org.apache.isis.core.progmodel.facets.collections.validate

Interface CollectionValidateAddToFacet

All Superinterfaces:

Facet, FacetAbstract.Validating, InteractionAdvisor, InteractionAdvisorFacet, ValidatingInteractionAdvisor

All Known Implementing Classes:

CollectionValidateAddToFacetAbstract, CollectionValidateAddToFacetViaMethod

public interface CollectionValidateAddToFacet
extends Facet, ValidatingInteractionAdvisor

Validate that an object can be added to a collection.

In the standard Apache Isis Programming Model, corresponds to invoking the validateAddToXxx support method for a collection.

Field Summary

Fields inherited from interface org.apache.isis.core.metamodel.interactions.InteractionAdvisorFacet

NOOP

Method Summary

Methods

Modifier and Type	Method and Description
String	invalidReason(ObjectAdapter target, ObjectAdapter proposedArgument) Reason the object cannot be added, or null if okay.

Methods inherited from interface org.apache.isis.core.metamodel.interactions.ValidatingInteractionAdvisor

invalidates

Methods inherited from interface org.apache.isis.core.metamodel.facetapi.Facet

alwaysReplace, facetType, getFacetHolder, getUnderlyingFacet, isDerived, isNoop, setFacetHolder, setUnderlyingFacet

Method Detail

invalidReason

String invalidReason(ObjectAdapter target,
                   ObjectAdapter proposedArgument)

Reason the object cannot be added, or null if okay.