org.eclipse.emfforms.spi.core.services.structuralchange

Interface StructuralChangeSegmentTester

All Known Implementing Classes:

FeatureSegmentStructuralChangeTester, IndexSegmentStructuralChangeTester, MappingSegmentStructuralChangeTester

public interface StructuralChangeSegmentTester

A concrete structural change tester for a type of VDomainModelReferenceSegment.

Since:

1.19

Author:

Lucas Koehler

Field Summary

Fields

Modifier and Type	Field and Description
static double	NOT_APPLICABLE The value that expresses that a StructuralChangeSegmentTester is not applicable for a VDomainModelReferenceSegment.

Method Summary

Modifier and Type	Method and Description
double	isApplicable(VDomainModelReferenceSegment segment) Returns a double that expresses if and how suitable this tester is for the given VDomainModelReferenceSegment.
boolean	isStructureChanged(VDomainModelReferenceSegment segment, org.eclipse.emf.ecore.EObject domainObject, ModelChangeNotification notification) Checks whether the domain structure of the given VDomainModelReferenceSegment has changed for the changes indicated by the given ModelChangeNotification.

Field Detail

NOT_APPLICABLE

static final double NOT_APPLICABLE

The value that expresses that a StructuralChangeSegmentTester is not applicable for a VDomainModelReferenceSegment.

See Also:

Constant Field Values

Method Detail

isApplicable

double isApplicable(VDomainModelReferenceSegment segment)

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

Parameters:

segment - The VDomainModelReferenceSegment

Returns:

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

isStructureChanged

boolean isStructureChanged(VDomainModelReferenceSegment segment,
                           org.eclipse.emf.ecore.EObject domainObject,
                           ModelChangeNotification notification)

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

Parameters:

segment - The VDomainModelReferenceSegment

domainObject - The domain object of the segment.

notification - The ModelChangeNotification

Returns:

true if the domain structure has changed, false otherwise