Package org.eclipse.core.databinding.observable

Class ChangeSupport

java.lang.Object

org.eclipse.core.databinding.observable.ChangeSupport

public abstract class ChangeSupport
extends java.lang.Object

Since:

1.0

Constructor Summary

Constructors

Constructor	Description
ChangeSupport(Realm realm)

Method Summary

Modifier and Type	Method	Description
void	addChangeListener(IChangeListener listener)
void	addDisposeListener(IDisposeListener listener)
void	addListener(java.lang.Object listenerType, IObservablesListener listener)
void	addStaleListener(IStaleListener listener)
protected java.lang.Object	clone()
void	dispose()
void	fireEvent(ObservableEvent event)
protected abstract void	firstListenerAdded()
Realm	getRealm()
protected boolean	hasListeners()
protected abstract void	lastListenerRemoved()
void	removeChangeListener(IChangeListener listener)
void	removeDisposeListener(IDisposeListener listener)
void	removeListener(java.lang.Object listenerType, IObservablesListener listener)
void	removeStaleListener(IStaleListener listener)

Methods inherited from class java.lang.Object

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

Constructor Detail

ChangeSupport

public ChangeSupport(Realm realm)

Parameters:

realm - the realm

Method Detail

addListener

public void addListener(java.lang.Object listenerType,
                        IObservablesListener listener)

Parameters:

listenerType - arbitrary object to identify a type of the listener

listener - the listener to add; not null

removeListener

public void removeListener(java.lang.Object listenerType,
                           IObservablesListener listener)

Parameters:

listenerType - arbitrary object to identify a type of the listener

listener - the listener to remove; not null

fireEvent

public void fireEvent(ObservableEvent event)

firstListenerAdded

protected abstract void firstListenerAdded()

lastListenerRemoved

protected abstract void lastListenerRemoved()

addChangeListener

public void addChangeListener(IChangeListener listener)

Parameters:

listener - the listener to add; not null

removeChangeListener

public void removeChangeListener(IChangeListener listener)

Parameters:

listener - the listener to remove; not null

addStaleListener

public void addStaleListener(IStaleListener listener)

Parameters:

listener - the listener to add; not null

removeStaleListener

public void removeStaleListener(IStaleListener listener)

Parameters:

listener - the listener to remove; not null

addDisposeListener

public void addDisposeListener(IDisposeListener listener)

Parameters:

listener - the listener to add; not null

Since:

1.2

removeDisposeListener

public void removeDisposeListener(IDisposeListener listener)

Parameters:

listener - the listener to remove; not null

Since:

1.2

hasListeners

protected boolean hasListeners()

dispose

public void dispose()

getRealm

public Realm getRealm()

Returns:

Returns the realm.

clone

protected java.lang.Object clone()
                          throws java.lang.CloneNotSupportedException

Overrides:

clone in class java.lang.Object

Throws:

java.lang.CloneNotSupportedException