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Jena is a Java framework for building Semantic Web applications. It provides a programmatic environment for RDF, RDFS and OWL, SPARQL and includes a rule-based inference engine.
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/*****************************************************************************
* Source code information
* -----------------------
* Original author Ian Dickinson, HP Labs Bristol
* Author email [email protected]
* Package Jena 2
* Web http://sourceforge.net/projects/jena/
* Created 08-Sep-2003
* Filename $RCSfile: MinCardinalityQRestrictionImpl.java,v $
* Revision $Revision: 1.2 $
* Release status $State: Exp $
*
* Last modified on $Date: 2009/10/06 13:04:42 $
* by $Author: ian_dickinson $
*
* (c) Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Hewlett-Packard Development Company, LP
* [See end of file]
*****************************************************************************/
// Package
///////////////
package com.hp.hpl.jena.ontology.impl;
// Imports
///////////////
import com.hp.hpl.jena.enhanced.*;
import com.hp.hpl.jena.graph.*;
import com.hp.hpl.jena.ontology.*;
/**
*
* Implementation of the min qualified cardinality restriction
*
*
* @author Ian Dickinson, HP Labs
* (email)
* @version CVS $Id: MinCardinalityQRestrictionImpl.java,v 1.2 2009/10/06 13:04:42 ian_dickinson Exp $
*/
public class MinCardinalityQRestrictionImpl
extends QualifiedRestrictionImpl
implements MinCardinalityQRestriction
{
// Constants
//////////////////////////////////
// Static variables
//////////////////////////////////
/**
* A factory for generating QualifiedRestriction facets from nodes in enhanced graphs.
* Note: should not be invoked directly by user code: use
* {@link com.hp.hpl.jena.rdf.model.RDFNode#as as()} instead.
*/
@SuppressWarnings("hiding")
public static Implementation factory = new Implementation() {
@Override
public EnhNode wrap( Node n, EnhGraph eg ) {
if (canWrap( n, eg )) {
return new MinCardinalityQRestrictionImpl( n, eg );
}
else {
throw new ConversionException( "Cannot convert node " + n + " to MinCardinalityQRestriction");
}
}
@Override
public boolean canWrap( Node node, EnhGraph eg )
{ return isMinCardinalityQRestriction( node, eg ); }
};
public static boolean isMinCardinalityQRestriction( Node node, EnhGraph eg )
{
// node will support being a QualifiedRestriction facet if it has rdf:type owl:Restriction or equivalent
Profile profile = (eg instanceof OntModel) ? ((OntModel) eg).getProfile() : null;
return (profile != null) && profile.isSupported( node, eg, MinCardinalityQRestriction.class );
}
@Override
public boolean isValid()
{ return super.isValid() && isMinCardinalityQRestriction( asNode(), getGraph() ); }
// Instance variables
//////////////////////////////////
/**
*
* Construct a qualified restriction node represented by the given node in the given graph.
*
*
* @param n The node that represents the resource
* @param g The enh graph that contains n
*/
public MinCardinalityQRestrictionImpl( Node n, EnhGraph g ) {
super( n, g );
}
// Constructors
//////////////////////////////////
// External signature methods
//////////////////////////////////
/**
* Assert that this restriction restricts the property to have the given
* min cardinality. Any existing statements for cardinalityQ
* will be removed.
* @param cardinality The cardinality of the restricted property
* @exception OntProfileException If the {@link Profile#MIN_CARDINALITY_Q()} property is not supported in the current language profile.
*/
public void setMinCardinalityQ( int cardinality ) {
setPropertyValue( getProfile().MIN_CARDINALITY_Q(), "MIN_CARDINALITY_Q", getModel().createTypedLiteral( cardinality ) );
}
/**
* Answer the cardinality of the restricted property.
* @return The cardinality of the restricted property
* @exception OntProfileException If the {@link Profile#MIN_CARDINALITY_Q()} property is not supported in the current language profile.
*/
public int getMinCardinalityQ() {
return objectAsInt( getProfile().MIN_CARDINALITY_Q(), "MIN_CARDINALITY_Q" );
}
/**
* Answer true if this property restriction has the given cardinality.
* @param cardinality The cardinality to test against
* @return True if the given cardinality is the cardinality of the restricted property in this restriction
* @exception OntProfileException If the {@link Profile#MIN_CARDINALITY_Q()} property is not supported in the current language profile.
*/
public boolean hasMinCardinalityQ( int cardinality ) {
return hasPropertyValue( getProfile().MIN_CARDINALITY_Q(), "MIN_CARDINALITY_Q", getModel().createTypedLiteral( cardinality ) );
}
/**
* Remove the statement that this restriction has the given cardinality
* for the restricted property. If this statement
* is not true of the current model, nothing happens.
* @param cardinality A cardinality value to be removed from this restriction
* @exception OntProfileException If the {@link Profile#MIN_CARDINALITY_Q()} property is not supported in the current language profile.
*/
public void removeMinCardinalityQ( int cardinality ) {
removePropertyValue( getProfile().MIN_CARDINALITY_Q(), "MIN_CARDINALITY_Q", getModel().createTypedLiteral( cardinality ) );
}
// Internal implementation methods
//////////////////////////////////
//==============================================================================
// Inner class definitions
//==============================================================================
}
/*
* (c) Copyright 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009 Hewlett-Packard Development Company, LP
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/