Hello,
I'm changing parts of my code to remove magic numbers. I used Java enums
for that - which make the code nice and clean.
Some enum classes use more advanced features - like conversions methods, a
custom toString method etc.
Now it comes to the time to map these to the database in especially to jooq.
I've wanted to use codegen for all steps - but failed - I got following
enum class:
> public enum Visibility {
> PUBLIC("visibilitylist.public"), UNLISTED("visibilitylist.unlisted"),
> PRIVATE("visibilitylist.private"), SCHEDULED(
> "visibilitylist.scheduled");
>
> private String i18n;
>
> private Visibility(final String i18n) {
> this.i18n = i18n;
> }
>
> @Override
> public String toString() {
> return TextUtil.getString(i18n);
> }
> }
>
The data should be stored as string in the database. I've already wanted to
use / write my own Converter implementation for this, but the documentation
references "EnumConverter" class but I didn't get it working:
I've tried:
public VisibilityConverter extends EnumConverter<String, Visibility> { }
>
However this forces me to create a constructor and then it's impossible to
use this with default codegen.
I then tried to register just the EnumConverter - which failed again.
I don't want to create any new table for the enums - they should just be
mapped to.
Could you show me a short example how to use EnumConverter properly?
For the codegen I used described registration:
> <customType>
> <name>....Visibility</name>
> <converter>....VisibilityConverter</converter>
> </customType>
>
....
> <forcedType>
> <name>....Visibility</name>
> <expressions>.*\.VISIBILITY</expressions>
> </forcedType>
>
Regards,
Dennis
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