org.fcrepo.kernel.utils

Class JcrPropertyStatementListener

java.lang.Object

com.hp.hpl.jena.rdf.listeners.StatementListener

org.fcrepo.kernel.utils.JcrPropertyStatementListener

All Implemented Interfaces:

com.hp.hpl.jena.rdf.model.ModelChangedListener

public class JcrPropertyStatementListener
extends com.hp.hpl.jena.rdf.listeners.StatementListener

Listen to Jena statement events, and when the statement is changed in the graph store, make the change within JCR as well.

Method Summary

Methods

Modifier and Type	Method and Description
void	addedStatement(com.hp.hpl.jena.rdf.model.Statement s) When a statement is added to the graph, serialize it to a JCR property
static JcrPropertyStatementListener	getListener(org.fcrepo.kernel.rdf.IdentifierTranslator subjects, javax.jcr.Session session, com.hp.hpl.jena.rdf.model.Model problemModel) Return a Listener given the subject factory and JcrSession.
com.hp.hpl.jena.rdf.model.Model	getProblems() Get a list of any problems from trying to apply the statement changes to the node's properties
void	removedStatement(com.hp.hpl.jena.rdf.model.Statement s) When a statement is removed, remove it from the JCR properties

Methods inherited from class com.hp.hpl.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

Method Detail

getListener

public static JcrPropertyStatementListener getListener(org.fcrepo.kernel.rdf.IdentifierTranslator subjects,
                                       javax.jcr.Session session,
                                       com.hp.hpl.jena.rdf.model.Model problemModel)

Return a Listener given the subject factory and JcrSession.

Parameters:

subjects -

session -

problemModel -

Returns:

addedStatement

public void addedStatement(com.hp.hpl.jena.rdf.model.Statement s)

When a statement is added to the graph, serialize it to a JCR property

Specified by:

addedStatement in interface com.hp.hpl.jena.rdf.model.ModelChangedListener

Overrides:

addedStatement in class com.hp.hpl.jena.rdf.listeners.StatementListener

Parameters:

s -

removedStatement

public void removedStatement(com.hp.hpl.jena.rdf.model.Statement s)

When a statement is removed, remove it from the JCR properties

Specified by:

removedStatement in interface com.hp.hpl.jena.rdf.model.ModelChangedListener

Overrides:

removedStatement in class com.hp.hpl.jena.rdf.listeners.StatementListener

Parameters:

s -

getProblems

public com.hp.hpl.jena.rdf.model.Model getProblems()

Get a list of any problems from trying to apply the statement changes to the node's properties

Returns: