AfterGroupObserverList

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de.dante.extex.interpreter.context.observer.group
Class AfterGroupObserverList

java.lang.Object
  de.dante.extex.interpreter.context.observer.group.AfterGroupObserverList

This class provides a type-safe list of observers for the group close event.

Constructor Summary
`AfterGroupObserverList()`

Method Summary
`void`	`add(AfterGroupObserver observer)` Add an observer to the list.
`static AfterGroupObserver`	`register(AfterGroupObserver list, AfterGroupObserver observer)` Take a list and add an observer.
`void`	`update()` Invoke all observers on the list to inform them that a group has just been closed.

Methods inherited from class java.lang.Object

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

Constructor Detail

public AfterGroupObserverList()

Method Detail

public static AfterGroupObserver register(AfterGroupObserver list,
                                          AfterGroupObserver observer)

Take a list and add an observer. If the list is null then a new one is created.

Parameters:: list - the input list or null; observer - the observer to add
Returns:: the input list or a new one with the observer added

public void add(AfterGroupObserver observer)

Add an observer to the list.

public void update()

Invoke all observers on the list to inform them that a group has just been closed.