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https://issues.apache.org/jira/browse/RNG-127?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17396626#comment-17396626
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Gilles Sadowski commented on RNG-127:
-------------------------------------
bq. is creating by name the only mechanism to obtain a specific generator.
No but that's the one likely to be used by most users (casual use would be
through the
[{{getDefault()}}|https://cr.openjdk.java.net/~iris/se/17/build/latest/api/java.base/java/util/random/RandomGeneratorFactory.html#getDefault()]
method). The other way is to get
[all|https://cr.openjdk.java.net/~iris/se/17/build/latest/api/java.base/java/util/random/RandomGeneratorFactory.html#all()]
the available implementations and use the stream API to filter on various
[properties|https://cr.openjdk.java.net/~iris/se/17/build/latest/api/java.base/java/util/random/RandomGeneratorFactory.html]
(e.g. [state
size|https://cr.openjdk.java.net/~iris/se/17/build/latest/api/java.base/java/util/random/RandomGeneratorFactory.html#stateBits()]).
I'd think that the first step is to add the property methods to
{{RandomSource}}.
> Assess future compatibility with JEP 356: Enhanced Pseudo-Random Number
> Generators
> -----------------------------------------------------------------------------------
>
> Key: RNG-127
> URL: https://issues.apache.org/jira/browse/RNG-127
> Project: Commons RNG
> Issue Type: Task
> Components: client-api
> Affects Versions: 1.3
> Reporter: Alex Herbert
> Priority: Minor
>
> JEP 356 specifies an enhancement to the random number generators. This is
> targeted to JDK 17.
> [JEP 356: Enhanced Pseudo-Random Number
> Generators|https://openjdk.java.net/jeps/356]
> The enhancement will add interfaces to the JDK for random number generation:
> * SplittableRandomGenerator extends RandomGenerator and also provides
> methods named split and splits. Splittability allows the user to spawn a new
> RandomGenerator from an existing RandomGenerator that will generally produce
> statistically independent results.
> * JumpableRandomGenerator extends RandomGenerator and also provides
> methods named jump and jumps. Jumpability allows a user to jump ahead a
> moderate number of draws.
> * LeapableRandomGenerator extends RandomGenerator and also provides
> methods named leap and leaps. Leapability allows a user to jump ahead a
> large number of draws.
> * ArbitrarilyJumpableRandomGenerator extends LeapableRandomGenerator and
> also provides additional variations of jump and jumps that allow an arbitrary
> jump distance to be specified.
> The specification describes the development of abstract classes that would
> allow different algorithms to be easily implemented by developers and used
> with a Java application through a common interface. This would replicate the
> functionality of the Common RNG API and core modules within the JDK.
> The JDK interfaces should be compared with the current client API in Commons
> RNG with the aim to assess:
> # Compatibility
> # Potential to back-port functionality
> JEP 356 also mentions the implementation of the LXM family of RNGs and a
> change to the algorithm used by SplittableRandom to address two weaknesses
> identified in 2016. These could be included in the current codebase pending
> license compatibility checks.
>
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