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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *     http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software 
12   * distributed under the License is distributed on an "AS IS" BASIS, 
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 
14   * See the License for the specific language governing permissions and 
15   * limitations under the License.
16   */
17  
18  package org.apache.jdo.impl.model.jdo;
19  
20  import org.apache.jdo.model.java.JavaType;
21  import org.apache.jdo.model.jdo.JDOReference;
22  
23  /***
24   * An instance of this class represents the JDO relationship metadata 
25   * of a reference relationship field.
26   *
27   * @author Michael Bouschen
28   */
29  public class JDOReferenceImplDynamic extends JDORelationshipImpl 
30      implements JDOReference
31  {
32  
33      /***
34       * Determines whether this JDORelationship represents a reference
35       * relationship or not. A return of <code>true</code> means this
36       * JDORelationship is a JDOReference instance.
37       * @return <code>true</code> if this JDORelationship represents a
38       * reference relationship; <code>false</code> otherwise.
39       */
40      public boolean isJDOReference() {
41          return true;
42      }
43  
44      //========= Internal helper methods ==========
45  
46      /*** 
47       * Get the type representation of the relationship. This will be 
48       * the JavaType for references, the element type for collections
49       * and arrays, and the value type for maps.
50       * @return the relationship type
51       */
52      public JavaType getRelatedJavaType() {
53          return getDeclaringField().getType();
54      }
55  
56  }