public object Execute(VariableContext context = null)
{
var start = (Variable)_startExpr.Execute(context);
if (_endExpr == null)
{
if (!start.IsListType())
{
throw new FEELException("Expected a list variable for iterations");
}
return(new Variable(new ContextInputs().Add(_name, start)));
}
var end = (Variable)_endExpr.Execute(context);
start.ExpectedDataType(DataTypeEnum.Decimal);
end.ExpectedDataType(DataTypeEnum.Decimal);
var range = RangeHelper.Decimal(start, end).ToList();
return(new Variable(new ContextInputs().Add(_name, Variable.ListType(range, DataTypeEnum.ListDecimal))));
}
public object Execute(VariableContext context = null, string inputName = null)
{
var leftVar = (Variable)LeftExpression.Execute(context);
var rightVar = (Variable)RightExpression.Execute(context);
// this is not a test due to missing input therefore return a list
if (inputName == null)
{
leftVar.ExpectedDataType(DataTypeEnum.Decimal);
rightVar.ExpectedDataType(DataTypeEnum.Decimal);
var range = RangeHelper.Decimal(leftVar, rightVar).ToList();
return(Variable.ListType(range, DataTypeEnum.ListDecimal));
}
var inputVariable = VariableContextHelper.RetrieveInputVariable(context, inputName);
if (inputVariable.ValueType != rightVar.ValueType)
{
throw new FEELException($"Right value {inputVariable.ValueType} and right {rightVar.ValueType} are not the same for comparison");
}
if (inputVariable.ValueType != leftVar.ValueType)
{
throw new FEELException($"Left value {inputVariable.ValueType} and right {leftVar.ValueType} are not the same for comparison");
}
if (leftVar > rightVar)
{
throw new FEELException($"Left value {leftVar} cannot be greater than right value {rightVar}");
}
var leftBool = false;
var rightBool = false;
// is in the interval (e1..e2), also notated ]e1..e2[, if and only if o > e1 and o < e1
// is in the interval (e1..e2], also notated ]e1..e2], if and only if o > e1 and o ≤ e2
// is in the interval [e1..e2] if and only if o ≥ e1 and o ≤ e2
// is in the interval [e1..e2), also notated [e1..e2[, if and only if o ≥ e1 and o < e2
switch (Start)
{
case "(":
case "]":
leftBool = inputVariable > leftVar;
break;
case "[":
leftBool = inputVariable >= leftVar;
break;
default:
throw new FEELException($"Incorrect start {Start} interval character");
}
switch (End)
{
case ")":
case "[":
rightBool = inputVariable < rightVar;
break;
case "]":
rightBool = inputVariable <= rightVar;
break;
default:
throw new FEELException($"Incorrect end {End} interval character");
}
return(new Variable(leftBool && rightBool));
}