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Use default methods on Smart/GenericApplicationListener [SPR-17163] #21699

spring-projects-issues opened this issue Aug 10, 2018 · 0 comments


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@spring-projects-issues spring-projects-issues commented Aug 10, 2018

Stéphane Nicoll opened SPR-17163 and commented

Most implementations of SmartApplicationListener and GenericApplicationListener do not care about the source type so they implement supportsSourceType with return true.

Also, getOrder() is imposed by the contract and may have a default.

The rationale is that this interface is used in case multiple event types are supported and/or you want more fine grained control. Ideally, only the absolutely necessary methods should be implemented, leaving the same default as a regular ApplicationListener implementation.

Affects: 5.0.8

Issue Links:

  • #21723 SmartLifecycle should provide default methods

Referenced from: commits c437a0d

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