org.fcrepo.kernel.observer

Class DefaultFilter

java.lang.Object

org.fcrepo.kernel.observer.DefaultFilter

All Implemented Interfaces:

com.google.common.base.Predicate<javax.jcr.observation.Event>, EventFilter

public class DefaultFilter
extends Object
implements EventFilter

EventFilter that passes only events emitted from nodes with a Fedora JCR type, or properties attached to them.

Author:

eddies, escowles

Constructor Summary

Constructors

Constructor and Description
DefaultFilter()

Method Summary

Methods

Modifier and Type	Method and Description
void	acquireSession() Initialize a long-running read-only JCR session to use for filtering events
boolean	apply(javax.jcr.observation.Event event) Filter observer events to only include events on a FedoraObject or Datastream, or properties of an FedoraObject or Datastream.
void	releaseSession() Log-out of the read-only JCR session before destroying the filter.

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.google.common.base.Predicate

equals

Constructor Detail

DefaultFilter

public DefaultFilter()

Method Detail

apply

public boolean apply(javax.jcr.observation.Event event)

Filter observer events to only include events on a FedoraObject or Datastream, or properties of an FedoraObject or Datastream.

Specified by:

apply in interface com.google.common.base.Predicate<javax.jcr.observation.Event>

Parameters:

event - the original event

Returns:

acquireSession

@PostConstruct
public void acquireSession()
                    throws javax.jcr.RepositoryException

Initialize a long-running read-only JCR session to use for filtering events

Throws:

javax.jcr.RepositoryException

releaseSession

@PreDestroy
public void releaseSession()

Log-out of the read-only JCR session before destroying the filter.