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.progmodel;
  
  import java.util.EnumSet;
  import java.util.function.Predicate;
  
  import org.jspecify.annotations.Nullable;
  
  import org.apache.causeway.commons.internal.functions._Predicates;
  import org.apache.causeway.core.metamodel.facets.FacetFactory;
  import org.apache.causeway.core.metamodel.postprocessors.MetaModelPostProcessor;
  import org.apache.causeway.core.metamodel.progmodel.ProgrammingModel.Marker;
  import org.apache.causeway.core.metamodel.specloader.validator.MetaModelValidator;
  
  import static org.apache.causeway.commons.internal.base._NullSafe.isEmpty;
  
  /**
   * @since 2.0
   */
  public interface ProgrammingModelInitFilter {
  
      public static ProgrammingModelInitFilter noop() {
          return new ProgrammingModelInitFilter() {
              @Override public boolean acceptValidator(final Class<? extends MetaModelValidator> validatorType, final Marker[] markersIfAny) {
                  return true;
              }
              @Override public boolean acceptPostProcessor(final Class<? extends MetaModelPostProcessor> postProcessorType,
                      final Marker[] markersIfAny) {
                  return true;
              }
              @Override public boolean acceptFactoryType(final Class<? extends FacetFactory> factoryType, final Marker[] markersIfAny) {
                  return true;
              }
          };
      }
  
      boolean acceptFactoryType(
              Class<? extends FacetFactory> factoryType,
              ProgrammingModel.Marker[] markersIfAny);
  
      boolean acceptValidator(
              Class<? extends MetaModelValidator> validatorType,
              ProgrammingModel.Marker[] markersIfAny);
  
      boolean acceptPostProcessor(
              Class<? extends MetaModelPostProcessor> postProcessorType,
              ProgrammingModel.Marker[] markersIfAny);
  
      // -- PREDEFINED PREDICATES
  
      public static Predicate<ProgrammingModel.Marker[]> excludingNone() {
          return _Predicates.alwaysTrue();
      }
  
      public static Predicate<ProgrammingModel.Marker[]> excluding(final @Nullable EnumSet<ProgrammingModel.Marker> excludingMarkers) {
          if(excludingMarkers==null)  return excludingNone();
  
          return markersOnFactory -> {
              if(isEmpty(markersOnFactory)) return true; // accept
              for(var markerOnFactory : markersOnFactory) {
                  if(excludingMarkers.contains(markerOnFactory)) return false; // don't accept
              }
              return true; // accept
          };
      }
  
  }
  