Persisting Natural Key Entities with Spring Data JPA

code example for https://dkublik.github.io/2016/11/20/persisting-natural-key-entities-with-spring-data-jpa.html

Requirements

• Java 8

• Gradle 3.1

To run

• NaturalKeyWorkerRepositorySpec - test for entity with natural key id and save method
• SurrogateKeyWorkerRepositorySpec - test for entity with surrogate key id and save method
• PersistableWorkerRepositorySpec - test for entity with natural key id implementing persistable interface and save method
• NaturalKeyWorkerPersistRepositorySpec - test for entity with natural key id and persist method