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1 /*
2  * Copyright (C) 2013 Google Inc.
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  * http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 package com.google.caliper;
18 
19 import static java.lang.annotation.ElementType.METHOD;
20 import static java.lang.annotation.RetentionPolicy.RUNTIME;
21 
22 import java.lang.annotation.Annotation;
23 import java.lang.annotation.Retention;
24 import java.lang.annotation.Target;
25 
26 /**
27  * An annotation for methods to be run before an experiment has been performed.
28  *
29  * @see AfterExperiment
30  */
31 @Target(METHOD)
32 @Retention(RUNTIME)
33 public @interface BeforeExperiment {
34   /**
35    * A qualifier for which types of experiments this method should run. For example, annotating a
36    * method with {@code @BeforeExperiment(Benchmark.class)} will cause it to only run for
37    * {@link Benchmark} experiments. By default, annotated methods run for all experiments.
38    */
value()39   Class<? extends Annotation> value() default All.class;
40 }
41