I think this is very good. One small feature that might also be of utility
especially for simple enums is to be able to have a default "value"
attribute with its type automatically determined such as:
enum Weather {
CALM=1,STORM=10,HURRICANE=40
}
or with the type asserted in the model such as
enum<double> Weather {
CALM=1.55,STORM=10.1,HURRICANE=40.5
}
However without the above, I am inclined to think that what you have
provided here will do almost about all one might need an enum for in a
generic sense.
Patrik Nordwall wrote:
>
> We have started with the enum implementation and it would be interesting
> to find out what you (anyone) think should be supported and how it should
> be expressed.
>
> I have been doing some prototyping of the DSL syntax. What do you think
> about this?
>
> Simple enum:
> ValueObject Weather {
> Date day;
> - @WeatherClassification classification;
> }
>
> enum WeatherClassification {
> SUNNY, WINDY, CLOUDY;
> }
>
>
> Enum with attribute:
> ValueObject Weather {
> Date day;
> - @WeatherClassification classification;
> - @WindSpeed wind;
> }
>
> enum WindSpeed {
> int beaufortNumber;
>
> CALM(beaufortNumber="1"),
> STORM(beaufortNumber="10"),
> HURRICAN(beaufortNumber="12");
> }
>
>
> Enum with several attributes:
> ValueObject Weather {
> Date day;
> - @WeatherClassification classification;
> - @WindSpeed wind;
> }
>
> enum WindSpeed {
> int beaufortNumber;
> double minMps;
> double maxMps;
>
> CALM(beaufortNumber="1",
> minMps="0",
> maxMps="0.2"),
> STORM(beaufortNumber="10",
> minMps="24.5",
> maxMps="28.4"),
> HURRICAN(beaufortNumber="12",
> minMps="32.7",
> maxMps="40.8");
> }
>
>
>
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