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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   }

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