negativeconstraint.java

toocom源代码,主要应用在本体匹配方面!

package toocom.ocgl;

import java.util.*;
import java.io.IOException;

/**
 * This class represents the CG negative constraints.
 * 
 * @author Fr閐閞ic F黵st
 */
 public class NegativeConstraint extends Constraint{
 	
 	public NegativeConstraint(Terms t){
 		super(t);
 	}
 	
 	/** Constructs a negative constraint with the terms of the given implication and with
 	 *  concepts and relations that appear in the given implication. */
 	public NegativeConstraint(ConceptualImplication ci){
 		super(ci.getTerms());
 		this.hypothesisConcepts = ci.getHypothesisConcepts();
		this.conclusionConcepts = ci.getPureConclusionConcepts();
		this.hypothesisRelations = ci.getHypothesisRelations();
		this.conclusionRelations = ci.getConclusionRelations();
 	}
 	
 	private Graph getGraphForm(){
 		Graph result = new Graph(this.getTerms());
 		Hashtable conceptLink = new Hashtable();
 		for(Iterator i = this.getAllConcepts().iterator();i.hasNext();){
			Concept c = (Concept) i.next();
			Concept cBis = c.cloneConcept();
			result.addConcept(cBis);
			conceptLink.put(c,cBis);
		}
		for(Iterator i = this.getAllRelations().iterator();i.hasNext();){
			Relation r = (Relation) i.next();
			Relation rBis = r.cloneRelation();
			for(int index = 1;index <= rBis.getType().getArity();index ++){
				Concept cTemp = r.getLinkedConcept(index);
				if(cTemp != null){
					rBis.setLinkedConcept((Concept) conceptLink.get(cTemp),index);
				}
			}	
			result.addRelation(rBis);
		}
		return result;
 	}
 	
 	/** Returns the list of projections in the graph that break the constraint. */
 	public LinkedList getConstraintProjections(Graph g,CogitantClient client,Ontology onto,Language l) throws IOException{
 		return client.getGraphProjections(onto,this.getGraphForm(),g,l);
 	}
 	
 }