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2 votes
3 answers
272 views

Pattern for syncing databases with undo option

I work on a large and old application consisting of a server and a fat client. Part of what the application does is handle a large-ish (a few 100MBs) database of frequently changing data (~a dozen ...
Johannes Hahn's user avatar
0 votes
2 answers
1k views

Correct way to separate JPA with Service layer

I have two tables: area ( id int PK autoincrement code varchar ) products ( id int PK autoincrement name varchar area_id int PK to AREA ... ) The classes are persisted using eclipselink ...
Mariano L's user avatar
  • 111
3 votes
0 answers
109 views

Are Remote EJBs the right way to go?

I am planning to remodel my current application and I am not sure if this is the right approach. Currently I have a Java Enterprise server application with 3 web-applications and an ejb-application ...
GameDroids's user avatar
1 vote
1 answer
2k views

Creating a separate project for JPA entities

Where I work it is a common practice to create a separate for JPA entities and a project for the web application (the WAR). So basically you have (at least) two project for each application - appJPA ...
Bennyz's user avatar
  • 113