001/* 002 * Copyright (C) 2008 The Guava Authors 003 * 004 * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except 005 * in compliance with the License. You may obtain a copy of the License at 006 * 007 * http://www.apache.org/licenses/LICENSE-2.0 008 * 009 * Unless required by applicable law or agreed to in writing, software distributed under the License 010 * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express 011 * or implied. See the License for the specific language governing permissions and limitations under 012 * the License. 013 */ 014 015package com.google.common.collect.testing.features; 016 017import com.google.common.annotations.GwtCompatible; 018import java.lang.annotation.Documented; 019import java.lang.annotation.Retention; 020import java.lang.annotation.RetentionPolicy; 021import java.lang.annotation.Target; 022 023/** 024 * Use this to meta-annotate {@code XxxFeature.Require} annotations, so that those annotations can 025 * be used to decide whether to apply a test to a given class-under-test. 026 * 027 * <p>This is needed because annotations can't implement interfaces, which is also why reflection is 028 * used to extract values from the properties of the various annotations. 029 * 030 * @author George van den Driessche 031 */ 032@Target(value = {java.lang.annotation.ElementType.ANNOTATION_TYPE}) 033@Retention(value = RetentionPolicy.RUNTIME) 034@Documented 035@GwtCompatible 036public @interface TesterAnnotation {}