== How To Build and Run
The whole application can be build and executed with:
The application is available under \http://localhost:8080.
=== Entities, Identifiers, Tags, Comments
The demonstration application shows the user interface for
Simple Entities:: with internal object identifier, external identifier, name, validity time range and text. Complex Entities:: simple entities with tags and comments. Comments View:: An entity can have a set of human-readable comments. Tags View:: An entity can have a set of tags with optional or mandatory values. Codes:: Enumeration values similar to reference tables are supported. One-to-One Relation:: relation between two entities. One-to-Many Relation:: collection between an owning entity and a set of owned entities CRUD Operations:: are provided for simple and complex entitites. The available operations are either for read-only entities or modifiable entities.