Package org.ametys.plugins.pagesubscription.observation

Class RemoveSubscriptionOnPageDeletedObserver

java.lang.Object

org.ametys.runtime.plugin.component.AbstractLogEnabled

org.ametys.plugins.pagesubscription.observation.RemoveSubscriptionOnPageDeletedObserver

All Implemented Interfaces:

Observer, LogEnabled, Contextualizable, Serviceable

public class RemoveSubscriptionOnPageDeletedObserver
extends AbstractLogEnabled
implements Observer, Serviceable, Contextualizable

Observer to unsubscribe to a page when the page is deleted

Field Summary

Fields

Modifier and Type	Field	Description
protected Context	_context	The context
protected AmetysObjectResolver	_resolver	The ametys object resolver
protected SubscriptionTypeExtensionPoint	_subscriptionTypeEP	The subscription type extension point

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

MAX_PRIORITY, MIN_PRIORITY

Constructor Summary

Constructors

Constructor	Description
RemoveSubscriptionOnPageDeletedObserver()

Method Summary

Modifier and Type	Method	Description
void	contextualize(Context context)
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.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

Field Details

_resolver

protected AmetysObjectResolver _resolver

The ametys object resolver

_subscriptionTypeEP

protected SubscriptionTypeExtensionPoint _subscriptionTypeEP

The subscription type extension point

_context

protected Context _context

The context

Constructor Details

RemoveSubscriptionOnPageDeletedObserver

public RemoveSubscriptionOnPageDeletedObserver()

Method Details

service

public void service(ServiceManager manager)
             throws ServiceException

Specified by:

service in interface Serviceable

Throws:

ServiceException

contextualize

public void contextualize(Context context)
                   throws ContextException

Specified by:

contextualize in interface Contextualizable

Throws:

ContextException

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.