NoIdClassOnEntitySubclass


1   /*
2    * The contents of this file are subject to the terms of the Common Development
3    * and Distribution License (the License). You may not use this file except in
4    * compliance with the License.
5    *
6    * You can obtain a copy of the License at http://www.netbeans.org/cddl.html
7    * or http://www.netbeans.org/cddl.txt.
8    *
9    * When distributing Covered Code, include this CDDL Header Notice in each file
10   * and include the License file at http://www.netbeans.org/cddl.txt.
11   * If applicable, add the following below the CDDL Header, with the fields
12   * enclosed by brackets [] replaced by your own identifying information:
13   * "Portions Copyrighted [year] [name of copyright owner]"
14   *
15   * The Original Software is NetBeans. The Initial Developer of the Original
16   * Software is Sun Microsystems, Inc. Portions Copyright 1997-2007 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  
20  package org.netbeans.modules.j2ee.jpa.verification.rules.entity;
21  
22  import java.util.Collections  ;
23  import javax.lang.model.element.Element;
24  import javax.lang.model.element.ElementKind;
25  import javax.lang.model.element.TypeElement;
26  import javax.lang.model.type.DeclaredType;
27  import javax.lang.model.type.TypeKind;
28  import javax.lang.model.type.TypeMirror;
29  import org.netbeans.modules.j2ee.jpa.model.JPAAnnotations;
30  import org.netbeans.modules.j2ee.jpa.verification.JPAClassRule;
31  import org.netbeans.modules.j2ee.jpa.verification.JPAClassRule.ClassConstraints;
32  import org.netbeans.modules.j2ee.jpa.verification.common.ProblemContext;
33  import org.netbeans.modules.j2ee.jpa.verification.common.Utilities;
34  import org.netbeans.spi.editor.hints.ErrorDescription;
35  import org.openide.util.NbBundle;
36  
37  /**
38   * An entity sub-class can not have Id field or property. Because that will lead
39   * to multiple Ids in hierarchy. Thus, an entity subclass can not also have
40   * IdClass.
41   *
42   * @author Sanjeeb.Sahoo@Sun.COM
43   * @author Tomasz.Slota@Sun.COM
44   */
45  public class NoIdClassOnEntitySubclass extends JPAClassRule {
46      
47      /** Creates a new instance of NoIdClassOnEntitySubclass */
48      public NoIdClassOnEntitySubclass() {
49          // not applicable to MappedSuperclass
50          setClassContraints(Collections.singleton(ClassConstraints.ENTITY));
51      }
52      
53      @Override   public ErrorDescription[] apply(TypeElement subject, ProblemContext ctx){
54          if (!Utilities.hasAnnotation(subject, JPAAnnotations.ID_CLASS)){
55              
56              TypeMirror superClassType = subject.getSuperclass();
57              
58              if (superClassType.getKind() == TypeKind.DECLARED){
59                  Element superClassElem = ((DeclaredType)superClassType).asElement();
60                  
61                  if (Utilities.hasAnnotation(superClassElem, JPAAnnotations.ENTITY)){
62                      return new ErrorDescription[]{createProblem(subject, ctx)};
63                  }
64              }
65          }
66          
67          return null;
68      }
69      
70      @Override   public String   getDescription(){
71          return NbBundle.getMessage(IdDefinedInHierarchy.class, "MSG_EntitySubclassHasIdClass");
72      }
73      
74  }
75
A to Z: JavaDoc & Examples Daily Java News & Articles Open Source Projects Open Source Codes Free Computer Books Remove Frame
Popular Tags