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.actions.contributing;
  
  import org.apache.causeway.core.metamodel.facetapi.Facet;
  import org.apache.causeway.core.metamodel.facets.object.mixin.MixinFacet.Contributing;
  import org.apache.causeway.core.metamodel.spec.feature.ObjectAction;
  
  /**
   * Indicates that the action should be contributed to objects either
   * as <i>Action</i>, <i>Property</i> or <i>Collection</i>.
   * <p>
   * Since v2 only ever used for mixed in actions.
   * @since 2.0
   */
  public interface ContributingFacet extends Facet {
  
      public Contributing contributed();
  
      default boolean isActionContributionVetoed() {
          return contributed() == Contributing.AS_PROPERTY
                  || contributed() == Contributing.AS_COLLECTION;
      }
  
      default boolean isAssociationContributionVetoed() {
          return contributed() == Contributing.AS_ACTION;
      }
  
      // -- UTILITIES
  
      static boolean isActionContributionVetoed(final ObjectAction action) {
          var facet = action.getFacet(ContributingFacet.class);
          if(facet != null) {
              return facet.isActionContributionVetoed();
          }
          return false;
      }
  
      static boolean isAssociationContributionVetoed(final ObjectAction action) {
          var facet = action.getFacet(ContributingFacet.class);
          if(facet != null) {
              return facet.isAssociationContributionVetoed();
          }
          return false;
      }
  
  }
  