Examples with FEELEventBase org.kie.dmn.feel.runtime.events.FEELEventBase used on opensource projects

Example 6 with FEELEventBase

use of org.kie.dmn.feel.runtime.events.FEELEventBase in project drools by kiegroup.

the class DecisionTableFunction method toDecisionRule.

/**
 * Convert row to DTDecisionRule
 * @param mainCtx the main context is used to identify the hosted FEELEventManager
 * @param embeddedFEEL a possibly cached embedded FEEL to compile the output expression, error will be reported up to the mainCtx
 * @param index
 * @param rule
 * @param inputSize
 * @return
 */
private static DTDecisionRule toDecisionRule(EvaluationContext mainCtx, FEEL embeddedFEEL, int index, List<?> rule, int inputSize) {
    // TODO should be check indeed block of inputSize n inputs, followed by block of outputs.
    DTDecisionRule dr = new DTDecisionRule(index);
    for (int i = 0; i < rule.size(); i++) {
        Object o = rule.get(i);
        if (i < inputSize) {
            dr.getInputEntry().add(toUnaryTest(mainCtx, o));
        } else {
            FEELEventListener ruleListener = event -> mainCtx.notifyEvt(() -> new FEELEventBase(event.getSeverity(), Msg.createMessage(Msg.ERROR_COMPILE_EXPR_DT_FUNCTION_RULE_IDX, index + 1, event.getMessage()), event.getSourceException()));
            embeddedFEEL.addListener(ruleListener);
            CompiledExpression compiledExpression = embeddedFEEL.compile((String) o, embeddedFEEL.newCompilerContext());
            dr.getOutputEntry().add(compiledExpression);
            embeddedFEEL.removeListener(ruleListener);
        }
    }
    return dr;
}