edu.cornell.mannlib.vitro.webapp.dao.jena

Class CumulativeDeltaModeler

java.lang.Object

org.apache.jena.rdf.listeners.StatementListener

edu.cornell.mannlib.vitro.webapp.dao.jena.CumulativeDeltaModeler

All Implemented Interfaces:

org.apache.jena.rdf.model.ModelChangedListener

public class CumulativeDeltaModeler
extends org.apache.jena.rdf.listeners.StatementListener

This ModelChangedListener will accumulate all statements added to or removed from the audited model in an additions model and a retractions model. Note that this class attempts to be clever. If a statement is retracted that is already in the additions model, the statement will be removed from the additions model and not added to the retractions model. in this object.

Author:

bjl23

Constructor Summary

Constructors

Constructor and Description
CumulativeDeltaModeler()
CumulativeDeltaModeler(org.apache.jena.rdf.model.Model model)
CumulativeDeltaModeler(org.apache.jena.ontology.OntModel ontModel)

Method Summary

Modifier and Type	Method and Description
void	addedStatement(org.apache.jena.rdf.model.Statement s)
org.apache.jena.rdf.model.Model	getAdditions() Return a model containing all statements added to the attached model
org.apache.jena.rdf.model.Model	getRetractions() Return a model containing all statements retracted from the attached model
void	removedStatement(org.apache.jena.rdf.model.Statement s)

Methods inherited from class org.apache.jena.rdf.listeners.StatementListener

addedStatements, addedStatements, addedStatements, addedStatements, notifyEvent, removedStatements, removedStatements, removedStatements, removedStatements

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

CumulativeDeltaModeler

public CumulativeDeltaModeler()

CumulativeDeltaModeler

public CumulativeDeltaModeler(org.apache.jena.rdf.model.Model model)

CumulativeDeltaModeler

public CumulativeDeltaModeler(org.apache.jena.ontology.OntModel ontModel)

Method Detail

getAdditions

public org.apache.jena.rdf.model.Model getAdditions()

Return a model containing all statements added to the attached model

Returns:

additionsModel

getRetractions

public org.apache.jena.rdf.model.Model getRetractions()

Return a model containing all statements retracted from the attached model

Returns:

retractionsModel

addedStatement

public void addedStatement(org.apache.jena.rdf.model.Statement s)

Specified by:

addedStatement in interface org.apache.jena.rdf.model.ModelChangedListener

Overrides:

addedStatement in class org.apache.jena.rdf.listeners.StatementListener

removedStatement

public void removedStatement(org.apache.jena.rdf.model.Statement s)

Specified by:

removedStatement in interface org.apache.jena.rdf.model.ModelChangedListener

Overrides:

removedStatement in class org.apache.jena.rdf.listeners.StatementListener