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

All Superinterfaces:

org.apache.isis.core.metamodel.facetapi.Facet, org.apache.isis.core.metamodel.facetapi.FacetAbstract.Validating, org.apache.isis.core.metamodel.consent.InteractionAdvisor, org.apache.isis.core.metamodel.interactions.InteractionAdvisorFacet, org.apache.isis.core.metamodel.interactions.ValidatingInteractionAdvisor

All Known Implementing Classes:

CollectionValidateAddToFacetAbstract, CollectionValidateAddToFacetViaMethod

public interface CollectionValidateAddToFacet
extends org.apache.isis.core.metamodel.facetapi.Facet, org.apache.isis.core.metamodel.interactions.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

String

invalidReason(org.apache.isis.core.metamodel.adapter.ObjectAdapter target, org.apache.isis.core.metamodel.adapter.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(org.apache.isis.core.metamodel.adapter.ObjectAdapter target,
                     org.apache.isis.core.metamodel.adapter.ObjectAdapter proposedArgument)

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