Package org.eclipse.pde.core

Interface IModelChangeProvider

All Known Subinterfaces:

IBuildModel, IExtensionsModel, IFragmentModel, IPluginModel, IPluginModelBase, ISharedExtensionsModel, ISharedPluginModel

public interface IModelChangeProvider

Classes that implement this interface are capable of notifying listeners about model changes. Interested parties should implement IModelChangedListener and add as listeners to be able to receive change notification.

Since:

2.0

Restriction:

This interface is not intended to be implemented by clients.

Restriction:

This interface is not intended to be extended by clients.

Method Summary

Modifier and Type	Method	Description
void	addModelChangedListener(IModelChangedListener listener)	Adds the listener to the list of listeners that will be notified on model changes.
void	fireModelChanged(IModelChangedEvent event)	Delivers change event to all the registered listeners.
void	fireModelObjectChanged(Object object, String property, Object oldValue, Object newValue)	Notifies listeners that a property of a model object changed.
void	removeModelChangedListener(IModelChangedListener listener)	Takes the listener off the list of registered change listeners.

Method Details

addModelChangedListener

void addModelChangedListener(IModelChangedListener listener)

Adds the listener to the list of listeners that will be notified on model changes.

Parameters:

listener - a model change listener to be added

fireModelChanged

void fireModelChanged(IModelChangedEvent event)

Delivers change event to all the registered listeners.

Parameters:

event - a change event that will be passed to all the listeners

fireModelObjectChanged

void fireModelObjectChanged(Object object,
 String property,
 Object oldValue,
 Object newValue)

Notifies listeners that a property of a model object changed. This is a utility method that will create a model event and fire it.

Parameters:

object - an affected model object

property - name of the property that has changed

oldValue - the old value of the property

newValue - the new value of the property

removeModelChangedListener

void removeModelChangedListener(IModelChangedListener listener)

Takes the listener off the list of registered change listeners.

Parameters:

listener - a model change listener to be removed