Package org.ametys.odf.observation

Class EducationalPathRemovedObserver

java.lang.Object

org.ametys.runtime.plugin.component.AbstractLogEnabled

org.ametys.odf.observation.EducationalPathRemovedObserver

All Implemented Interfaces:

AsyncObserver, Observer, LogEnabled, Serviceable

public class EducationalPathRemovedObserver
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

Modifier and Type	Field	Description
protected EducationalPathHelper	_educationalPathHelper	The educational path helper
protected ODFHelper	_odfHelper	The oDF helper
protected AmetysObjectResolver	_resolver	The Ametys object resolver

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

MAX_PRIORITY, MIN_PRIORITY

Constructor Summary

Constructors

Constructor	Description
EducationalPathRemovedObserver()

Method Summary

Modifier and Type	Method	Description
protected List<String>	getNewParentProgramItemIds(Event event)	Get the ProgramItem concerned by this event
protected String	getOldParentProgramItemId(Event event)	Get the ProgramItem concerned by this event
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

Field Details

_educationalPathHelper

protected EducationalPathHelper _educationalPathHelper

The educational path helper

_odfHelper

protected ODFHelper _odfHelper

The oDF helper

_resolver

protected AmetysObjectResolver _resolver

The Ametys object resolver

Constructor Details

EducationalPathRemovedObserver

public EducationalPathRemovedObserver()

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

getOldParentProgramItemId

protected String getOldParentProgramItemId(Event event)

Get the ProgramItem concerned by this event

Parameters:

event - the event

Returns:

the program item content or null

getNewParentProgramItemIds

protected List<String> getNewParentProgramItemIds(Event event)

Get the ProgramItem concerned by this event

Parameters:

event - the event

Returns:

the program item content or null