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

Example 6 with InvalidParametersEvent

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

the class ModeFunction method invoke.

public FEELFnResult<Object> invoke(@ParameterName("list") List<?> list) {
    if (list == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "list", "cannot be null"));
    }
    if (list.isEmpty()) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "list", "cannot be empty"));
    }
    Map<?, Long> collect = list.stream().collect(Collectors.groupingBy(Function.identity(), Collectors.counting()));
    long maxFreq = collect.values().stream().mapToLong(Long::longValue).max().orElse(-1);
    List<?> mostFrequents = collect.entrySet().stream().filter(kv -> kv.getValue() == maxFreq).map(Map.Entry::getKey).collect(Collectors.toList());
    if (mostFrequents.size() == 1) {
        return FEELFnResult.ofResult(mostFrequents.get(0));
    } else {
        return FEELFnResult.ofResult(mostFrequents.stream().sorted().collect(Collectors.toList()));
    }
}

Example 7 with InvalidParametersEvent

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

the class RemoveAllFunction method invoke.

public FEELFnResult<List> invoke(@ParameterName("list1") List list1, @ParameterName("list2") List list2) {
    if (list1 == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "list1", "cannot be null"));
    }
    // spec requires us to return a new list
    List<Object> result = new ArrayList<Object>(list1);
    result.removeAll(list2);
    return FEELFnResult.ofResult(result);
}

Example 8 with InvalidParametersEvent

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

the class SignavioRemoveFunction method invoke.

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

Example 9 with InvalidParametersEvent

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

the class TextFunction method invoke.

public FEELFnResult<String> invoke(@ParameterName("num") BigDecimal num, @ParameterName("format_text") String format_text) {
    if (num == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "num", "cannot be null"));
    }
    if (format_text == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "format_text", "cannot be null"));
    }
    DecimalFormat df = null;
    try {
        df = new DecimalFormat(format_text);
    } catch (IllegalArgumentException e) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "format_text", "illegal specific format: " + format_text + " because: " + e.getMessage()));
    }
    String result = df.format(num);
    return FEELFnResult.ofResult(result);
}

Example 10 with InvalidParametersEvent

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

the class YearDiffFunction method invoke.

public FEELFnResult<BigDecimal> invoke(@ParameterName("datetime1") String datetime1, @ParameterName("datetime2") String datetime2) {
    if (datetime1 == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "datetime1", "cannot be null"));
    }
    if (datetime2 == null) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "datetime2", "cannot be null"));
    }
    try {
        TemporalAccessor dt1 = BuiltInFunctions.getFunction(DateAndTimeFunction.class).invoke(datetime1).cata(BuiltInType.justNull(), Function.identity());
        TemporalAccessor dt2 = BuiltInFunctions.getFunction(DateAndTimeFunction.class).invoke(datetime2).cata(BuiltInType.justNull(), Function.identity());
        return invoke(dt1, dt2);
    } catch (DateTimeException e) {
        return FEELFnResult.ofError(new InvalidParametersEvent(Severity.ERROR, "datetime", "invalid 'date' or 'date and time' parameter", e));
    }
}