Examples of org.apache.isis.core.metamodel.facets.properties.modify.PropertyClearFacet

Package org.apache.isis.core.metamodel.facets.properties.modify

Examples of org.apache.isis.core.metamodel.facets.properties.modify.PropertyClearFacet

org.apache.isis.core.metamodel.facets.properties.modify.PropertyClearFacet
Mechanism for clearing a property of an object (that is, setting it to null).
In the standard Apache Isis Programming Model, typically corresponds to a method named clearXxx (for a property getXxx). As a fallback the standard model also supports invoking the setXxx method with null.


        // handle empty cell as null
        if (cellText == null || cellText.length() == 0) {


            // use clear facet if available
            final PropertyClearFacet clearFacet = association.getFacet(PropertyClearFacet.class);


            if (clearFacet != null) {
                clearFacet.clearProperty(adapter);
                return SetUpObjectResult.CLEARED;
            }


            // use setter facet otherwise
            final PropertySetterFacet setterFacet = association.getFacet(PropertySetterFacet.class);

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        }
        final PropertyOrCollectionAccessorFacet getterFacet = holder.getFacet(PropertyOrCollectionAccessorFacet.class);
        if(getterFacet == null) {
            return null;
        } 
        final PropertyClearFacet clearFacet = holder.getFacet(PropertyClearFacet.class);
        final PropertySetterFacet setterFacet = holder.getFacet(PropertySetterFacet.class);
        if (clearFacet == null && setterFacet == null) {
            return null;
        }
        if(setterFacet != null) {

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        }
    }


    @Override
    public void clearAssociation(final ObjectAdapter ownerAdapter) {
        final PropertyClearFacet facet = getFacet(PropertyClearFacet.class);
        facet.clearProperty(ownerAdapter);
    }

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