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Posted to dev@tinkerpop.apache.org by "Matt Frantz (JIRA)" <ji...@apache.org> on 2015/08/31 20:17:45 UTC
[jira] [Assigned] (TINKERPOP3-750) Compare should not have special
case for Number
[ https://issues.apache.org/jira/browse/TINKERPOP3-750?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Matt Frantz reassigned TINKERPOP3-750:
--------------------------------------
Assignee: Matt Frantz
> Compare should not have special case for Number
> -----------------------------------------------
>
> Key: TINKERPOP3-750
> URL: https://issues.apache.org/jira/browse/TINKERPOP3-750
> Project: TinkerPop 3
> Issue Type: Improvement
> Components: process
> Affects Versions: 3.0.0-incubating
> Reporter: Matt Frantz
> Assignee: Matt Frantz
>
> The current implementation of {{Compare}} has a special case for {{Number}} which uses {{doubleValue}} for all comparisons. However, this fails for some implementations of {{Number}}, e.g. {{BigInteger}}. Also, most implementations of {{Number}} implement {{Comparable}} for appropriately typed arguments. It should be more robust and less surprising to simply use {{Object.equals}} and {{Comparable.compareTo}}. This would also be more performant as it removes the {{instanceof}} checks.
> If we want the option of treating all numbers as doubles, perhaps something called {{CompareDouble}} would be more appropriate.
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