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Posted to commits@cayenne.apache.org by "Andrus Adamchik (JIRA)" <ji...@apache.org> on 2012/10/31 20:04:11 UTC
[jira] [Closed] (CAY-1726) Expression parser support for bit
operators, support for << and >>
[ https://issues.apache.org/jira/browse/CAY-1726?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Andrus Adamchik closed CAY-1726.
--------------------------------
Resolution: Fixed
Fix Version/s: 3.2M1
Committed to 3.2. Thanks Vital!
> Expression parser support for bit operators, support for << and >>
> ------------------------------------------------------------------
>
> Key: CAY-1726
> URL: https://issues.apache.org/jira/browse/CAY-1726
> Project: Cayenne
> Issue Type: Bug
> Components: Core Library
> Reporter: Andrus Adamchik
> Assignee: Andrus Adamchik
> Fix For: 3.2M1
>
> Attachments: 0001-Cayenne-3.1-supplies-bitwise-operations.patch
>
>
> Building upon CAY-1693, let's create support for bit operations in String expressions. Parser BNF [1] need to be expanded to include &, |, ^, ~, hence allowing creation of these expressions via 'Expression.fromString(..)". Some examples of how those might look like:
> someProperty & 3 = 1
> someOtherProperty | 1 = 0
> someOtherProperty ^ 1 = 0
> ~yetAnotherProperty = 1
> someProperty & ~yetAnotherProperty = 1
> [1] http://cayenne.apache.org/doc/bnf-for-expressionparser.html
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