@Override
 public Object execute(final FunctionRequest request) {
   request.minimumNumberOfArguments(1).maximumNumberOfArguments(1);
   final Course course = (Course) request.get(0);
   if (course.getCreditPoints() < 0) {
     return "";
   }
   return "cp=\"" + course.getCreditPoints() + "\"";
 }
  @Override
  public Object execute(final FunctionRequest request) {
    request.minimumNumberOfArguments(2).maximumNumberOfArguments(2);
    final Level level = (Level) request.get(0);
    final Integer depth = ((BigDecimal) request.get(1)).intValue();

    final StringBuilder sb = new StringBuilder();
    traverse(level, depth, sb);
    return sb.toString();
  }
Beispiel #3
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  @Override
  public Boolean execute(FunctionRequest request) {
    Object input = request.maximumNumberOfArguments(1).minimumNumberOfArguments(1).get(0);

    return request
        .getEnvironment()
        .getValueEnvironment()
        .getCollectionConverter()
        .convert(input)
        .isDefined();
  }