content: /*
   *  Licensed to the Apache Software Foundation (ASF) under one
   *  or more contributor license agreements.  See the NOTICE file
   *  distributed with this work for additional information
   *  regarding copyright ownership.  The ASF licenses this file
   *  to you under the Apache License, Version 2.0 (the
   *  "License"); you may not use this file except in compliance
   *  with the License.  You may obtain a copy of the License at
   *
   *        http://www.apache.org/licenses/LICENSE-2.0
   *
   *  Unless required by applicable law or agreed to in writing,
   *  software distributed under the License is distributed on an
   *  "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   *  KIND, either express or implied.  See the License for the
   *  specific language governing permissions and limitations
   *  under the License.
   */
  package org.apache.causeway.core.metamodel.facets.object.immutable.immutableannot;
  
  import jakarta.inject.Inject;
  
  import org.apache.causeway.core.metamodel.context.MetaModelContext;
  import org.apache.causeway.core.metamodel.facetapi.FacetUtil;
  import org.apache.causeway.core.metamodel.facetapi.FeatureType;
  import org.apache.causeway.core.metamodel.facets.FacetFactoryAbstract;
  import org.apache.causeway.core.metamodel.facets.FacetedMethod;
  import org.apache.causeway.core.metamodel.facets.object.immutable.ImmutableFacet;
  import org.apache.causeway.core.metamodel.spec.ObjectSpecification;
  
  public class CopyImmutableFacetOntoMembersFactory extends FacetFactoryAbstract {
  
      @Inject
      public CopyImmutableFacetOntoMembersFactory(final MetaModelContext mmc) {
          super(mmc, FeatureType.MEMBERS);
      }
  
      @Override
      public void process(final ProcessMethodContext processMethodContext) {
          final FacetedMethod member = processMethodContext.getFacetHolder();
          final Class<?> owningClass = processMethodContext.getCls();
          final ObjectSpecification owningSpec = getSpecificationLoader().loadSpecification(owningClass);
  
          // assuming, that immutability is an object-type level concern and not a member-type level concern
          // it is save to just copy onto members, as ImmutableFacet(s) should never ever be declared
          // on members individually (such that there cannot be any conflicts while doing this copies)
          owningSpec
              .lookupFacet(ImmutableFacet.class)
              .ifPresent(immutableFacet->
                  FacetUtil.addFacet(immutableFacet.clone(member)));
      }
  
  }
  