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.persistence.jpa.metamodel.facets.prop.column;
  
  import java.util.Optional;
  
  import jakarta.inject.Inject;
  import jakarta.persistence.Column;
  import jakarta.persistence.JoinColumn;
  
  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.facetapi.MetaModelRefiner;
  import org.apache.causeway.core.metamodel.facets.FacetFactoryAbstract;
  import org.apache.causeway.core.metamodel.facets.objectvalue.mandatory.MandatoryFacet.Semantics;
  import org.apache.causeway.core.metamodel.progmodel.ProgrammingModel;
  import org.apache.causeway.core.metamodel.spec.feature.MixedIn;
  import org.apache.causeway.persistence.commons.metamodel.facets.prop.column.MandatoryFromXxxColumnAnnotationMetaModelRefinerUtil;
  
  public class MandatoryFromJpaColumnAnnotationFacetFactory
  extends FacetFactoryAbstract
  implements MetaModelRefiner {
  
      @Inject
      public MandatoryFromJpaColumnAnnotationFacetFactory(final MetaModelContext mmc) {
          super(mmc, FeatureType.PROPERTIES_ONLY);
      }
  
      @Override
      public void process(final ProcessMethodContext processMethodContext) {
  
          final Optional<Boolean> nullable1 = processMethodContext.synthesizeOnMethod(JoinColumn.class)
                  .map(JoinColumn::nullable);
  
          final Optional<Boolean> nullable2 = processMethodContext.synthesizeOnMethod(Column.class)
                  .map(Column::nullable);
  
          if(!nullable1.isPresent()
                  && !nullable2.isPresent()) {
              return;
          }
  
          var nullable = nullable1.orElseGet(nullable2::get);
          var semantics = Semantics.required(!nullable);
  
          var facetHolder = processMethodContext.getFacetHolder();
          FacetUtil.addFacet(
                  new MandatoryFacetFromJpaColumnAnnotation(semantics, facetHolder));
      }
  
      @Override
      public void refineProgrammingModel(final ProgrammingModel programmingModel) {
          programmingModel.addValidatorSkipManagedBeans(objectSpec->{
  
              objectSpec
                      .streamProperties(MixedIn.EXCLUDED)
                      .forEach(MandatoryFromXxxColumnAnnotationMetaModelRefinerUtil::validateMandatoryFacet);
  
          });
      }
  
  }
  