph eg) {
065: // node will support being a QualifiedRestriction facet if it has rdf:type owl:Restriction or equivalent
066: Profile profile = (eg instanceof OntModel) ? ((OntModel) eg)
067: .getProfile() : null;
068: return (profile != null)
069: && profile.isSupported(node, eg,
070: CardinalityQRestriction.class);
071: }
072:
073: public boolean isValid() {
074: return isCardinalityQRestriction(asNode(), getGraph());
075: }
076:
077: // Instance variables
078: //////////////////////////////////
079:
080: /**
081: * <p>
082: * Construct a qualified restriction node represented by the given node in the given graph.
083: * </p>
084: *
085: * @param n The node that represents the resource
086: * @param g The enh graph that contains n
087: */
088: public CardinalityQRestrictionImpl(Node n, EnhGraph g) {
089: super (n, g);
090: }
091:
092: // Constructors
093: //////////////////////////////////
094:
095: // External signature methods
096: //////////////////////////////////
097:
098: /**
099: * <p>Assert that this restriction restricts the property to have the given
100: * cardinality. Any existing statements for <code>cardinalityQ</code>
101: * will be removed.</p>
102: * @param cardinality The cardinality of the restricted property
103: * @exception OntProfileException If the {@link Profile#CARDINALITY_Q()} property is not supported in the current language profile.
104: */
105: public void setCardinalityQ(int cardinality) {
106: setPropertyValue(getProfile().CARDINALITY_Q(), "CARDINALITY_Q",
107: getModel().createTypedLiteral(cardinality));
108: }
109:
110: /**
111: * <p>Answer the cardinality of the restricted property.</p>
112: * @return The cardinality of the restricted property
113: * @exception OntProfileException If the {@link Profile#CARDINALITY_Q()} property is not supported in the current language profile.
114: */
115: public int getCardinalityQ() {
116: return objectAsInt(getProfile().CARDINALITY_Q(),
117: "CARDINALITY_Q");
118: }
119:
120: /**
121: * <p>Answer true if this property restriction has the given cardinality.</p>
122: * @param cardinality The cardinality to test against
123: * @return True if the given cardinality is the cardinality of the restricted property in this restriction
124: * @exception OntProfileException If the {@link Profile#CARDINALITY_Q()} property is not supported in the current language profile.
125: */
126: public boolean hasCardinalityQ(int cardinality) {
127: return hasPropertyValue(getProfile().CARDINALITY_Q(),
128: "CARDINALITY_Q", getModel().createTypedLiteral(
129: cardinality));
130: }
131:
132: /**
133: * <p>Remove the statement that this restriction has the given cardinality
134: * for the restricted property. If this statement
135: * is not true of the current model, nothing happens.</p>
136: * @param cardinality A cardinality value to be removed from this restriction
137: * @exception OntProfileException If the {@link Profile#CARDINALITY_Q()} property is not supported in the current language profile.
138: */
139: public void removeCardinalityQ(int cardinality) {
140: removePropertyValue(getProfile().CARDINALITY_Q(),
141: "CARDINALITY_Q", getModel().createTypedLiteral(
142: cardinality));
143: }
144:
145: // Internal implementation methods
146: //////////////////////////////////
147:
148: //==============================================================================
149: // Inner class definitions
150: //==============================================================================
151:
152: }
153:
154: /*
155: * (c) Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008 Hewlett-Packard Development Company, LP
156: * All rights reserved.
157: *
158: * Redistribution and use in source and binary forms, with or without
159: * modification, are permitted provided that the following conditions
160: * are met:
161: * 1. Redistributions of source code must retain the above copyright
162: * notice, this list of conditions and the following disclaimer.
163: * 2. Redistributions in binary form must reproduce the above copyright
164: * notice, this list of conditions and the following disclaimer in the
165: * documentation and/or other materials provided with the distribution.
166: * 3. The name of the author may not be used to endorse or promote products
167: * derived from this software without specific prior written permission.
168: *
169: * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
170: * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
171: * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
172: * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
173: * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
174: * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
175: * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
176: * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
177: * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
178: * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
179: */
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