org.eclipse.emf.common.notify.impl
Class NotifierImpl

java.lang.Object
  |
  +--org.eclipse.emf.common.notify.impl.NotifierImpl

All Implemented Interfaces:

Notifier

Direct Known Subclasses:

EObjectImpl, ResourceImpl, ResourceSetImpl

public class NotifierImpl

extends java.lang.Object

implements Notifier

An extensible notifier implementation.

Field Summary

protected BasicEList	eAdapters The list of Adapters associated with the notifier.
protected static int	EDELIVER The bit of eFlags that is used to represent eDeliver().
protected int	eFlags An extensible set of bit flags; the first bit is used for EDELIVER to implement eDeliver().
protected static int	ELAST_NOTIFIER_FLAG The last bit used by this class; derived classes may use bit values higher than this.

Constructor Summary

NotifierImpl()
Creates a blank new instance.

Method Summary

EList	eAdapters() Returns list of the adapters associated with this notifier.
boolean	eDeliver() Returns whether this notifier will deliver notifications to the adapters.
boolean	eNotificationRequired() Returns whether eNotify needs to be called.
void	eNotify(Notification notification) Notifies a change to a feature of this notifier as described by the notification.
void	eSetDeliver(boolean deliver) Sets whether this notifier will deliver notifications to the adapters.

Methods inherited from class java.lang.Object

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

Field Detail

EDELIVER

protected static final int EDELIVER

The bit of eFlags that is used to represent eDeliver().

ELAST_NOTIFIER_FLAG

protected static final int ELAST_NOTIFIER_FLAG

The last bit used by this class; derived classes may use bit values higher than this.

eFlags

protected int eFlags

An extensible set of bit flags; the first bit is used for EDELIVER to implement eDeliver().

eAdapters

protected BasicEList eAdapters

The list of Adapters associated with the notifier.

Constructor Detail

NotifierImpl

public NotifierImpl()

Creates a blank new instance.

Method Detail

eAdapters

public EList eAdapters()

Description copied from interface: Notifier

Returns list of the adapters associated with this notifier.

Specified by:

eAdapters in interface Notifier

Following copied from interface: org.eclipse.emf.common.notify.Notifier

Returns:

the adapters associated with this notifier.

eDeliver

public boolean eDeliver()

Description copied from interface: Notifier

Returns whether this notifier will deliver notifications to the adapters.

Specified by:

eDeliver in interface Notifier

Following copied from interface: org.eclipse.emf.common.notify.Notifier

Returns:

whether notifications will be delivered.

See Also:

Notifier.eSetDeliver(boolean)

eSetDeliver

public void eSetDeliver(boolean deliver)

Description copied from interface: Notifier

Sets whether this notifier will deliver notifications to the adapters.

Specified by:

eSetDeliver in interface Notifier

Following copied from interface: org.eclipse.emf.common.notify.Notifier

Parameters:

deliver - whether or not to deliver.

See Also:

Notifier.eDeliver()

eNotify

public void eNotify(Notification notification)

Description copied from interface: Notifier

Notifies a change to a feature of this notifier as described by the notification. The notifications will generally be delivered to the adapters via Adapter.notifyChanged.

Specified by:

eNotify in interface Notifier

Following copied from interface: org.eclipse.emf.common.notify.Notifier

Parameters:

notification - a description of the change.

eNotificationRequired

public boolean eNotificationRequired()

Returns whether eNotify needs to be called. This may return true even when eDeliver is false or when eAdapters is empty.

Returns:

whether eNotify needs to be called.