private void CreateRangeDescriptor <T>(OperatorType operatorType,
NumericRangeQueryDescriptor <T> descriptor,
NumericFilterValue numericFilterValue)
where T : class
{
switch (operatorType)
{
case OperatorType.Equal:
descriptor.GreaterThanOrEquals(numericFilterValue.Value);
descriptor.LessThanOrEquals(numericFilterValue.Value);
break;
case OperatorType.GreaterThan:
descriptor.GreaterThan(numericFilterValue.Value);
break;
case OperatorType.GreaterThanOrEqual:
descriptor.GreaterThanOrEquals(numericFilterValue.Value);
break;
case OperatorType.LessThan:
descriptor.LessThan(numericFilterValue.Value);
break;
case OperatorType.LessThanOrEquals:
descriptor.LessThanOrEquals(numericFilterValue.Value);
break;
default:
throw new ArgumentOutOfRangeException();
}
}
public static NumericRangeQueryDescriptor <T> Filter <T>(this NumericRangeQueryDescriptor <T> descriptor, Filter one, Filter two) where T : class
{
Double fOne;
if (!Double.TryParse(one.Value, out fOne))
{
throw new ArgumentException("Filter not a parsable number");
}
Double fTwo;
if (!Double.TryParse(two.Value, out fTwo))
{
throw new ArgumentException("Filter not a parsable number");
}
switch (one.Operator)
{
case "lt":
descriptor = descriptor.LessThan(fOne);
break;
case "lte":
descriptor = descriptor.LessThanOrEquals(fOne);
break;
case "gt":
descriptor = descriptor.GreaterThan(fOne);
break;
case "gte":
descriptor = descriptor.GreaterThanOrEquals(fOne);
break;
}
switch (two.Operator)
{
case "lt":
descriptor = descriptor.LessThan(fTwo);
break;
case "lte":
descriptor = descriptor.LessThanOrEquals(fTwo);
break;
case "gt":
descriptor = descriptor.GreaterThan(fTwo);
break;
case "gte":
descriptor = descriptor.GreaterThanOrEquals(fTwo);
break;
}
return(descriptor);
}
public static NumericRangeQueryDescriptor <T> RangeOnNumber <T>(this NumericRangeQueryDescriptor <T> filterDescriptor, ExpressionType type, double value) where T : class
{
if (type == ExpressionType.LessThan)
{
return(filterDescriptor.LessThan(value));
}
if (type == ExpressionType.GreaterThan)
{
return(filterDescriptor.GreaterThan(value));
}
if (type == ExpressionType.LessThanOrEqual)
{
return(filterDescriptor.LessThanOrEquals(value));
}
if (type == ExpressionType.GreaterThanOrEqual)
{
return(filterDescriptor.GreaterThanOrEquals(value));
}
throw new NotImplementedException();
}