CallbackRegistry

public class CallbackRegistry
extends Object implements Cloneable

Known Direct Subclasses ListChangeRegistry,MapChangeRegistry,PropertyChangeRegistry ListChangeRegistry Utility class for managing ObservableList callbacks.  MapChangeRegistry Utility class for managing ObservableMap callbacks.  PropertyChangeRegistry Utility class for managing Observable callbacks.

A utility for storing and notifying callbacks. This class supports reentrant modification of the callbacks during notification without adversely disrupting notifications. A common pattern for callbacks is to receive a notification and then remove themselves. This class handles this behavior with constant memory under most circumstances.

A subclass of CallbackRegistry.NotifierCallback must be passed to the constructor to define how notifications should be called. That implementation does the actual notification on the listener. It is typically a static instance that can be reused for all similar CallbackRegistries.

This class supports only callbacks with at most three parameters. Typically, these are the notification originator and a parameter, with another to indicate which method to call, but these may be used as required. If more than three parameters are required or primitive types other than the single int provided must be used, A should be some kind of containing structure that the subclass may reuse between notifications.

Summary

Inherited methods
From class java.lang.Object Object clone() boolean equals(Object arg0) void finalize() final Class<?> getClass() int hashCode() final void notify() final void notifyAll() String toString() final void wait(long arg0, int arg1) final void wait(long arg0) final void wait()

Public constructors

CallbackRegistry (NotifierCallback<C, T, A> notifier)

Public methods

void add (C callback)

void clear ()

CallbackRegistry<C, T, A> clone ()

ArrayList<C> copyCallbacks ()

void copyCallbacks (List<C> callbacks)

boolean isEmpty ()

void notifyCallbacks (T sender, 
                int arg, 
                A arg2)

void remove (C callback)