Hexagonal Architecture - Should I put repository interface in the Domain Layer or Application Layer

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I can't find the ultimate answer for hexagonal architecture.

The question is in the title.

Should I put the repository interface in the Domain Layer or Application Layer ? Both seems to be correct but what is the main difference ?

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1 Answers

This question has nothing to do with hexagonal architecture, but with DDD. And according to DDĎ, the repository interface bekongs to the domain model. As a direct client of the domain, application layer calls the methods on repository interface.

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