java - 类型不匹配 : inferred type is KClass<GenderStatistics> but Class<TypeVariable(T)! >!预计

Question

我正在尝试构建 Query Projection我遇到了以下错误消息:

Type mismatch: inferred type is KClass<GenderStatistics> but Class<TypeVariable(T)!>! was expected

导致问题的代码:

  fun status(): String {
    val query = accRepo.find("""
      select g.abbr as abbr, g.description as description, count(p) as quantity
        from Account a
        inner join a.gender as g
        group by g.abbr, g.description
      """.trimIndent())
        .project(GenderStatistics::class)

方法project期望类型 Class<TypeVariable(T)!>!但我传递了错误的类型。如何在 Kotlin 中传递正确的类型？在 Java 中，它将是 GenderStatistics.class

GenderStatistics定义为:

@RegisterForReflection
class GenderStatistics(val abbr: String, val description: String, val quantity: Int)

Answer 1

尝试改变

GenderStatistics::class 

至

GenderStatistics::class.java