is Exposed the recommended ORM for Kotlin + Spring...
# springg
gbaldeck
10/16/2020, 5:25 PMis Exposed the recommended ORM for Kotlin + Spring?
e
Ed M
10/16/2020, 6:21 PMexposed has a spring boot starter module that utilizes the spring's Transactional annotation
j
John Towell
10/16/2020, 6:31 PMThat's cool https://github.com/JetBrains/Exposed/tree/master/exposed-spring-boot-starter, do you know of any blogs or example projects using it?
c
Chris Black
10/16/2020, 7:16 PMOh wow, that is cool. My team just continued to use spring data since we’ve moved over from Java. Do they have a write up why we might want to switch from Hibernate to Exposed?
j
John Towell
10/16/2020, 8:36 PMWe are using kotlin + spring data JPA as well. Exposed feels a bit new still to me, but keeping an eye on it.
c
Chris Black
10/16/2020, 9:55 PMYeah, that’s what I meant as well. Spring Data JPA
e
Ed M
10/21/2020, 1:58 AMsorry for the late response, it’s plug and play from what i can tell, i used it in a personal project to scope out whether i liked Hibernate/JPA or Exposed better
Ed M
10/21/2020, 1:59 AMif you’re used to JPA, lazy loading, etc, Exposed (even its DAO) doesn’t do that for you
Exposed has no current support for composite primary keys either, which kind of sucks, but not a huge huge deal, just made switching over my project more difficult
Ed M
10/21/2020, 2:00 AMi should clarify - exposed does do lazy loading somewhat, but it’s not nearly as feature rich as hibernate
Ed M
10/21/2020, 2:01 AMultimately, i like them for different reasons
Ed M
10/21/2020, 2:08 AMhttps://github.com/JetBrains/Exposed/blob/master/spring-transaction/src/main/kotlin/org/jetbrains/exposed/spring/SpringTransactionManager.kt here’s where Spring’s JDBC DataSourceTransactionManager is wrapped
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