[DL-Learner SVN] SF.net SVN: dl-learner:[3991] trunk/components-core/src/main/java/org/ dllearner/core/owl/ClassHierarchy.java

[<lor...@us...>]

Revision: 3991
          http://sourceforge.net/p/dl-learner/code/3991
Author:   lorenz_b
Date:     2013-06-12 09:00:36 +0000 (Wed, 12 Jun 2013)
Log Message:
-----------
Added methods to export class hierarchy as set of axioms.

Modified Paths:
--------------
    trunk/components-core/src/main/java/org/dllearner/core/owl/ClassHierarchy.java

Modified: trunk/components-core/src/main/java/org/dllearner/core/owl/ClassHierarchy.java
===================================================================
--- trunk/components-core/src/main/java/org/dllearner/core/owl/ClassHierarchy.java	2013-06-12 08:59:59 UTC (rev 3990)
+++ trunk/components-core/src/main/java/org/dllearner/core/owl/ClassHierarchy.java	2013-06-12 09:00:36 UTC (rev 3991)
@@ -28,6 +28,8 @@
 
 import org.apache.log4j.Logger;
 import org.dllearner.utilities.owl.ConceptComparator;
+import org.dllearner.utilities.owl.OWLAPIConverter;
+import org.semanticweb.owlapi.model.OWLAxiom;
 
 /**
  * Represents a subsumption hierarchy (ignoring equivalent concepts).
@@ -381,6 +383,31 @@
 		return new ClassHierarchy(subsumptionHierarchyUpNew, subsumptionHierarchyDownNew);
 	}
 	
+	public Set<Axiom> toAxioms(){
+		return toAxioms(Thing.instance);
+	}
+	
+	public Set<OWLAxiom> toOWLAPIAxioms(){
+		Set<OWLAxiom> owlAxioms = new HashSet<OWLAxiom>();
+		Set<Axiom> axioms = toAxioms();
+		for(Axiom axiom : axioms){
+			owlAxioms.add(OWLAPIConverter.getOWLAPIAxiom(axiom));
+		}
+		return owlAxioms;
+	}
+	
+	public Set<Axiom> toAxioms(Description concept){
+		Set<Axiom> axioms = new HashSet<Axiom>();
+		Set<Description> subConcepts = subsumptionHierarchyDown.get(concept);
+		if (subConcepts != null) {
+			for (Description sub : subConcepts){
+				axioms.add(new SubClassAxiom(sub, concept));
+				axioms.addAll(toAxioms(sub));
+			}
+		}
+		return axioms;
+	}
+	
 	/**
 	 * Checks whether the description is contained in the hierarchy.
 	 * @param description

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