Gilles created TEXT-37:
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Summary: Global vs local source of randomness
Key: TEXT-37
URL: https://issues.apache.org/jira/browse/TEXT-37
Project: Commons Text
Issue Type: Improvement
Reporter: Gilles
Fix For: 1.0
This is a follow-up of a
[discussion|https://issues.apache.org/jira/browse/TEXT-34?focusedCommentId=15761636&page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel#comment-15761636]
held in TEXT-34.
By default, {{RandomStringBuilder}} will use a shared {{java.util.Random}}
object.
I think that the decision of which generator to use lies with the code that
_constructs_ the {{RandomStringBuilder}} instance, not with code that _uses_ it
(to build a string).
It would be safer to pass the RNG instance at construction (since, anyways, the
constructor must be called):
{code}
RandomStringBuilder sb = new RandomStringBuilder(new MyRandom());
String s = sb.ofLength(length).build();
{code}
In the above, the {{MyRandom}} type is the subject of TEXT-36.
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