Architektur

• API Layer
• GET (Daten holen)
• POST (Daten speichern)
• PUT (Daten ändern)
• DELETE (Daten löschen)
• Service Layer
• Data Access Layer

Klassen/Files

• XxxApplication (Main)
• @SpringBootApplication
• Xxx (Model)
• @Entity
• @Table
• Xxx.ID
• @Id
• @SequenceGenerator(name = "seqname", sequenceName = "seqname")
• @GeneratedValue(strategy = GenertationType.SEQUENCE, generator = "seqname")
• Xxx.CalculatedField
• @Transient
• XxxController (Resources API, Pfade und Methoden, hat XxxService)
• @RestController
• @RequestMapping(path = "p1/p2/p3")
• XxxController.Getter
• @GetMapping
• XxxController.Save
• @PostMapping
• XxxService (Daten Bereitstellung, hat XxxRepository)
• @Component (alt)
• @Service
• XxxService.Constructor
• @Autowired
• XxxRepository (Interface, Data Access, DB-Handler)
• extends JpaRepository<Xxx,ID-Type>
• @Repository
• XxxConfig (Initiale Datendefinition)
• @Configuration
• XxxConfig.CommandLineRunner(XxxRepository)
• @Bean
• resources: application.properties