private static string GetConditionString <T>(FilterRule rule, IFilterOperators filterOperators, ref int parameterNumber)
{
if (rule.Operator == filterOperators.EqualOperator)
{
return(String.Format("x.{0} == @{1}", rule.PropertyName, parameterNumber++));
}
else if (rule.Operator == filterOperators.NotEqualOperator)
{
return(String.Format("x.{0} != @{1}", rule.PropertyName, parameterNumber++));
}
else if (rule.Operator == filterOperators.Lesser)
{
return(String.Format("x.{0} < @{1}", rule.PropertyName, parameterNumber++));
}
else if (rule.Operator == filterOperators.Greater)
{
return(String.Format("x.{0} > @{1}", rule.PropertyName, parameterNumber++));
}
else if (rule.Operator == filterOperators.LessOrEqualOperator)
{
return(String.Format("x.{0} <= @{1}", rule.PropertyName, parameterNumber++));
}
else if (rule.Operator == filterOperators.GreaterOrEqualOperator)
{
return(String.Format("x.{0} >= @{1}", rule.PropertyName, parameterNumber++));
}
else if (rule.Operator == filterOperators.ContainsOperator)
{
return(String.Format("x.{0}.Contains(@{1})", rule.PropertyName, parameterNumber++));
}
else if (rule.Operator == filterOperators.UserDefinedOperator)
{
return(String.Format("x.{0}", rule.PropertyName));
}
else
{
throw new ArgumentException("Unknown filter operator");
}
}
public FilterWithOperators(Filter filter, IFilterOperators filterOperators)
{
Filter = filter;
FilterOperators = filterOperators;
}
