EntityWithChangeHistory.kt

@Service
class EntityService(
    private val entityRepository,
    private val entityHistoryRepository,
    private val currentUserService
) {
    @Transactional
    fun createEntity(/* ... */) {
        val entity = Entity(/* ... */)
        entityRepository.add(entity)
        entityHistoryRepository.addRecord(HistoryRecordType.Created, currentUserService.currentUser(), entity)
    }

    @Transactional
    fun updateEntity(/* ... */) {
        val entity = /* ... */
        entityRepository.update(entity)
        entityHistoryRepository.addRecord(HistoryRecordType.Updated, currentUserService.currentUser(), entity)
    }

    @Transactional
    fun deleteEntity(/* ... */) {
        entityRepository.delete(/* ... */)
        entityHistoryRepository.addRecord(HistoryRecordType.Deleted, currentUserService.currentUser(), entity)
    }
}