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ruleForComparable 的 BUG #14

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opened 2025-07-25 17:08:42 +08:00 by zhouxy108 · 0 comments
zhouxy108 commented 2025-07-25 17:08:42 +08:00
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当被校验的 value 的类型，其实现的 Comparable 的泛型是其父类型时，无法指定具体类型的类型参数

以 LocalDateTime 为例，LocalDateTime 实现了 ChronoLocalDateTime，间接实现了 Comparable<ChronoLocalDateTime>，此时无法使用 this.<LocalDateTime>ruleForComparable(xxx) 的方式定义 LocalDateTime 的校验规则。

  • 在 MapValidator 中，不指定类型参数的情况下，使用 must 定义规则时，lambda 表达式的入参被识别为 Comparable<T>，而非具体 LocalDateTime 类型
  • 在 BaseValidator 中，不指定类型参数的情况下，使用 must 定义规则时，lambda 表达式的入参被识别为 ChronoLocalDateTime<？>，而非具体 LocalDateTime 类型
当被校验的 `value` 的类型，其实现的 `Comparable` 的泛型是其父类型时，无法指定具体类型的类型参数 以 `LocalDateTime` 为例，`LocalDateTime` 实现了 `ChronoLocalDateTime`，间接实现了 `Comparable<ChronoLocalDateTime>`，此时无法使用 `this.<LocalDateTime>ruleForComparable(xxx)` 的方式定义 `LocalDateTime` 的校验规则。 - 在 `MapValidator` 中，不指定类型参数的情况下，使用 `must` 定义规则时，lambda 表达式的入参被识别为 `Comparable<T>`，而非具体 `LocalDateTime` 类型 - 在 `BaseValidator` 中，不指定类型参数的情况下，使用 `must` 定义规则时，lambda 表达式的入参被识别为 `ChronoLocalDateTime<？>`，而非具体 `LocalDateTime` 类型
zhouxy108 added the
type:bug
 label 2025-07-25 17:08:42 +08:00
zhouxy108 added the
status:completed
 label 2025-07-25 17:39:19 +08:00
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Reference: plusone/plusone-validator#14
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