1 /*
2  * Copyright (C) 2008 The Guava Authors
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except
5  * in compliance with the License. You may obtain a copy of the License at
6  *
7  * http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software distributed under the License
10  * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express
11  * or implied. See the License for the specific language governing permissions and limitations under
12  * the License.
13  */
14 
15 package com.google.common.collect.testing.features;
16 
17 import com.google.common.annotations.GwtCompatible;
18 import java.lang.annotation.Documented;
19 import java.lang.annotation.Retention;
20 import java.lang.annotation.RetentionPolicy;
21 import java.lang.annotation.Target;
22 
23 /**
24  * Use this to meta-annotate {@code XxxFeature.Require} annotations, so that those annotations can
25  * be used to decide whether to apply a test to a given class-under-test.
26  *
27  * <p>This is needed because annotations can't implement interfaces, which is also why reflection is
28  * used to extract values from the properties of the various annotations.
29  *
30  * @author George van den Driessche
31  */
32 @Target(value = {java.lang.annotation.ElementType.ANNOTATION_TYPE})
33 @Retention(value = RetentionPolicy.RUNTIME)
34 @Documented
35 @GwtCompatible
36 public @interface TesterAnnotation {}
37