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8288723: Avoid redundant ConcurrentHashMap.get call in java.time

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Reviewed-by: attila, rriggs
This commit is contained in:
Andrey Turbanov 2022-07-21 10:22:58 +00:00
parent 3582fd9e93
commit 52cc6cd063
4 changed files with 14 additions and 28 deletions
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10
src/java.base/share/classes/java/time/format/DateTimeTextProvider.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2012, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -309,13 +309,7 @@ class DateTimeTextProvider {
private Object findStore(TemporalField field, Locale locale) {
Entry<TemporalField, Locale> key = createEntry(field, locale);
Object store = CACHE.get(key);
if (store == null) {
store = createStore(field, locale);
CACHE.putIfAbsent(key, store);
store = CACHE.get(key);
}
return store;
return CACHE.computeIfAbsent(key, e -> createStore(e.getKey(), e.getValue()));
}
private static int toWeekDay(int calWeekDay) {

10
src/java.base/share/classes/java/time/format/DecimalStyle.java
View file

@ -1,5 +1,5 @@
/*
* Copyright (c) 2012, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2012, 2022, Oracle and/or its affiliates. All rights reserved.
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
*
* This code is free software; you can redistribute it and/or modify it
@ -160,13 +160,7 @@ public final class DecimalStyle {
*/
public static DecimalStyle of(Locale locale) {
Objects.requireNonNull(locale, "locale");
DecimalStyle info = CACHE.get(locale);
if (info == null) {
info = create(locale);
CACHE.putIfAbsent(locale, info);
info = CACHE.get(locale);
}
return info;
return CACHE.computeIfAbsent(locale, DecimalStyle::create);
}
private static DecimalStyle create(Locale locale) {