Section: jAcl2.db concepts
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jAcl2.db is a "db" or database driver of jAcl2. rights are stored in a database. It implements generic concepts fo jAcl2 and add one feature: support of user groups. Then, the basic elements defining a right are:
- a subject
- a user group
- a resource (optional)
Groups and users ¶
Each user is in one or more groups. Remember with jAcl2.db, a rights apply only on one or more groups and not directly on a user.
Still, you can add a right to a specific user. it is enabled by the automatic existence of a "private" group dedicated to each user. Each user has its own private group in which he is alone...
There are three group types :
- private groups. hidden in group lists
- normal groups
- default groups : those in which a new user is automatically added.
class utilities ¶
Two class utilities come with jAcl2.db to manage groups, users and rights:
Schema of relationnal data of jAcl2.db ¶