Package org.ametys.odf.observation

Class IndexSharedPropertyOnHierarchyChangedObserver

java.lang.Object

org.ametys.runtime.plugin.component.AbstractLogEnabled

org.ametys.odf.observation.IndexSharedPropertyOnHierarchyChangedObserver

All Implemented Interfaces:

AsyncObserver, Observer, LogEnabled, Serviceable

public class IndexSharedPropertyOnHierarchyChangedObserver
extends AbstractLogEnabled
implements AsyncObserver, Serviceable

Observer when a educational path is no more valid after moving or removing a program item in ODF tree

Field Summary

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

MAX_PRIORITY, MIN_PRIORITY

Constructor Summary

Constructors

Constructor	Description
IndexSharedPropertyOnHierarchyChangedObserver()

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 ProgramItem	getProgramItem(Event event)	Get the ProgramItem concerned by this event
void	observe(Event event, Map<String,Object> transientVars)	Observes an event.
void	service(ServiceManager smanager)
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

Methods inherited from interface org.ametys.core.observation.AsyncObserver

parallelizable

Constructor Details

IndexSharedPropertyOnHierarchyChangedObserver

public IndexSharedPropertyOnHierarchyChangedObserver()

Method Details

service

public void service(ServiceManager smanager)
             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.

getProgramItem

protected ProgramItem getProgramItem(Event event)

Get the ProgramItem concerned by this event

Parameters:

event - the event

Returns:

the program item content or null