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.spec.feature;
  
  import org.apache.causeway.core.metamodel.consent.InteractionInitiatedBy;
  import org.apache.causeway.core.metamodel.object.ManagedObject;
  
  /**
   * Mix-in interface for {@link ObjectFeature}s that reference or otherwise
   * contain a 'current' value.
   *
   * <p>
   * Examples include {@link OneToOneAssociation properties},
   * {@link OneToManyAssociation collection}s and {@link OneToOneActionParameter
   * action parameter}s (but not {@link ObjectAction action}s themselves).
   */
  public interface CurrentHolder {
  
      /**
       * Returns the referenced {@link ManagedObject} for the owning
       * {@link ManagedObject}.
       *
       * <p>
       * For example, if this is an {@link OneToOneAssociation}, then returns the
       * referenced object.
       */
      ManagedObject get(ManagedObject owner, InteractionInitiatedBy interactionInitiatedBy);
  
  }
  