DruideDB is an embedded database (based on Object/XML mapping files) for Java applications. Both source code (DAO) and persistence layer (mapping) is generated. This DB stores everything as strings and handle auto-increments and multiple PKs.
It consists of a library of Java classes that gives us support the programming of applications. Boring, repetitive tasks will be included in CommunityUtil. So this is the aim: to provide fast that encapsulates all classes complicated tasks.