org.eclipse.viatra.query.runtime.base.api

Interface FeatureListener

public interface FeatureListener

Interface for observing insertion and deletion of structural feature values ("settings"). (Works both for single-valued and many-valued features.)

Method Summary

Modifier and Type	Method and Description
void	featureDeleted(org.eclipse.emf.ecore.EObject host, org.eclipse.emf.ecore.EStructuralFeature feature, java.lang.Object value) Called when the given value is removed from the given feature of the given host EObject.
void	featureInserted(org.eclipse.emf.ecore.EObject host, org.eclipse.emf.ecore.EStructuralFeature feature, java.lang.Object value) Called when the given value is inserted into the given feature of the given host EObject.

Method Detail

featureInserted

void featureInserted(org.eclipse.emf.ecore.EObject host,
                     org.eclipse.emf.ecore.EStructuralFeature feature,
                     java.lang.Object value)

Called when the given value is inserted into the given feature of the given host EObject.

Parameters:

host - the host (holder) of the feature

feature - the EAttribute or EReference instance

value - the target of the feature

featureDeleted

void featureDeleted(org.eclipse.emf.ecore.EObject host,
                    org.eclipse.emf.ecore.EStructuralFeature feature,
                    java.lang.Object value)

Called when the given value is removed from the given feature of the given host EObject.

Parameters:

host - the host (holder) of the feature

feature - the EAttribute or EReference instance

value - the target of the feature