EntityManagerReferencesHandler


1   /*
2    * The contents of this file are subject to the terms 
3    * of the Common Development and Distribution License 
4    * (the License).  You may not use this file except in
5    * compliance with the License.
6    * 
7    * You can obtain a copy of the license at 
8    * https://glassfish.dev.java.net/public/CDDLv1.0.html or
9    * glassfish/bootstrap/legal/CDDLv1.0.txt.
10   * See the License for the specific language governing 
11   * permissions and limitations under the License.
12   * 
13   * When distributing Covered Code, include this CDDL 
14   * Header Notice in each file and include the License file 
15   * at glassfish/bootstrap/legal/CDDLv1.0.txt.  
16   * If applicable, add the following below the CDDL Header, 
17   * with the fields enclosed by brackets [] replaced by
18   * you own identifying information: 
19   * "Portions Copyrighted [year] [name of copyright owner]"
20   * 
21   * Copyright 2006 Sun Microsystems, Inc. All rights reserved.
22   */
23  package com.sun.enterprise.deployment.annotation.handlers;
24  
25  import java.lang.annotation.Annotation  ;
26  import java.lang.annotation.ElementType  ;
27  import java.lang.reflect.AnnotatedElement  ;
28  import java.lang.reflect.Method  ;
29  import java.util.ArrayList  ;
30  import java.util.List  ;
31  
32  import javax.persistence.PersistenceContext;
33  import javax.persistence.PersistenceContexts;
34  
35  import com.sun.enterprise.deployment.annotation.AnnotationInfo;
36  import com.sun.enterprise.deployment.annotation.AnnotationProcessorException;
37  import com.sun.enterprise.deployment.annotation.HandlerProcessingResult;
38  import com.sun.enterprise.deployment.annotation.context.ResourceContainerContext;
39  
40  /**
41   * This handler is responsible for handling the 
42   * javax.persistence.PersistenceContexts annotation.
43   *
44   */
45  public class EntityManagerReferencesHandler 
46      extends EntityManagerReferenceHandler {
47      
48      public EntityManagerReferencesHandler() {
49      }
50      
51      /**
52       * @return the annoation type this annotation handler is handling
53       */
54      public Class  <? extends Annotation  > getAnnotationType() {
55          return PersistenceContexts.class;
56      }    
57          
58  
59      protected HandlerProcessingResult processAnnotation(AnnotationInfo ainfo,
60              ResourceContainerContext[] rcContexts)
61              throws AnnotationProcessorException {
62  
63          PersistenceContexts annotation = (PersistenceContexts) 
64              ainfo.getAnnotation();
65          
66          PersistenceContext[] emRefAnnotations = annotation.value();
67          List  <HandlerProcessingResult> results = new ArrayList  <HandlerProcessingResult>();
68  
69          for(PersistenceContext emRef : emRefAnnotations) {
70              results.add(processEmRef(ainfo, rcContexts, emRef));
71          }
72  
73          return getOverallProcessingResult(results);
74      }
75  
76  }
77
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