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

Example 16 with InvalidParametersEvent

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

the class AppendFunction method invoke.

public FEELFnResult<List<Object>> invoke(@ParameterName("list") Object appendTo, @ParameterName("item") Object[] items) {
    if (appendTo == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "list", "cannot be null"));
    }
    if (items == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "item", "cannot be null"));
    }
    // spec requires us to return a new list
    final List<Object> result = new ArrayList<>();
    if (appendTo instanceof Collection) {
        result.addAll((Collection) appendTo);
    } else {
        result.add(appendTo);
    }
    result.addAll(Arrays.asList(items));
    return FEELFnResult.ofResult(result);
}

Example 17 with InvalidParametersEvent

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

the class MatchesFunction method invoke.

public FEELFnResult<Boolean> invoke(@ParameterName("input") String input, @ParameterName("pattern") String pattern, @ParameterName("flags") String flags) {
    if (input == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "input", "cannot be null"));
    }
    if (pattern == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "pattern", "cannot be null"));
    }
    try {
        int f = processFlags(flags);
        Pattern p = Pattern.compile(pattern, f);
        Matcher m = p.matcher(input);
        return FEELFnResult.ofResult(m.find());
    } catch (PatternSyntaxException e) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "pattern", "is invalid and can not be compiled", e));
    } catch (IllegalArgumentException t) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "flags", "contains unknown flags", t));
    } catch (Throwable t) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "pattern", "is invalid and can not be compiled", t));
    }
}

Example 18 with InvalidParametersEvent

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

the class MeanFunction method invoke.

public FEELFnResult<BigDecimal> invoke(@ParameterName("list") List list) {
    if (list == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "list", "cannot be null"));
    }
    FEELFnResult<BigDecimal> s = sum.invoke(list);
    Function<FEELEvent, FEELFnResult<BigDecimal>> ifLeft = (event) -> {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "list", "unable to sum the elements which is required to calculate the mean"));
    };
    Function<BigDecimal, FEELFnResult<BigDecimal>> ifRight = (sum) -> {
        try {
            return FEELFnResult.ofResult(sum.divide(BigDecimal.valueOf(list.size()), MathContext.DECIMAL128));
        } catch (Exception e) {
            return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "unable to perform division to calculate the mean", e));
        }
    };
    return s.cata(ifLeft, ifRight);
}

Example 19 with InvalidParametersEvent

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

the class ReverseFunction method invoke.

public FEELFnResult<List<Object>> invoke(@ParameterName("list") List list) {
    if (list == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "list", "cannot be null"));
    }
    // spec requires us to return a new list
    final List<Object> result = new ArrayList<>(list);
    Collections.reverse(result);
    return FEELFnResult.ofResult(result);
}

Example 20 with InvalidParametersEvent

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

the class YearsAndMonthsFunction method invoke.

public FEELFnResult<TemporalAmount> invoke(@ParameterName("from") Temporal from, @ParameterName("to") Temporal to) {
    if (from == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "from", "cannot be null"));
    }
    if (to == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "to", "cannot be null"));
    }
    final LocalDate fromDate = getLocalDateFromTemporal(from);
    if (fromDate == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "from", "is of type not suitable for years and months function"));
    }
    final LocalDate toDate = getLocalDateFromTemporal(to);
    if (toDate == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "to", "is of type not suitable for years and months function"));
    }
    return FEELFnResult.ofResult(Period.between(fromDate, toDate).withDays(0));
}