Full Stack Java

• Java tooling is second to none — use it
• Applications are best developed in a single language, top to bottom, saving time via shared code
• Applications should be resilient
• Applications should be scalable
• Applications should have thorough tests for testability and flexibility

The Technology

• ORM: JPA/Hibernate with auto-tables
• Transactions: Spring Transactions or Atomikos
• AuthN: Ton library
• REST: JAX-RS/Jersey with versioning
• Web: TeaVM and Flavour
  • Including REST clients from JAX-RS annotations
  • Routing for multi-page apps with URL linkability
• Mobile: Codename One

The Tools

• Build: Maven
• Test: JUnit/Mockito
• Mutation Testing and Coverage: PIT
• Static Analysis: Findbugs/PMD/Checkstyle
• Server: Tomcat
• Database: H2

Packaging

• Format: WAR
• Config: Via environment (For database and discovery server)
• Discovery: Eureka or ELB on VPC
• Deployment: Elastic Beanstalk

The Modules

• ui-web: TeaVM front-end
• ui-core: Shared state machines and logic shared by all UIs
• resource: JAX-RS wrapper around service
• view: POJOs for sending data to the front end
• service: The server-side business logic, uses dao and model
• dao: Database access, returns model objects to services
• model: The server-side POJOs saved in the DB