/// <summary>
/// Executes the reduction.
/// </summary>
/// <returns>Returns the difference between two dates.</returns>
public override object Execute()
{
List <string> test = new List <string>();
object result = null;
if (this.ParameterList.Count == 1)
{
result = this.ParameterList[0].Execute();
}
else
{
DateTime date1, date2;
if (this.ParameterList[0].Execute() != null)
{
if (DateTime.TryParse(this.ParameterList[0].Execute().ToString(), out date1))
{
if (this.ParameterList[1].Execute() != null)
{
if (DateTime.TryParse(this.ParameterList[1].Execute().ToString(), out date2))
{
result = FunctionUtils.GetDateDiff(currentInterval, date1, date2);
}
}
}
}
}
// To prevent a null value in the param list from returning a zero
//if (result == null)
//{
// result = 0;
//}
return(result);
}
