public lim(e_dot_Limit vLimit, DateTime Date)
{
_direction = -10;
initExpressionValues();
_limit = vLimit;
date = Date;
initInternal();
}
public getFunctionLimit getFunctionLim(e_dot_Limit Limit)
{
int tmp = 0;
Func <DateTime, DateTime, result> outFnc = getFunction(Limit, ref tmp);
getFunctionLimit result = (DateTime dLimit, DateTime Date, out DateTime dResult) =>
{
result rslt = outFnc(dLimit, Date);
dResult = rslt.date;
return(rslt.allow);
};
return(result);
}
private Func <DateTime, DateTime, result> getFunction(e_dot_Limit vLimit, ref int Direction)
{
switch (vLimit)
{
case e_dot_Limit.inDate:
etSign = ExpressionType.Equal;
Direction = 0;
break;
case e_dot_Limit.notEarlier:
etSign = ExpressionType.GreaterThanOrEqual;
Direction = 1;
break;
case e_dot_Limit.notLater:
etSign = ExpressionType.LessThanOrEqual;
Direction = -1;
break;
/*case e_dot_Limit.None:
* Direction = -2; //направление отсутствует
* return nullProcess;*/
}
Expression cmpOperator = Expression.MakeBinary(etSign, pDate, pLimit);
Expression cmp = Expression.IfThenElse(
cmpOperator,
Expression.Block(
setDate,
setTrue),
Expression.Block(
setLimit,
setFalse)
);
BlockExpression resBlock = Expression.Block(
new[] { pValue, pAllow },
cmp,
pResult
);
return(Expression.Lambda <Func <DateTime, DateTime, result> >(resBlock, pLimit, pDate).Compile());
}
public void setType(e_dot_Limit Type)
{
throw new NotImplementedException();
}
public void setType(e_dot_Limit Type)
{
throw new NotImplementedException();
}
