This repository contains java applications(including webapps) code and samples.

• https://github.com/kolorobot/spring-mvc-quickstart-archetype
• https://subversion.assembla.com/svn/spring-generic-dao-jpa-example
• https://github.com/openshift/spring-eap6-quickstart
• https://github.com/springinpractice/sip07
• https://github.com/gordonad/enterprise-spring-best-practices

• ssng-project-master
• Cerberus-stateless-master
• greenhouse-master
• infinit-group-cvdb-14416f9af6da
• spring-mysql-mongo-rabbit-integration-master
• spring-resource-handling-master
• springside4-master StudentEnrollmentWithSpring-1.6

• Fonts: Source Sans Pro and Merriweather (https://18f.gsa.gov/2017/10/03/building-a-large-scale-design-system/)
• http://fastutil.di.unimi.it/
• https://github.com/NIT-Software/Modern-Ecommerce

Instead of using a Layered Architecture where you commonly have 3 layers with one directional flow, this image showcase a Hexagonal Architecture (Ports and Adapters). The core domain comprises of the main business logic would be the inner and the application infrastructure (Database, Message Queues, REST endpoints) would be the outer layers.

This is how the system components fit together:

Database table structure:

Rather than having a logical Data Access Layer within a 3 layered architecture, in a hexagonal architecture data access are in an outer layer.