Package org.ametys.web.cache

Class InvalidatePageCacheExplorerObserver

java.lang.Object

org.ametys.runtime.plugin.component.AbstractLogEnabled

org.ametys.web.cache.InvalidatePageCacheExplorerObserver

All Implemented Interfaces:

Observer, LogEnabled, Serviceable

public class InvalidatePageCacheExplorerObserver
extends AbstractLogEnabled
implements Observer, Serviceable

Invalidate the page cache based on explorer events.

Field Summary

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

MAX_PRIORITY, MIN_PRIORITY

Constructor Summary

Constructors

Constructor	Description
InvalidatePageCacheExplorerObserver()

Method Summary

Modifier and Type	Method	Description
int	getPriority(Event event)	Retrieves the priority to observe this event. This can be used to process a supported event before others observers.
protected String	getSiteName(Event event)	Get the origin of the event.
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.ametys.runtime.plugin.component.AbstractLogEnabled

getLogger, setLogger

Methods inherited from class java.lang.Object

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

Constructor Details

InvalidatePageCacheExplorerObserver

public InvalidatePageCacheExplorerObserver()

Method Details

service

public void service(ServiceManager manager)
             throws ServiceException

Specified by:

service in interface Serviceable

Throws:

ServiceException

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.

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.

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.

getSiteName

protected String getSiteName(Event event)

Get the origin of the event.

Parameters:

event - the event.

Returns:

the origin site name.