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.members.support;
  
  import org.apache.causeway.commons.collections.ImmutableEnumSet;
  import org.apache.causeway.core.config.progmodel.ProgrammingModelConstants.MemberSupportPrefix;
  import org.apache.causeway.core.metamodel.context.MetaModelContext;
  import org.apache.causeway.core.metamodel.facetapi.FeatureType;
  import org.apache.causeway.core.metamodel.methods.MethodFinder;
  
  import org.jspecify.annotations.NonNull;
  
  public abstract class MemberSupportFacetFactoryAbstract
  extends MemberAndPropertySupportFacetFactoryAbstract {
  
      private final boolean mixinSupportExplicitlyAdded;
  
      protected MemberSupportFacetFactoryAbstract(
              final @NonNull MetaModelContext mmc,
              final @NonNull ImmutableEnumSet<FeatureType> featureTypes,
              final @NonNull MemberSupportPrefix memberSupportPrefix) {
          super(mmc, addMixinSupport(featureTypes), memberSupportPrefix);
          this.mixinSupportExplicitlyAdded = !featureTypes.contains(FeatureType.ACTION);
      }
  
      private static ImmutableEnumSet<FeatureType> addMixinSupport(
              final ImmutableEnumSet<FeatureType> featureTypes) {
          return featureTypes.add(FeatureType.ACTION);
      }
  
      @Override
      public final void process(final ProcessMethodContext processMethodContext) {
  
          // optimization step, not strictly required
          if(mixinSupportExplicitlyAdded
                  && !processMethodContext.isMixinMain()) {
              // stop processing if it is not an allowed property or collection
              var isProp = getFeatureTypes().contains(FeatureType.PROPERTY)
                      && processMethodContext.getFeatureType().isProperty();
              var isColl = getFeatureTypes().contains(FeatureType.COLLECTION)
                      && processMethodContext.getFeatureType().isCollection();
              if(!(isProp
                      || isColl)) {
                  return; // skip
              }
          }
  
          var getterMethod = processMethodContext.getMethod();
          var elementType = getterMethod.getReturnType(); // in case of an action, is never used
  
          var methodNameCandidates = memberSupportPrefix.getMethodNamePrefixes()
                  .flatMap(processMethodContext::memberSupportCandidates);
  
          search(processMethodContext,
                  MethodFinder
                  .memberSupport(processMethodContext.getCls(),
                          methodNameCandidates,
                          processMethodContext.getIntrospectionPolicy())
                  .withReturnTypeAnyOf(memberSupportPrefix
                          .getSupportMethodReturnType().matchingTypes(elementType))
                  );
      }
  
      protected abstract void search(
              ProcessMethodContext processMethodContext,
              MethodFinder methodFinder);
  
  }
  