Examples with Indexed org.kie.dmn.feel.runtime.decisiontables.Indexed used on opensource projects

Example 1 with Indexed

use of org.kie.dmn.feel.runtime.decisiontables.Indexed in project drools by kiegroup.

the class Results method applyHitPolicy.

public Object applyHitPolicy(EvaluationContext evaluationContext, HitPolicy hitPolicy, DecisionTable decisionTable) {
    if (items.hasNoIndexes()) {
        // }
        if (hitPolicy.getDefaultValue() != null) {
            return hitPolicy.getDefaultValue();
        }
        events.add(new HitPolicyViolationEvent(FEELEvent.Severity.WARN, String.format("No rule matched for decision table '%s' and no default values were defined. Setting result to null.", decisionTable.getName()), decisionTable.getName(), Collections.emptyList()));
    }
    List<? extends Indexed> matchIndexes = items.matches();
    evaluationContext.notifyEvt(() -> {
        List<Integer> matchedIndexes = matchIndexes.stream().map(dr -> dr.getIndex() + 1).collect(Collectors.toList());
        return new DecisionTableRulesMatchedEvent(FEELEvent.Severity.INFO, String.format("Rules matched for decision table '%s': %s", decisionTable.getName(), matchIndexes), decisionTable.getName(), decisionTable.getName(), matchedIndexes);
    });
    List<Object> resultObjects = items.evaluateResults(evaluationContext);
    Map<Integer, String> errorMessages = checkResults(decisionTable.getOutputs(), evaluationContext, matchIndexes, resultObjects);
    if (!errorMessages.isEmpty()) {
        List<Integer> offending = new ArrayList<>(errorMessages.keySet());
        events.add(new HitPolicyViolationEvent(FEELEvent.Severity.ERROR, String.format("Errors found evaluating decision table '%s': \n%s", decisionTable.getName(), String.join("\n", errorMessages.values())), decisionTable.getName(), offending));
        return null;
    }
    return hitPolicy.getDti().dti(evaluationContext, decisionTable, matchIndexes, resultObjects);
}