f1c7afcc3f
8306572: Implementation of Scoped Values (Preview) Co-authored-by: Alan Bateman <alanb@openjdk.org> Co-authored-by: Andrew Haley <aph@openjdk.org> Reviewed-by: psandoz, dfuchs, mchung
72 lines
3.1 KiB
Java
72 lines
3.1 KiB
Java
/*
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* Copyright (c) 2021, Red Hat, Inc. 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.
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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 org.openjdk.bench.java.lang;
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import java.util.concurrent.atomic.AtomicInteger;
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import java.util.concurrent.atomic.AtomicReference;
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@SuppressWarnings("preview")
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public class ScopedValuesData {
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static final ScopedValue<Integer> sl1 = ScopedValue.newInstance();
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static final ThreadLocal<Integer> tl1 = new ThreadLocal<>();
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static final ScopedValue<Integer> sl2 = ScopedValue.newInstance();
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static final ScopedValue<Integer> sl3 = ScopedValue.newInstance();
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static final ScopedValue<Integer> sl4 = ScopedValue.newInstance();
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static final ScopedValue<Integer> sl5 = ScopedValue.newInstance();
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static final ScopedValue<Integer> sl6 = ScopedValue.newInstance();
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static final ScopedValue<AtomicInteger> sl_atomicInt = ScopedValue.newInstance();
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static final ScopedValue<Integer> unbound = ScopedValue.newInstance();
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static final ScopedValue<AtomicReference<Integer>> sl_atomicRef = ScopedValue.newInstance();
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static final ThreadLocal<Integer> tl2 = new ThreadLocal<>();
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static final ThreadLocal<Integer> tl3 = new ThreadLocal<>();
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static final ThreadLocal<Integer> tl4 = new ThreadLocal<>();
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static final ThreadLocal<Integer> tl5 = new ThreadLocal<>();
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static final ThreadLocal<Integer> tl6 = new ThreadLocal<>();
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static final ThreadLocal<AtomicInteger> tl_atomicInt = new ThreadLocal<>();
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static final ScopedValue.Carrier VALUES = ScopedValue
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.where(sl1, 42).where(sl2, 2).where(sl3, 3)
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.where(sl4, 4).where(sl5, 5).where(sl6, 6);
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public static void run(Runnable action) {
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try {
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tl1.set(42); tl2.set(2); tl3.set(3); tl4.set(4); tl5.set(5); tl6.set(6);
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tl1.get(); // Create the ScopedValue cache as a side effect
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tl_atomicInt.set(new AtomicInteger());
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VALUES.where(sl_atomicInt, new AtomicInteger())
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.where(sl_atomicRef, new AtomicReference<>())
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.run(action);
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} finally {
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tl1.remove(); tl2.remove(); tl3.remove(); tl4.remove(); tl5.remove(); tl6.remove();
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tl_atomicInt.remove();
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}
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}
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}
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