问题描述
如此处所问，对此的后续问题
As asked here the follow up Question to this #58538732
根据Lukas Eder的建议，我编写了 EnumConverter 来转换 Integer 到 DayOfWeek
As suggested by Lukas Eder I wrote an EnumConverter to convert the Integer to a DayOfWeek
public class DOWConverter extends EnumConverter<Integer, DayOfWeek> {
public DOWConverter()
{
super(Integer.class, DayOfWeek.class);
}
}
select 现在看起来如下
DataType<DayOfWeek> typeDOW = SQLDataType.INTEGER.asConvertedDataType(new DOWConverter() /*ERROR*/);
Field<DayOfWeek> fieldDOW = DSL.field("{0}", typeDOW, lecture.DAY_OF_WEEK);
create.select( ..., fieldDOW, ...)...
出现错误消息：
As声明，当前无法在CodeGen时使用Converter。
As stated, using the Converter at CodeGen Time is currently not an option.
推荐答案
似乎您放置了 DOWConverter 在另一个类中，从而创建一个。我建议您将转换器放在其自己的文件的顶层，使其成为顶层类。如果必须创建一个嵌套类，请通过使其成为静态来确保它不是内部类：
It seems that you placed your DOWConverter inside of another class, thus creating an inner class. I recommend you place the converter at the top level, in its own file, making it a top level class. If you must create a nested class, make sure it is not an inner class by making it static:
public class Enclosing {
// Make this class here static:
public static class DOWConverter extends EnumConverter<Integer, DayOfWeek> {
public DOWConverter() {
super(Integer.class, DayOfWeek.class);
}
}
}
。
这篇关于JOOQ使用转换器内联将字符串转换为枚举的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持！