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Support Optionals in repository methods [DATAREST-511] #885

spring-projects-issues opened this issue Apr 9, 2015 · 1 comment
type: enhancement A general enhancement


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Robert Verdes opened DATAREST-511 and commented

A Repository method like:

User findFirstByName(@Param("name") String name); 

works well with issuing a /search/findFirstByName?name=foo,
but when using an Optional as a return type:

Optional<User> findFirstByName(@Param("name") String name); 

as per documentation:

for the queries limiting the result set to one instance, wrapping the result into an Optional is supported.

we get the "PersistentEntity must not be null!" exception

Affects: 2.3 GA (Fowler)

Backported to: 2.3.1 (Fowler SR1)

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Oliver Drotbohm commented

Qualified as improvement as Spring Data REST hasn't supported Optional yet. I can't find the quote you mention in the Spring Data REST reference documentation.

However, his has been fixed and back-ported to the Evans maintenance branch. Feel free to give the snapshots a try

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