More appropriate id's for useIDs option with websphere when meeting in the 
middle
---------------------------------------------------------------------------------

         Key: XDT-1523
         URL: http://opensource.atlassian.com/projects/xdoclet/browse/XDT-1523
     Project: XDoclet
        Type: Improvement
  Components: IBM Module  
 Environment: Websphere 6 / IRAD 6
 Reporter: Spenk
 Assigned to: xdoclet-devel (Use for new issues) 
    Priority: Minor


When using "useIDs" to generate ejb-jar.xml, currently each cmp-field gets an 
id that contains an index.
This ID looks as follows: "CMPAttribute_<XdtID>".
After rerunning XDoclet, new indexes will be applied. This will mess up any 
references to the cmp-field, unless they are updated likewise.

Unfortunately we are using a meet-in-the-middle approach with Websphere, which 
means the file map.mapxmi should remain fairly stable apart from new fields or 
renamed fields.

I resolved this by generating a stable id as follows:

        <XDtEjbCmp:forAllCmpFields>
         <cmp-field id="CMPAttribute_<XDtEjb:ejbName/>_<XDtEjbCmp:fieldName/>">
            
<description><![CDATA[<XDtMethod:firstSentenceDescriptionOfCurrentMethod/>]]></description>
            <field-name><XDtEjbCmp:fieldName/></field-name>
         </cmp-field>
        </XDtEjbCmp:forAllCmpFields>

My suggestion would be to support the meet-in-the-middle approach with a new 
attribute.
Perhaps "useFixedIDs" would be nice add-on?

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