InvalidateZoneItemCacheOnServiceModificationObserver (Ametys 4.5.x - API)

java.lang.Object
- org.apache.avalon.framework.logger.AbstractLogEnabled
- - org.ametys.web.cache.zoneitem.AbstractZoneItemCacheObserver
  - - org.ametys.web.cache.zoneitem.InvalidateZoneItemCacheOnServiceModificationObserver

All Implemented Interfaces:

Observer, LogEnabled, Serviceable
```
public class InvalidateZoneItemCacheOnServiceModificationObserver
extends AbstractZoneItemCacheObserver
```
Removes a single service from the cache when its parameters have changed.

Field Summary
- Fields inherited from class org.ametys.web.cache.zoneitem.AbstractZoneItemCacheObserver
  _zoneItemCache
- Fields inherited from interface org.ametys.core.observation.Observer
  MAX_PRIORITY, MIN_PRIORITY

Constructor Summary

Constructors
Constructor Description

InvalidateZoneItemCacheOnServiceModificationObserver()

Method Summary

All Methods Instance Methods Concrete Methods
Modifier and Type	Method	Description
`void`	`observe(Event event, Map<String,Object> transientVars)`	Observes an event.
`boolean`	`supports(Event event)`	Checks if the event is supported.

Methods inherited from class org.ametys.web.cache.zoneitem.AbstractZoneItemCacheObserver
getPriority, service

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

- Constructor Detail
  - InvalidateZoneItemCacheOnServiceModificationObserver
```
public InvalidateZoneItemCacheOnServiceModificationObserver()
```
- Method Detail
  - 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.
    
    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.
    
    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.