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.object.immutable.markerifc;
021
022import org.apache.isis.applib.annotation.When;
023import org.apache.isis.core.metamodel.facetapi.FacetHolder;
024import org.apache.isis.core.metamodel.facetapi.FacetUtil;
025import org.apache.isis.core.metamodel.facetapi.FeatureType;
026import org.apache.isis.core.metamodel.facets.FacetFactoryAbstract;
027import org.apache.isis.core.metamodel.facets.object.immutable.ImmutableFacet;
028
029public class ImmutableMarkerInterfaceFacetFactory extends FacetFactoryAbstract {
030
031    public ImmutableMarkerInterfaceFacetFactory() {
032        super(FeatureType.OBJECTS_ONLY);
033    }
034
035    @Override
036    public void process(final ProcessClassContext processClassContext) {
037        final When when = When.lookupForMarkerInterface(processClassContext.getCls());
038        FacetUtil.addFacet(create(when, processClassContext.getFacetHolder()));
039    }
040
041    private ImmutableFacet create(final When when, final FacetHolder holder) {
042        return when == null ? null : new ImmutableFacetMarkerInterface(when, holder);
043    }
044
045}