Fig21. Models
Package: class diagram
3.3.4.2 Session Beans
package
This package presents the data
persistence layer, it models the way of treatment
resource and interaction with the database.
The purpose of this package is to ensure the
flexible and easy data integrity guarantees and to adapt the
application with any data source.
It offers methods to update the data (create,
retrieve, update and delete). Here is a description
of some classes in this diagram:
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