如何使用mapstruct将枚举映射到布尔值? [英] How can I map an enum to a boolean with mapstruct?
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问题描述
我有一些自动生成的枚举,需要将它们映射到MapStruct映射器中的布尔值.他们是这样的:
I have some auto-generated enums that I need to map to boolean values in a MapStruct mapper. They go like this:
enum YN {
Y("Y"), N("N")
}
enum ZO {
_0("0"), _1("1")
}
我尝试使用@ValueMappings(),但是没有用:
I've tried to use @ValueMappings(), but it didn't work:
@ValueMappings({
@ValueMapping(source="Y", target=true),
@ValueMapping(source="N", target=false)
)
Boolean map(YN value);
如何实现此映射?
推荐答案
ValueMappings are used for mapping between two Enum
s. You can't use them to map an Enum
to something else. For your defined mapping you will have to write a mapping by yourself. Then MapStruct can use that one in other mappers.
abstract class Mapper {
Boolean map(YN value) {
return YN.Y.equals(value);
}
Boolean map(ZO value) {
return ZO.O.equals(value);
}
}
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