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    1   /*
    2    * Copyright (c) 2003, 2004, Oracle and/or its affiliates. All rights reserved.
    3    * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
    4    *
    5    * This code is free software; you can redistribute it and/or modify it
    6    * under the terms of the GNU General Public License version 2 only, as
    7    * published by the Free Software Foundation.  Oracle designates this
    8    * particular file as subject to the "Classpath" exception as provided
    9    * by Oracle in the LICENSE file that accompanied this code.
   10    *
   11    * This code is distributed in the hope that it will be useful, but WITHOUT
   12    * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
   13    * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
   14    * version 2 for more details (a copy is included in the LICENSE file that
   15    * accompanied this code).
   16    *
   17    * You should have received a copy of the GNU General Public License version
   18    * 2 along with this work; if not, write to the Free Software Foundation,
   19    * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
   20    *
   21    * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
   22    * or visit www.oracle.com if you need additional information or have any
   23    * questions.
   24    */
   25   
   26   package java.lang.annotation;
   27   
   28   /**
   29    * Annotation retention policy.  The constants of this enumerated type
   30    * describe the various policies for retaining annotations.  They are used
   31    * in conjunction with the {@link Retention} meta-annotation type to specify
   32    * how long annotations are to be retained.
   33    *
   34    * @author  Joshua Bloch
   35    * @since 1.5
   36    */
   37   public enum RetentionPolicy {
   38       /**
   39        * Annotations are to be discarded by the compiler.
   40        */
   41       SOURCE,
   42   
   43       /**
   44        * Annotations are to be recorded in the class file by the compiler
   45        * but need not be retained by the VM at run time.  This is the default
   46        * behavior.
   47        */
   48       CLASS,
   49   
   50       /**
   51        * Annotations are to be recorded in the class file by the compiler and
   52        * retained by the VM at run time, so they may be read reflectively.
   53        *
   54        * @see java.lang.reflect.AnnotatedElement
   55        */
   56       RUNTIME
   57   }

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