This is a presentation I gave in a series of seminars organized by SpringSource and Objet Direct, on June 9 and 10, 2009.

1. Using Spring Framework in HP Outsourcing Services End User Portal Pierre Fouché [email_address]

3. Architecture Presentation Layer Controller Model View Controller Model View Service Layer Canonical model Implementation Service Call Manager Incident Manager X SC Manager X Incident Manager Y Incident Manager X SC Manager X Incident Manager Data Access Layer Backend Applications Application X2 Application X1 Application Y1 Y Incident Manager X SC DAO X Incident DAO X SC DAO X Incident DAO

5. Bean management (2) X-1 Cust-2 Main application context System bean factories Company bean factories X-2 Y-1 Cust-1 Imported beans Internal beans Exported beans S3 S3 S1 S2 S1 S2 S1 S2 S1 S2 S1 S2

7. Bean resolvers (2) X-1 X-2 Cust-1 Bean resolver System bean factories Company bean factory S2 S2 S1 S1 S2 S1 S1 S2 S1 S2 S1 S2

9. “ Hot” reloading (2) “ Child” bean factory “ Parent” bean factory Regular bean Proxy bean Target Bean 1. Reload 2. Create new parent bean factory 3. Assign new target bean 4. Delete old parent bean factory