1 // Protocol Buffers - Google's data interchange format 2 // Copyright 2008 Google Inc. All rights reserved. 3 // https://developers.google.com/protocol-buffers/ 4 // 5 // Redistribution and use in source and binary forms, with or without 6 // modification, are permitted provided that the following conditions are 7 // met: 8 // 9 // * Redistributions of source code must retain the above copyright 10 // notice, this list of conditions and the following disclaimer. 11 // * Redistributions in binary form must reproduce the above 12 // copyright notice, this list of conditions and the following disclaimer 13 // in the documentation and/or other materials provided with the 14 // distribution. 15 // * Neither the name of Google Inc. nor the names of its 16 // contributors may be used to endorse or promote products derived from 17 // this software without specific prior written permission. 18 // 19 // THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 20 // "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 21 // LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 22 // A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 23 // OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 24 // SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 25 // LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 26 // DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 27 // THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 28 // (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 29 // OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 30 31 package com.google.protobuf; 32 33 import java.lang.annotation.Documented; 34 import java.lang.annotation.ElementType; 35 import java.lang.annotation.Retention; 36 import java.lang.annotation.RetentionPolicy; 37 import java.lang.annotation.Target; 38 39 /** 40 * Indicates a public API that can change at any time, and has no guarantee of API stability and 41 * backward-compatibility. 42 * 43 * <p>Usage guidelines: 44 * <ol> 45 * <li>This annotation is used only on public API. Internal interfaces should not use it.</li> 46 * <li>This annotation should only be added to new APIs. Adding it to an existing API is 47 * considered API-breaking.</li> 48 * <li>Removing this annotation from an API gives it stable status.</li> 49 * </ol> 50 */ 51 @Retention(RetentionPolicy.SOURCE) 52 @Target({ 53 ElementType.ANNOTATION_TYPE, 54 ElementType.CONSTRUCTOR, 55 ElementType.FIELD, 56 ElementType.METHOD, 57 ElementType.PACKAGE, 58 ElementType.TYPE}) 59 @Documented 60 public @interface ExperimentalApi { 61 /** 62 * Context information such as links to discussion thread, tracking issue etc. 63 */ 64 String value() default ""; 65 } 66 67
