NonNull


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 1997-2006 Sun
17   * Microsystems, Inc. All Rights Reserved.
18   */
19  
20  package org.netbeans.api.gsf.annotations;
21  
22  import java.lang.annotation.Documented  ;
23  import java.lang.annotation.ElementType  ;
24  import java.lang.annotation.Retention  ;
25  import java.lang.annotation.RetentionPolicy  ;
26  import java.lang.annotation.Target  ;
27  
28  /**
29   * The annotation target should never be null. This means that it is an error to set it to
30   * null (in the case of fields or variables), or pass in null (in the case of parameters), or
31   * return null (in the case of methods).  It is also unnecessary to check whether these
32   * targets are null in client code.
33   */
34  @Documented  
35  @Target  ({ElementType.FIELD, ElementType.METHOD, ElementType.PARAMETER, ElementType.LOCAL_VARIABLE})
36  @Retention  (RetentionPolicy.CLASS)
37  public @interface NonNull {
38  }
39

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