RedisKeyExpiredEvent has an unused generic

[Cardds]

Current behavior: RedisKeyExpiredEvent has an unused generic argument T.

Expected behavior is one of the following:

• RedisKeyExpiredEvent does not have a generic argument.
• Method getValue() in RedisKeyExpiredEvent returns an object of the generic type specified in RedisKeyExpiredEvent. May also require changes to the stored value and the constructor methods.

[gisu1102]

Hi maintainers 👋 @mp911de @spring-projects-issues

I’ve been looking into this issue and noticed that RedisKeyExpiredEvent<T> currently declares a generic type parameter that is not actually used anywhere in the API.

From a maintenance and clarity perspective, it seems this can be confusing since the presence of <T> suggests type safety that the event does not provide today.

To keep the change minimal and avoid introducing new deserialization or type-resolution concerns, I’d like to propose the simplest option:

• Remove the unused generic parameter from RedisKeyExpiredEvent
• Keep the existing behavior unchanged (i.e. getValue() continues to return Object)

This would clarify the API contract without affecting runtime behavior or requiring additional design work.

If this direction sounds reasonable, I’d be happy to prepare a small PR focused solely on removing the unused generic and updating related Javadoc/tests if needed.

Thanks!

[gisu1102]

Thanks! I’ve opened a PR implementing the minimal option (remove the unused generic parameter while keeping getValue() returning Object):

• PR: Remove unused generic from RedisKeyExpiredEvent #2106 #3287

It should improve API clarity without changing runtime behavior. Please let me know if you’d prefer the alternative approach of making getValue() return T (which would likely require additional design around serialization/type resolution).