52 lines
2.2 KiB
Java
52 lines
2.2 KiB
Java
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/*
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* Copyright (c) 2020, Oracle and/or its affiliates. All rights reserved.
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* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
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*
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* This code is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 only, as
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* published by the Free Software Foundation. Oracle designates this
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* particular file as subject to the "Classpath" exception as provided
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* by Oracle in the LICENSE file that accompanied this code.
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*
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* This code is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
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* version 2 for more details (a copy is included in the LICENSE file that
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* accompanied this code).
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*
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* You should have received a copy of the GNU General Public License version
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* 2 along with this work; if not, write to the Free Software Foundation,
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* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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*
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* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
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* or visit www.oracle.com if you need additional information or have any
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* questions.
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*/
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package jdk.internal;
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import java.lang.annotation.Retention;
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import java.lang.annotation.RetentionPolicy;
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import java.lang.annotation.Target;
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import static java.lang.annotation.ElementType.TYPE;
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/**
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* Indicates the API declaration in question is associated with a Value Based class.
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* References to <a href="../lang/doc-files/ValueBased.html">value-based classes</a>
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* should produce warnings about behavior that is inconsistent with value based semantics.
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*
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* Note this internal annotation is handled specially by the javac compiler.
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* To work properly with {@code --release older-release}, it requires special
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* handling in {@code make/langtools/src/classes/build/tools/symbolgenerator/CreateSymbols.java}
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* and {@code src/jdk.compiler/share/classes/com/sun/tools/javac/jvm/ClassReader.java}.
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*
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* @since 16
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*/
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// Android-changed: RetentionPolicy.SOURCE is sufficient as this is no-op on Android.
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// @Retention(RetentionPolicy.RUNTIME)
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@Retention(RetentionPolicy.SOURCE)
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@Target(value={TYPE})
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public @interface ValueBased {
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}
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