001/*
002 *  Licensed to the Apache Software Foundation (ASF) under one
003 *  or more contributor license agreements.  See the NOTICE file
004 *  distributed with this work for additional information
005 *  regarding copyright ownership.  The ASF licenses this file
006 *  to you under the Apache License, Version 2.0 (the
007 *  "License"); you may not use this file except in compliance
008 *  with the License.  You may obtain a copy of the License at
009 *
010 *        http://www.apache.org/licenses/LICENSE-2.0
011 *
012 *  Unless required by applicable law or agreed to in writing,
013 *  software distributed under the License is distributed on an
014 *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
015 *  KIND, either express or implied.  See the License for the
016 *  specific language governing permissions and limitations
017 *  under the License.
018 */
019
020package org.apache.isis.core.progmodel.facets.collections.disabled.fromimmutable;
021
022import org.apache.isis.core.metamodel.facetapi.FacetUtil;
023import org.apache.isis.core.metamodel.facetapi.FeatureType;
024import org.apache.isis.core.metamodel.facets.FacetFactory;
025import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
026import org.apache.isis.core.metamodel.facets.FacetedMethod;
027import org.apache.isis.core.metamodel.facets.object.immutable.ImmutableFacet;
028import org.apache.isis.core.metamodel.spec.ObjectSpecification;
029
030/**
031 * REVIEW: I'm not sure this {@link FacetFactory} actually makes sense. Just
032 * because a type is immutable, doesn't imply that the property can't change the
033 * instance that it refers to?
034 */
035public class DisabledFacetForCollectionDerivedFromImmutableTypeFacetFactory extends FacetFactoryAbstract {
036
037    public DisabledFacetForCollectionDerivedFromImmutableTypeFacetFactory() {
038        super(FeatureType.COLLECTIONS_ONLY);
039    }
040
041    @Override
042    public void process(final ProcessMethodContext processMethodContext) {
043        final ObjectSpecification spec = getSpecificationLoader().loadSpecification(processMethodContext.getMethod().getDeclaringClass());
044        if (spec.containsDoOpFacet(ImmutableFacet.class)) {
045            final ImmutableFacet immutableFacet = spec.getFacet(ImmutableFacet.class);
046            final FacetedMethod facetHolder = processMethodContext.getFacetHolder();
047            FacetUtil.addFacet(new DisabledFacetForCollectionDerivedFromImmutable(immutableFacet, facetHolder));
048        }
049    }
050
051}