org.eclipse.emf.ecp.common.spi

Class DerivedAttributeAdapter

java.lang.Object

org.eclipse.emf.common.notify.impl.AdapterImpl

org.eclipse.emf.ecp.common.spi.DerivedAttributeAdapter

All Implemented Interfaces:

org.eclipse.emf.common.notify.Adapter, org.eclipse.emf.common.notify.Adapter.Internal

public class DerivedAttributeAdapter
extends org.eclipse.emf.common.notify.impl.AdapterImpl

The DerivedAttributeAdapter can be added on EObjects which include derived EStructuralFeatures. This Adapter will make sure that correct SET/UNSET notifications are issued when a feature from which the derived feature is derived from changes.

Since:

1.8

Author:

Johannes Faltermeier

Nested Class Summary

Nested classes/interfaces inherited from interface org.eclipse.emf.common.notify.Adapter

org.eclipse.emf.common.notify.Adapter.Internal

Field Summary

Fields inherited from class org.eclipse.emf.common.notify.impl.AdapterImpl

target

Constructor Summary

Constructors

Constructor and Description
DerivedAttributeAdapter(org.eclipse.emf.ecore.EObject source, org.eclipse.emf.ecore.EStructuralFeature derivedFeature)

Method Summary

Modifier and Type	Method and Description
void	addLocalDependency(org.eclipse.emf.ecore.EStructuralFeature localFeature) Use this method to indicate that the given feature influences the derived value and is owned by the same EObject as the derived feature.
void	addNavigatedDependency(org.eclipse.emf.ecore.EStructuralFeature dependentFeature, org.eclipse.emf.ecore.EReference... navigationFeatures) Use this method to indicate the given given feature path influences the derived value.
void	notifyChanged(org.eclipse.emf.common.notify.Notification notification)

Methods inherited from class org.eclipse.emf.common.notify.impl.AdapterImpl

getTarget, isAdapterForType, setTarget, unsetTarget

Methods inherited from class java.lang.Object

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

Constructor Detail

DerivedAttributeAdapter

public DerivedAttributeAdapter(org.eclipse.emf.ecore.EObject source,
                               org.eclipse.emf.ecore.EStructuralFeature derivedFeature)

Parameters:

source - the owner of the derived feature

derivedFeature - the derived feature

Method Detail

addLocalDependency

public void addLocalDependency(org.eclipse.emf.ecore.EStructuralFeature localFeature)

Use this method to indicate that the given feature influences the derived value and is owned by the same EObject as the derived feature.

Parameters:

localFeature - the local feature.

addNavigatedDependency

public void addNavigatedDependency(org.eclipse.emf.ecore.EStructuralFeature dependentFeature,
                                   org.eclipse.emf.ecore.EReference... navigationFeatures)

Use this method to indicate the given given feature path influences the derived value.

Parameters:

dependentFeature - the last feature on the path

navigationFeatures - the reference path. This must NOT be empty

notifyChanged

public void notifyChanged(org.eclipse.emf.common.notify.Notification notification)

Specified by:

notifyChanged in interface org.eclipse.emf.common.notify.Adapter

Overrides:

notifyChanged in class org.eclipse.emf.common.notify.impl.AdapterImpl