[
https://issues.apache.org/jira/browse/RNG-33?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15849092#comment-15849092
]
Gilles commented on RNG-33:
---------------------------
Here is a way to somewhat alleviate your pain (if you use Java 8).
Given this factory class:
{code}
import java.util.function.IntSupplier;
import java.util.stream.IntStream;
import org.apache.commons.rng.UniformRandomProvider;
import org.apache.commons.rng.simple.RandomSource;
public class RngStreamFactory {
private final UniformRandomProvider rng;
public RngStreamFactory(RandomSource source) {
this(source, null);
}
public RngStreamFactory(RandomSource source,
Object seed) {
rng = source.create(source, seed);
}
public IntStream nextInt() {
return IntStream.generate(() -> rng.nextInt());
}
}
{code}
usage would be
{code}
final RngStreamFactory s = new RngStreamFactory(RandomSource.KISS);
final int[] a = s.nextInt().limit(10).toArray();
{code}
If you absolutely need a {{byte\[\]}}, then it is not as straightforward. :(
Can we resolve this issue?
> Consider adding convenience methods to UniformRandomProvider
> ------------------------------------------------------------
>
> Key: RNG-33
> URL: https://issues.apache.org/jira/browse/RNG-33
> Project: Commons RNG
> Issue Type: Improvement
> Affects Versions: 1.0
> Reporter: Duncan Jones
> Priority: Minor
>
> Commons Lang maintains a class called
> [{{RandomUtils}}|http://commons.apache.org/proper/commons-lang/javadocs/api-release/org/apache/commons/lang3/RandomUtils.html],
> which supplements the methods offered by {{java.util.Random}}.
> If similar methods were added to {{UniformRandomProvider}}, we could
> deprecate {{RandomUtils}} in favour of using RNG.
--
This message was sent by Atlassian JIRA
(v6.3.15#6346)
