[rules-users] How to generate rule statements using MVEL 2.0 template?
I came to know through drool user forum that a drl file can be created using
recursive MVEL 2.0 template.
I am trying like below.
public static String prepareRule(String RuleName){
String template = "\n rule \""+RuleName+"\" "+
"\n dialect \"mvel\" "+
"\n salience \"10\" " +
"\n when" +
"\n demo : Demo( one == \"N\" , two == \"C\" , three ==
1005 )" +
"\n then" +
"\n demo.setFirst( 4003 );" +
"\n demo.setLast( 4003 );" +
"\n demo.setRuleID( \"SEQ_1\" );";
return template;
}
public static String getRuleAsString(String template){
Map vars = new HashMap();
return (String) TemplateRuntime.eval(template,vars);
}
public static void main(String[] args) {
System.out.println(getRuleAsString(prepareRule("Rule 1")));
}
When i am printing it out, It is generating rule skeleton. I am planning to
create whole rule stuff passing arguments like rule name in the example. Am
i doing correct?
How to do it correctly?
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