Package org.eclipse.emfforms.internal.core.services.structuralchange.keyattribute

Class StructuralChangeTesterKeyAttribute

java.lang.Object

org.eclipse.emfforms.internal.core.services.structuralchange.keyattribute.StructuralChangeTesterKeyAttribute

All Implemented Interfaces:

StructuralChangeTesterInternal

public class StructuralChangeTesterKeyAttribute
extends java.lang.Object
implements StructuralChangeTesterInternal

The internal structural change tester for VKeyAttributeDomainModelReferences.

Author:

Lucas Koehler

Field Summary

Fields inherited from interface org.eclipse.emfforms.spi.core.services.structuralchange.StructuralChangeTesterInternal

NOT_APPLICABLE

Constructor Summary

Constructors

Constructor	Description
StructuralChangeTesterKeyAttribute()

Method Summary

Modifier and Type	Method	Description
protected void	activate(org.osgi.framework.BundleContext bundleContext)	Called by the framework when the component gets activated.
protected void	deactivate(org.osgi.framework.BundleContext bundleContext)	Called by the framework when the component gets deactivated.
double	isApplicable(VDomainModelReference reference)	Returns a double that expresses if and how suitable this tester is for the given VDomainModelReference.
boolean	isStructureChanged(VDomainModelReference reference, org.eclipse.emf.ecore.EObject domainRootObject, ModelChangeNotification notification)	Checks whether the domain structure of the given VDomainModelReference has changed for the changes indicated by the given ModelChangeNotification.
protected void	setEMFFormsDatabindingEMF(EMFFormsDatabindingEMF emfFormsDatabindingEMF)	Called by the OSGI framework to set the EMFFormsDatabindingEMF.

Methods inherited from class java.lang.Object

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

Constructor Detail

StructuralChangeTesterKeyAttribute

public StructuralChangeTesterKeyAttribute()

Method Detail

setEMFFormsDatabindingEMF

protected void setEMFFormsDatabindingEMF(EMFFormsDatabindingEMF emfFormsDatabindingEMF)

Called by the OSGI framework to set the EMFFormsDatabindingEMF.

Parameters:

emfFormsDatabindingEMF - The EMFFormsDatabindingEMF to set

activate

protected void activate(org.osgi.framework.BundleContext bundleContext)

Called by the framework when the component gets activated.

Parameters:

bundleContext - The BundleContext

deactivate

protected void deactivate(org.osgi.framework.BundleContext bundleContext)

Called by the framework when the component gets deactivated.

Parameters:

bundleContext - The BundleContext

isApplicable

public double isApplicable(VDomainModelReference reference)

Returns a double that expresses if and how suitable this tester is for the given VDomainModelReference.

Specified by:

isApplicable in interface StructuralChangeTesterInternal

Parameters:

reference - The VDomainModelReference

Returns:

The value indicating how suitable this tester is, negative infinity if it can't work with the given VDomainModelReference.

See Also:

StructuralChangeTesterInternal.isApplicable(org.eclipse.emf.ecp.view.spi.model.VDomainModelReference)

isStructureChanged

public boolean isStructureChanged(VDomainModelReference reference,
                                  org.eclipse.emf.ecore.EObject domainRootObject,
                                  ModelChangeNotification notification)

Checks whether the domain structure of the given VDomainModelReference has changed for the changes indicated by the given ModelChangeNotification.

Specified by:

isStructureChanged in interface StructuralChangeTesterInternal

Parameters:

reference - The VDomainModelReference

domainRootObject - The root object of the VDomainModelReference.

notification - The ModelChangeNotification

Returns:

true if the domain structure has changed, false otherwise

See Also:

StructuralChangeTesterInternal.isStructureChanged(org.eclipse.emf.ecp.view.spi.model.VDomainModelReference, org.eclipse.emf.ecore.EObject, org.eclipse.emf.ecp.view.spi.model.ModelChangeNotification)