org.ametys.web.cache.pageelement

Class InvalidatePageElementCacheOnPageACLUpdateListener

java.lang.Object

org.apache.avalon.framework.logger.AbstractLogEnabled

org.ametys.web.cache.pageelement.InvalidatePageElementCacheOnPageACLUpdateListener

All Implemented Interfaces:

Observer, LogEnabled, Serviceable

public class InvalidatePageElementCacheOnPageACLUpdateListener
extends AbstractLogEnabled
implements Observer, Serviceable

Clear zone item cache on contents when a page's access is updated.

Field Summary

Fields

Modifier and Type	Field and Description
private PageElementCache	_zoneItemCache

Fields inherited from interface org.ametys.core.observation.Observer

MAX_PRIORITY, MIN_PRIORITY

Constructor Summary

Constructors

Constructor and Description
InvalidatePageElementCacheOnPageACLUpdateListener()

Method Summary

Modifier and Type	Method and Description
int	getPriority(Event event) Retrieves the priority to observe this event. This can be used to process a supported event before others observers.
void	observe(Event event, Map<String,Object> transientVars) Observes an event.
void	service(ServiceManager manager)
boolean	supports(Event event) Checks if the event is supported.

Methods inherited from class org.apache.avalon.framework.logger.AbstractLogEnabled

enableLogging, getLogger, setupLogger, setupLogger, setupLogger

Methods inherited from class java.lang.Object

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

Field Detail

_zoneItemCache

private PageElementCache _zoneItemCache

Constructor Detail

InvalidatePageElementCacheOnPageACLUpdateListener

public InvalidatePageElementCacheOnPageACLUpdateListener()

Method Detail

service

public void service(ServiceManager manager)
             throws ServiceException

Specified by:

service in interface Serviceable

Throws:

ServiceException

supports

public boolean supports(Event event)

Description copied from interface: Observer

Checks if the event is supported. If true, the observe(Event) method will be called.

Specified by:

supports in interface Observer

Parameters:

event - the event.

Returns:

true for observing this event, false otherwise.

getPriority

public int getPriority(Event event)

Description copied from interface: Observer

Retrieves the priority to observe this event.
This can be used to process a supported event before others observers.

Specified by:

getPriority in interface Observer

Parameters:

event - the event.

Returns:

the priority where 0 the max priority and Integer.MAX_VALUE the min priority.

observe

public void observe(Event event,
                    Map<String,Object> transientVars)
             throws Exception

Description copied from interface: Observer

Observes an event.

Specified by:

observe in interface Observer

Parameters:

event - the event.

transientVars - transientVars passed from one Observer to another when processing a single Event. This may allow optimizations between observers.

Throws:

Exception - if an error occurs. All exceptions will be logged but not propagated, as the observation mechanism should never fail.