On Wed, 25 Nov 2020 13:38:59 GMT, Rémi Forax
<github.com+828220+fo...@openjdk.org> wrote:
>> Jim Laskey has updated the pull request incrementally with one additional
>> commit since the last revision:
>>
>> 8248862: Implement Enhanced Pseudo-Random Number Generators
>>
>> Changes to RandomGeneratorFactory requested by @PaulSandoz
>
> src/java.base/share/classes/java/util/random/RandomGeneratorFactory.java line
> 106:
>
>> 104: * Map of provider classes.
>> 105: */
>> 106: private static volatile Map<String, Provider<? extends
>> RandomGenerator>> factoryMap;
>
> should be FACTORY_MAP given that it's a static field
will fall out of using class holder idiom
> src/java.base/share/classes/java/util/random/RandomGeneratorFactory.java line
> 151:
>
>> 149: if (fm == null) {
>> 150: synchronized (RandomGeneratorFactory.class) {
>> 151: if (RandomGeneratorFactory.factoryMap == null) {
>
> if `RandomGeneratorFactory.factoryMap` is not null, it returns null because
> the value is not stored in fm.
>
> Please use the class holder idiom (cf Effective Java) instead of using the
> double-check locking pattern.
? set in 148 and 152, but class holder idiom +1
-------------
PR: https://git.openjdk.java.net/jdk/pull/1292
