org.fcrepo.kernel.impl.utils

Class JcrPropertyStatementListener

java.lang.Object

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

org.fcrepo.kernel.impl.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.

Author:

awoods

Constructor Summary

Constructors

Constructor and Description
JcrPropertyStatementListener(IdentifierConverter<com.hp.hpl.jena.rdf.model.Resource,FedoraResource> idTranslator, JcrRdfTools jcrRdfTools) Construct a statement listener within the given session
JcrPropertyStatementListener(IdentifierConverter<com.hp.hpl.jena.rdf.model.Resource,FedoraResource> idTranslator, javax.jcr.Session session) Construct a statement listener within the given session

Method Summary

Modifier and Type	Method and Description
void	addedStatement(com.hp.hpl.jena.rdf.model.Statement input) When a statement is added to the graph, serialize it to a JCR property
void	assertNoExceptions() Assert that no exceptions were thrown while this listener was processing change
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

Constructor Detail

JcrPropertyStatementListener

public JcrPropertyStatementListener(IdentifierConverter<com.hp.hpl.jena.rdf.model.Resource,FedoraResource> idTranslator,
                                    javax.jcr.Session session)

Construct a statement listener within the given session

Parameters:

idTranslator - the id translator

session - the session

JcrPropertyStatementListener

public JcrPropertyStatementListener(IdentifierConverter<com.hp.hpl.jena.rdf.model.Resource,FedoraResource> idTranslator,
                                    JcrRdfTools jcrRdfTools)

Construct a statement listener within the given session

Parameters:

idTranslator - the id translator

jcrRdfTools - the jcr rdf tools

Method Detail

addedStatement

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

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:

input - the input statement

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 - the given statement

assertNoExceptions

public void assertNoExceptions()
                        throws MalformedRdfException,
                               javax.jcr.AccessDeniedException

Assert that no exceptions were thrown while this listener was processing change

Throws:

MalformedRdfException - if malformed rdf exception occurred

javax.jcr.AccessDeniedException - if access denied exception occurred