//this is default implementation. anybody else can have a different way to validate if necessary
public bool IsValid(BasicList <ICondition> conditionList, out string message)
{
//should be only one of 2 kinds of lists.
if (conditionList.Count(Items => Items.ConditionCategory == EnumConditionCategory.ListInclude) > 1)
{
message = "The Include Condition List Contains More Than One List";
return(false);
}
if (conditionList.Count(Items => Items.ConditionCategory == EnumConditionCategory.ListNot) > 1)
{
message = "The Exclude Condition List Contains More Than One List";
return(false);
}
message = ""; //since i am forced to pass back the message
return(true);
}
