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
   *
   *    https://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.cayenne.reflect;
  
  import org.apache.cayenne.Persistent;
  import org.apache.cayenne.di.AdhocObjectFactory;
  import org.apache.cayenne.map.Embeddable;
  
  /**
   * A default POJO embeddable descriptor.
   * 
   * @since 3.0
   */
  public class FieldEmbeddableDescriptor implements EmbeddableDescriptor {
  
      protected Class<?> embeddableClass;
      protected Embeddable embeddable;
      protected Accessor ownerAccessor;
      protected Accessor embeddedPropertyAccessor;
  
      public FieldEmbeddableDescriptor(AdhocObjectFactory objectFactory, Embeddable embeddable,
                                       String ownerProperty, String embeddedPropertyProperty) {
          this.embeddable = embeddable;
          this.embeddableClass = objectFactory.getJavaClass(embeddable.getClassName());
          this.ownerAccessor = new FieldAccessor(embeddableClass, ownerProperty, Persistent.class);
          this.embeddedPropertyAccessor = new FieldAccessor(embeddableClass, embeddedPropertyProperty, String.class);
      }
  
      public Object createObject(Object owner, String embeddedProperty) {
          Object embeddable;
          try {
              embeddable = embeddableClass.getDeclaredConstructor().newInstance();
          } catch (Throwable e) {
              throw new PropertyException("Error creating embeddable object of class '" + embeddableClass.getName() + "'", e);
          }
  
          ownerAccessor.setValue(embeddable, owner);
          embeddedPropertyAccessor.setValue(embeddable, embeddedProperty);
          return embeddable;
  
      }
  
      public Embeddable getEmbeddable() {
          return embeddable;
      }
  
      public Class<?> getObjectClass() {
          return embeddableClass;
      }
  
  }
  