org.eclipse.emf.ecp.ui.view.swt.reference

Interface EObjectSelectionStrategy

public interface EObjectSelectionStrategy

A DefaultReferenceService customization strategy for accumulating existing EObjects eligible for addition to a reference in an owner.

Since:

1.16

See Also:

DefaultReferenceService

Nested Class Summary

Nested Classes

Modifier and Type	Interface and Description
static interface	EObjectSelectionStrategy.Provider Specific Bazaar vendor interface for EObject selection strategies.

Field Summary

Fields

Modifier and Type	Field and Description
static EObjectSelectionStrategy	NULL An idempotent strategy (does not modify the selection).

Method Summary

Modifier and Type	Method and Description
Collection<org.eclipse.emf.ecore.EObject>	collectExistingObjects(org.eclipse.emf.ecore.EObject owner, org.eclipse.emf.ecore.EReference reference, Collection<org.eclipse.emf.ecore.EObject> existingObjects) Update a collection of EObjects that are eligible for addition to a reference feature.

Field Detail

NULL

static final EObjectSelectionStrategy NULL

An idempotent strategy (does not modify the selection).

Method Detail

collectExistingObjects

Collection<org.eclipse.emf.ecore.EObject> collectExistingObjects(org.eclipse.emf.ecore.EObject owner,
                                                                 org.eclipse.emf.ecore.EReference reference,
                                                                 Collection<org.eclipse.emf.ecore.EObject> existingObjects)

Update a collection of EObjects that are eligible for addition to a reference feature.

Parameters:

owner - the proposed owner of the references to existing objects

reference - the owner's reference in which to add a objects

existingObjects - a mutable collection of eligible objects. Implementors may add and remove elements in this collection as needed

Returns:

a mutable filtered collection of objects that can be passed into the next strategy. A suggested pattern is to modify the existingObjects in place and return that collection