NonNull


1   /*
2    * Bytecode Analysis Framework
3    * Copyright (C) 2005 University of Maryland
4    * 
5    * This library is free software; you can redistribute it and/or
6    * modify it under the terms of the GNU Lesser General Public
7    * License as published by the Free Software Foundation; either
8    * version 2.1 of the License, or (at your option) any later version.
9    * 
10   * This library is distributed in the hope that it will be useful,
11   * but WITHOUT ANY WARRANTY; without even the implied warranty of
12   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13   * Lesser General Public License for more details.
14   * 
15   * You should have received a copy of the GNU Lesser General Public
16   * License along with this library; if not, write to the Free Software
17   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18   */
19  package edu.umd.cs.findbugs.annotations;
20  
21  import java.lang.annotation.Documented  ;
22  import java.lang.annotation.ElementType  ;
23  import java.lang.annotation.Retention  ;
24  import java.lang.annotation.RetentionPolicy  ;
25  import java.lang.annotation.Target  ;
26  
27  /**
28   * The annotated element must not be null. 
29   * 
30   * Annotated Fields must only not be null after construction
31   * has completed. Annotated methods must have non-null return values. 
32   **/
33  @Documented  
34  @Target  ({ElementType.FIELD, ElementType.METHOD,
35           ElementType.PARAMETER, 
36           ElementType.LOCAL_VARIABLE})
37  @Retention  (RetentionPolicy.CLASS)
38  public @interface NonNull {
39  
40  }
41

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