[ http://issues.apache.org/jira/browse/SANDBOX-146?page=all ]
Henri Yandell updated SANDBOX-146:
----------------------------------
Component: Id
> [id] New string identifier generators, PrefixedNumericGenerator &c.
> -------------------------------------------------------------------
>
> Key: SANDBOX-146
> URL: http://issues.apache.org/jira/browse/SANDBOX-146
> Project: Commons Sandbox
> Type: Improvement
> Components: Id
> Environment: Operating System: other
> Platform: Other
> Reporter: Michael Heuer
> Priority: Minor
> Attachments: src.tar.gz
>
> In order to generate identifiers for an instance of the Ensembl database [1],
> I needed a generator for
> identifiers of the style ENSG000001, ENSG000002, ENST000001, ENST000002,
> ENSP000001, and so on.
> Attached is a class PrefixedLeftPaddedNumericGenerator (sorry about the long
> class name) that solves
> this use case and also PrefixedNumericGenerator and
> PrefixedAlphanumericGenerator for
> completeness' sake.
> new PrefixedLeftPaddedNumericGenerator("foo", true, 5); returns
> foo01
> foo02
> foo03
> foo04
> foo05
> foo06
> foo07
> foo08
> foo09
> foo10
> foo11
> new PrefixedNumericGenerator("foo", true, 0L) returns
> foo1
> foo2
> foo3
> foo4
> foo5
> foo6
> foo7
> foo8
> foo9
> foo10
> foo11
> new PrefixedAlphanumericGenerator("foo", true, 5); returns
> foo01
> foo02
> foo03
> foo04
> foo05
> foo06
> foo07
> foo08
> foo09
> foo0a
> foo0b
> [1]
> > http://www.ensembl.org
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