net.sf.basedb.util.extensions.events
Class CombiningEventFilter

java.lang.Object
  net.sf.basedb.util.extensions.events.CombiningEventFilter

All Implemented Interfaces:

EventFilter

public class CombiningEventFilter
extends Object
implements EventFilter

Event filter that only passes on events based on multiple other event filters. Given a collection of event filters, this filter can pass on the event if at least one of the filters in the collection does or if all of them does.

Version:

2.8

Author:

nicklas

Last modified

$Date: 2008-09-11 22:08:14 +0200 (Thu, 11 Sep 2008) $

Field Summary

private boolean	allMustPass
private Collection<EventFilter>	filters

Constructor Summary

CombiningEventFilter(Collection<EventFilter> filters, boolean allMustPass)
Create a new combining event filter.

Method Summary

boolean

shouldSend(EventType event, ExtensionPoint<?> extensionPoint, Extension<?> extension) Determine if the event should be sent to the event handler or not.

Methods inherited from class java.lang.Object

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

Field Detail

filters

private final Collection<EventFilter> filters

allMustPass

private final boolean allMustPass

Constructor Detail

CombiningEventFilter

public CombiningEventFilter(Collection<EventFilter> filters,
                            boolean allMustPass)

Create a new combining event filter. This filter will pass events depending on how many of the other event filters passes the event.

Parameters:

filters - A collection of event filters

allMustPass - TRUE if the event must pass all filters to pass this filter, FALSE if the event must pass at least one filter to pass this filter

Method Detail

shouldSend

public boolean shouldSend(EventType event,
                          ExtensionPoint<?> extensionPoint,
                          Extension<?> extension)

Description copied from interface: EventFilter

Determine if the event should be sent to the event handler or not.

Specified by:

shouldSend in interface EventFilter

Parameters:

event - The event that happend

extensionPoint - The extension point that the extension extends, or that the event happened to

extension - The extension the event happend to, or null if the event happended to the extension point

Returns:

TRUE if the event passes the filters