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.aggregated;
021
022import org.apache.isis.core.metamodel.facetapi.FacetUtil;
023import org.apache.isis.core.metamodel.facetapi.FeatureType;
024import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
025import org.apache.isis.core.metamodel.facets.collections.modify.CollectionFacet;
026import org.apache.isis.core.metamodel.facets.object.aggregated.ParentedFacet;
027import org.apache.isis.core.metamodel.progmodel.ProgrammingModel;
028import org.apache.isis.core.metamodel.specloader.collectiontyperegistry.CollectionTypeRegistry;
029import org.apache.isis.core.progmodel.facets.collections.collection.CollectionFacetFactory;
030
031/**
032 * All {@link CollectionTypeRegistry collection types} are intrinsically
033 * {@link ParentedFacet parented}.
034 * 
035 * <p> 
036 * Must be registered in the {@link ProgrammingModel} after
037 * {@link CollectionFacetFactory}.
038 */
039public class ParentedSinceCollectionFacetFactory extends FacetFactoryAbstract {
040
041    public ParentedSinceCollectionFacetFactory() {
042        super(FeatureType.OBJECTS_ONLY);
043    }
044
045    @Override
046    public void process(final ProcessClassContext processClassContaxt) {
047        if (!processClassContaxt.getFacetHolder().containsFacet(CollectionFacet.class)) {
048            return;
049        }
050        FacetUtil.addFacet(new ParentedFacetSinceCollection(processClassContaxt.getFacetHolder()));
051    }
052
053}