org.eclipse.emfforms.internal.core.services.structuralchange.mapping

Class StructuralChangeTesterMapping

java.lang.Object

org.eclipse.emfforms.internal.core.services.structuralchange.mapping.StructuralChangeTesterMapping

All Implemented Interfaces:

StructuralChangeTesterInternal

public class StructuralChangeTesterMapping
extends Object
implements StructuralChangeTesterInternal

Structural change tester for VMappingDomainModelReference.

Author:

Eugen Neufeld

Field Summary

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

NOT_APPLICABLE

Constructor Summary

Constructors

Constructor and Description
StructuralChangeTesterMapping()

Method Summary

Modifier and Type	Method and 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.

Methods inherited from class java.lang.Object

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

Constructor Detail

StructuralChangeTesterMapping

public StructuralChangeTesterMapping()

Method Detail

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)