RFR: 8248862: Implement Enhanced Pseudo-Random Number Generators [v3]

[Jim Laskey]

On Wed, 25 Nov 2020 14:10:17 GMT, Rémi Forax <github.com+828220+forax at 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 497:
> 
>> 495:             ensureConstructors();
>> 496:             return ctorLong.newInstance(seed);
>> 497:         } catch (Exception ex) {
> 
> this one is very dubious because the result in an exception is thrown is a random generator with the wrong seed

This is explained in the docs.

> src/java.base/share/classes/java/util/random/RandomGeneratorFactory.java line 480:
> 
>> 478:         } catch (Exception ex) {
>> 479:             // Should never happen.
>> 480:             throw new IllegalStateException("Random algorithm " + name() + " is missing a default constructor");
> 
> chain the exception ...

agree

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PR: https://git.openjdk.java.net/jdk/pull/1292