[rules-users] How to create object model (parse into object) from mvel string in drl file?

[Wolfgang Laun]

What *exactly* do you expect as the output of this parser for *this* example?
-W

On 21/01/2014, neal <swapnilaute at gmail.com> wrote:
> Below is the template to generate the rule statement (It is basic one).
> What I want to do is to read the string and convert into object.
>
> package @{package};
>
> @foreach{importEntry : imports}
> import @{importEntry};
> @end{}
>
> @foreach{importEntry : staticImports}
> import static @{importEntry};
> @end{}
>
> rule "@{ruleName}"
>
> dialect "@{dialectName}"
> salience @{salienceValue}
> enabled @{enableValue}
>
> when
> @foreach{modelObject : modelObjects} @{modelObject.referenceName} :
> @{modelObject.referenceType} ( @foreach{ attribute :
> modelObject.attributes}
> @{attribute.name} @{attribute.operator} "@{attribute.value}" @end{} )
> @end{}
>
> then
> // tempate data to set attribute
> end
>
> / code to run the tempate
> TemplateRegistry RULE_REGISTRY = new SimpleTemplateRegistry();
>
> RULE_REGISTRY.addNamedTemplate( "rules",
> getCompiledTemplate(prepareSimpleTemplate()));
> System.out.println(TemplateRuntime.execute(
> RULE_REGISTRY.getNamedTemplate( "rules" ),
> getMap(),RULE_REGISTRY ));
> }
>
>
> // method to get tempate in string
> public static String prepareSimpleTemplate() {
> return StringUtils.readFileAsString(new InputStreamReader(
>        MvelDemo.class.getResourceAsStream("RuleTemplate.mvel")));
> }
>
> The rule statement generated is:
>
> package some;
>
> import rout.Vo;
>
> rule "Row_001"
>
> dialect "mvel"
> salience 10
> enabled true
>
> when
>  vo : Vo (  type_code == "S"  )
> then
>  vo.a_name = "X"
> end
>
> How to generate object model from String generated from MVEL template? Is
> there any parser available to convert String into Object model in MVEL?
>
>
>
> --
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