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From "Michael Vorburger (JIRA)" <j...@apache.org>
Subject [jira] [Commented] (BEANUTILS-406) DynaClassReader to read DynaClass definitions from a "DSL"
Date Sat, 02 Mar 2013 23:23:12 GMT

    [ https://issues.apache.org/jira/browse/BEANUTILS-406?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13591560#comment-13591560
] 

Michael Vorburger commented on BEANUTILS-406:
---------------------------------------------

Hi Benedikt, thanks for the interest. This was a while ago.. ;) Personally I've moved on since
then to EMF which thanks to http://wiki.eclipse.org/Xcore now offers something very similar.
Unfortunately many people (unjustifieldy!) still think of EMF as an "Eclipse technology only"
(when, actually, if runs just fine "standalone"), and my impression has been that Bean Utils
Dyna Beans, though dated, appears to still be better known within the Java community at large.
                
> DynaClassReader to read DynaClass definitions from a "DSL"
> ----------------------------------------------------------
>
>                 Key: BEANUTILS-406
>                 URL: https://issues.apache.org/jira/browse/BEANUTILS-406
>             Project: Commons BeanUtils
>          Issue Type: New Feature
>          Components: DynaBean
>    Affects Versions: 1.8.3
>            Reporter: Michael Vorburger
>            Assignee: Benedikt Ritter
>             Fix For: LATER THAN 1.8.4
>
>         Attachments: 0002-BEANUTILS-406-DynaClassReader-to-read-DynaClass-defi.patch
>
>
> It could sometimes be very useful to create DynaClass definitions not only programmatically
(as is possible today), but to define data structures in some textual format (a "DSL"), and
load that into DynaClass/DynaProperty and create DynaBeans from that.
> This isn't very hard to add to BeanUtils (I've done it and will attach a patch) and would
allow the following usage, given:
> {noformat}Address  { 
> 	zip:  java.lang.Long 
> }
> Employee {
>         firstName : java.lang.String
> 	lastName :java.lang.String   
> 	
> 	mainAddress  : Address
> 	boss         : Employee
> 	subordinates : Employee *
> 	address      : Address <>
> }{noformat}
> one could then use the new proposed DynaClassReader like so:
> {noformat}DynaClassReader r = new DynaClassReader();
> r.readClasspathResource("/DynaClassReaderTest.domain.txt");
> DynaClass klass = r.getDynaClass("Employee");
> {noformat}
> This requires BEANUTILS-405.

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