OWLOntologyChangeFilter (The OWL API)

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org.semanticweb.owlapi.util
Class OWLOntologyChangeFilter

java.lang.Object
  org.semanticweb.owlapi.util.OWLOntologyChangeFilter

All Implemented Interfaces:: OWLAnnotationAxiomVisitor, OWLAxiomVisitor

Direct Known Subclasses:: FilteringOWLOntologyChangeListener

public class OWLOntologyChangeFilter
extends java.lang.Object
implements OWLAxiomVisitor
extends java.lang.Object
implements OWLAxiomVisitor

Author: Matthew Horridge
The University Of Manchester
Bio-Health Informatics Group
Date: 17-Dec-2006

Provides a convenient method to filter add/remove axiom changes based on the type of axiom that is being added or removed from an ontology.

The general pattern of use is to simply create an instance of the OWLOntologyChangeFilter and override the appropriate visit methods corresponding to the types of axioms that are of interest. Each visit corresponds to a single change and the isAdd or isRemove methods can be used to determine if the axiom corresponding to the change is being added or removed from an ontology - the ontology can be obtained via the getOntology method.

Example: Suppose we are interested in changes that alter the domain of an object property. We receive a list of changes, ontChanges, from an ontology change listener. We can use the OWLOntologyChangeFilter to filter out the changes that alter the domain of an object property in the following way:

 OWLOntologyChangeFilter filter = new OWLOntologyChangeFilter() {
 
      // Override the object property domain visit method
      public void visit(OWLObjectPropertyDomainAxiom axiom) {
          // Determine if the axiom is being added or removed
          if(isAdd()) {
              // Get hold of the ontology that the change applied to
              OWLOntology ont = getOntology();
              // Do something here
          }
      }
 }
 // Process the list of changes
 filter.processChanges(ontChanges);

Constructor Summary
`OWLOntologyChangeFilter()`

Method Summary
`protected OWLOntology`	`getOntology()` Gets the ontology which the current change being visited was applied to.
`protected boolean`	`isAdd()` Determines if the current change caused an axiom to be added to an ontology.
`protected boolean`	`isRemove()` Determines if the current change caused an axiom to be removed from an ontology.
`void`	`processChanges(java.util.List<? extends OWLOntologyChange> changes)`
`void`	`visit(OWLAnnotationAssertionAxiom axiom)`
`void`	`visit(OWLAnnotationPropertyDomainAxiom axiom)`
`void`	`visit(OWLAnnotationPropertyRangeAxiom axiom)`
`void`	`visit(OWLAsymmetricObjectPropertyAxiom axiom)`
`void`	`visit(OWLClassAssertionAxiom axiom)`
`void`	`visit(OWLDataPropertyAssertionAxiom axiom)`
`void`	`visit(OWLDataPropertyDomainAxiom axiom)`
`void`	`visit(OWLDataPropertyRangeAxiom axiom)`
`void`	`visit(OWLDatatypeDefinitionAxiom axiom)`
`void`	`visit(OWLDeclarationAxiom axiom)`
`void`	`visit(OWLDifferentIndividualsAxiom axiom)`
`void`	`visit(OWLDisjointClassesAxiom axiom)`
`void`	`visit(OWLDisjointDataPropertiesAxiom axiom)`
`void`	`visit(OWLDisjointObjectPropertiesAxiom axiom)`
`void`	`visit(OWLDisjointUnionAxiom axiom)`
`void`	`visit(OWLEquivalentClassesAxiom axiom)`
`void`	`visit(OWLEquivalentDataPropertiesAxiom axiom)`
`void`	`visit(OWLEquivalentObjectPropertiesAxiom axiom)`
`void`	`visit(OWLFunctionalDataPropertyAxiom axiom)`
`void`	`visit(OWLFunctionalObjectPropertyAxiom axiom)`
`void`	`visit(OWLHasKeyAxiom axiom)`
`void`	`visit(OWLImportsDeclaration axiom)`
`void`	`visit(OWLInverseFunctionalObjectPropertyAxiom axiom)`
`void`	`visit(OWLInverseObjectPropertiesAxiom axiom)`
`void`	`visit(OWLIrreflexiveObjectPropertyAxiom axiom)`
`void`	`visit(OWLNegativeDataPropertyAssertionAxiom axiom)`
`void`	`visit(OWLNegativeObjectPropertyAssertionAxiom axiom)`
`void`	`visit(OWLObjectPropertyAssertionAxiom axiom)`
`void`	`visit(OWLObjectPropertyDomainAxiom axiom)`
`void`	`visit(OWLObjectPropertyRangeAxiom axiom)`
`void`	`visit(OWLReflexiveObjectPropertyAxiom axiom)`
`void`	`visit(OWLSameIndividualAxiom axiom)`
`void`	`visit(OWLSubAnnotationPropertyOfAxiom axiom)`
`void`	`visit(OWLSubClassOfAxiom axiom)`
`void`	`visit(OWLSubDataPropertyOfAxiom axiom)`
`void`	`visit(OWLSubObjectPropertyOfAxiom axiom)`
`void`	`visit(OWLSubPropertyChainOfAxiom axiom)`
`void`	`visit(OWLSymmetricObjectPropertyAxiom axiom)`
`void`	`visit(OWLTransitiveObjectPropertyAxiom axiom)`
`void`	`visit(SWRLRule rule)`

Methods inherited from class java.lang.Object
`clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait`

Constructor Detail