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.postprocessors.param;
  
  import java.util.function.BiConsumer;
  
  import org.apache.causeway.commons.collections.Can;
  import org.apache.causeway.core.metamodel.consent.InteractionInitiatedBy;
  import org.apache.causeway.core.metamodel.facetapi.FacetHolder;
  import org.apache.causeway.core.metamodel.facets.collections.CollectionFacet;
  import org.apache.causeway.core.metamodel.facets.param.choices.ActionParameterChoicesFacetAbstract;
  import org.apache.causeway.core.metamodel.interactions.managed.ActionInteractionHead;
  import org.apache.causeway.core.metamodel.object.ManagedObject;
  import org.apache.causeway.core.metamodel.spec.ObjectSpecification;
  import org.apache.causeway.core.metamodel.spec.feature.OneToManyAssociation;
  
  public class ActionParameterChoicesFacetFromParentedCollection
  extends ActionParameterChoicesFacetAbstract {
  
      private final OneToManyAssociation coll;
  
      public ActionParameterChoicesFacetFromParentedCollection(
              final FacetHolder holder,
              final OneToManyAssociation coll) {
          super(holder);
          this.coll = coll;
      }
  
      @Override
      public Can<ManagedObject> getChoices(
              final ObjectSpecification requiredSpec,
              final ActionInteractionHead head,
              final Can<ManagedObject> pendingArgs,
              final InteractionInitiatedBy interactionInitiatedBy) {
  
          var collectionAsObject = coll.get(head.owner(), interactionInitiatedBy);
          return CollectionFacet.streamAdapters(collectionAsObject).collect(Can.toCan());
      }
  
      @Override
      public void visitAttributes(final BiConsumer<String, Object> visitor) {
          super.visitAttributes(visitor);
          visitor.accept("oneToManyAssociation", coll.getId());
      }
  }
  