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.ignore.datanucleus;
  
  import java.util.List;
  
  import jakarta.inject.Inject;
  
  import org.apache.causeway.commons.internal.collections._Lists;
  import org.apache.causeway.commons.internal.factory._InstanceUtil;
  import org.apache.causeway.commons.internal.reflection._GenericResolver.ResolvedMethod;
  import org.apache.causeway.core.metamodel.context.MetaModelContext;
  import org.apache.causeway.core.metamodel.facetapi.FeatureType;
  import org.apache.causeway.core.metamodel.facets.FacetFactoryAbstract;
  
  /**
   * Removes all methods inherited from <tt>org.datanucleus.enhancement.Persistable</tt> (if datanucleus 4.1.x is on the classpath).
   */
  public class RemoveDatanucleusPersistableTypesFacetFactory
  extends FacetFactoryAbstract {
  
      private final List<ResolvedMethod> datanucleusPersistableMethodsToIgnore = _Lists.newArrayList();
  
      @Inject
      public RemoveDatanucleusPersistableTypesFacetFactory(final MetaModelContext mmc) {
          super(mmc, FeatureType.OBJECTS_ONLY);
  
          final String typeToIgnoreIfOnClasspath = "org.datanucleus.enhancement.Persistable";
          try {
              Class<?> typeToIgnore = _InstanceUtil.loadClass(typeToIgnoreIfOnClasspath);
              addMethodsToBeIgnored(typeToIgnore);
          } catch(Exception ex) {
              // ignore
          }
      }
  
      private void addMethodsToBeIgnored(final Class<?> typeToIgnore) {
          getClassCache()
              .streamPublicMethods(typeToIgnore)
              .forEach(datanucleusPersistableMethodsToIgnore::add);
      }
  
      @Override
      public void process(final ProcessClassContext processClassContext) {
          for (final ResolvedMethod mapt : datanucleusPersistableMethodsToIgnore) {
              processClassContext.removeMethod(mapt.name(), null, mapt.paramTypes());
          }
      }
  
  }
  