All Implemented Interfaces:

ChangeHub

public abstract class IndexedChangeHub
extends Object
implements ChangeHub 

Since:

1.3

Author:

Thomas Down (original implementation), David Huen (refactoring)

• Nested Class Summary

  Nested Classes

  Modifier and Type	Class and Description
  protected class	IndexedChangeHub.ListenerMemento

• Constructor Summary

  Constructors

  Constructor and Description
  IndexedChangeHub ()

• Method Summary

  All Methods

  Modifier and Type	Method and Description
  void	addListener (Object key, ChangeListener listener, ChangeType ct) add a ChangeListener associated with given key.
  protected void	diddleQueue ()
  void	firePostChange (Object key, ChangeEvent cev) invoke the firePostChangeEvent on all ChangeListeners associated with a specific key.
  void	firePreChange (Object key, ChangeEvent cev) invoke the firePreChangeEvent on all ChangeListeners associated with a specific key.
  protected abstract boolean	isMyChangeEvent (ChangeEvent cev, IndexedChangeHub.ListenerMemento lm)
  void	removeListener (Object key, ChangeListener listener, ChangeType ct) remove a ChangeListener associated with given key.

  • Methods inherited from class java.lang.Object

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

• Constructor Detail

  • IndexedChangeHub

    public IndexedChangeHub()

• Method Detail

  • isMyChangeEvent

    protected abstract boolean isMyChangeEvent(ChangeEvent cev,
     IndexedChangeHub.ListenerMemento lm)

  • addListener

    public void addListener(Object key,
     ChangeListener listener,
     ChangeType ct)

    Description copied from interface: ChangeHub
    add a ChangeListener associated with given key.

    Specified by:

    addListener in interface ChangeHub

  • removeListener

    public void removeListener(Object key,
     ChangeListener listener,
     ChangeType ct)

    Description copied from interface: ChangeHub
    remove a ChangeListener associated with given key.

    Specified by:

    removeListener in interface ChangeHub

  • firePreChange

    public void firePreChange(Object key,
     ChangeEvent cev)
     throws ChangeVetoException 

    Description copied from interface: ChangeHub
    invoke the firePreChangeEvent on all ChangeListeners associated with a specific key.

    Specified by:

    firePreChange in interface ChangeHub

    Throws:

    ChangeVetoException

  • firePostChange

    public void firePostChange(Object key,
     ChangeEvent cev)

    Description copied from interface: ChangeHub
    invoke the firePostChangeEvent on all ChangeListeners associated with a specific key.

    Specified by:

    firePostChange in interface ChangeHub

  • diddleQueue

    protected void diddleQueue()