HADOOP-17947. Provide alternative to Guava VisibleForTesting (#3505)

Reviewed-by: Steve Loughran <stevel@apache.org>
Signed-off-by: Takanobu Asanuma <tasanuma@apache.org>
(cherry picked from commit 5b1d594005)
This commit is contained in:
Viraj Jasani 2021-10-05 06:28:54 +05:30 committed by Takanobu Asanuma
parent feeaebeb84
commit da011baf85

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/*
* Licensed to the Apache Software Foundation (ASF) under one
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* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
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package org.apache.hadoop.classification;
import java.lang.annotation.Documented;
import java.lang.annotation.ElementType;
import java.lang.annotation.Retention;
import java.lang.annotation.RetentionPolicy;
import java.lang.annotation.Target;
/**
* Annotates a program element that exists, or is more widely visible than
* otherwise necessary, specifically for use in test code.
* More precisely <i>test code within the hadoop-* modules</i>.
* Moreover, this gives the implicit scope and stability of:
* <pre>
* {@link InterfaceAudience.Private}
* {@link InterfaceStability.Unstable}
* </pre>
* If external modules need to access/override these methods, then
* they MUST be re-scoped as public/limited private.
*/
@Retention(RetentionPolicy.CLASS)
@Target({ ElementType.TYPE, ElementType.METHOD })
@Documented
public @interface VisibleForTesting {
}