[jboss-jira] [JBoss JIRA] Updated: (JBRULES-483) Open Decision Table API to allow custom RuleSheetListeners

[Steven Williams (JIRA)]

     [ http://jira.jboss.com/jira/browse/JBRULES-483?page=all ]

Steven Williams updated JBRULES-483:
------------------------------------

    Attachment: RuleSheetListener.java
                SpreadsheetCompiler.java
                Rule.java

Changed files for request

> Open Decision Table API to allow custom RuleSheetListeners
> ----------------------------------------------------------
>
>                 Key: JBRULES-483
>                 URL: http://jira.jboss.com/jira/browse/JBRULES-483
>             Project: JBoss Rules
>          Issue Type: Feature Request
>      Security Level: Public(Everyone can see) 
>          Components: Decision tables
>            Reporter: Steven Williams
>         Assigned To: Mark Proctor
>         Attachments: Rule.java, RuleSheetListener.java, SpreadsheetCompiler.java
>
>
> I have a need for a different format for my decision tables - basically instead of the current format with one row per rule with conditions across the top I need to support a matrix-like structure where both the horizontal and the vertical axes represent conditions and the intersection represents the action. In order to do this I created my own MatrixRuleSheetListener inheriting from RuleSheetListener and overriding certain methods. This all works fine however I had to hack the drools code a little to allow me to do it. I was wondering if it would be possible to open up the API to allow this.
> Specifically:
> 1. add method to org.drools.decisiontable.parser.RuleSheetListener
>     protected void addRule(Rule rule)
>     {
>         this._ruleList.add(rule);
>     }
> 2. add empty protected methods preInitRuleTable(row, column, value) and postInitRuleTable(row, column, value, rule) to org.drools.decisiontable.parser.RuleSheetListener which are called from the start and end of the initRuleTable method.
> 3. Add agendaGroup property to org.drools.decisiontable.model.Rule
> 4. Add a new method compile(InputStream, InputType, RuleSheetListener) to org.drools.decisiontable.SpreadsheetCompiler
> I have attached these changes to this request.
> Steve

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