Activation and Passivation of the OFA

I'm just curious to know what is the activation and Passivation of the OFA. These things are not very clear in the developer's guide.

Thank you

Passivation is the process of saving the State of the application to a secondary support (the database) at the points of specific event so it can be restored (enabled) when necessary. This restoration of data is called Activation. Passivation of the OFA is done implicitly when the appropriate profile options are enabled.

OA Framework currently provides the following State management functions:

Scalable applications - when the consumption of resources is high, rather than create a new instance of the resource dedicated to each new server thread, OA Framework saves the State of the application of idle threads and retrieves their resources for use by others. When the idle user thread wakes, the saved application state is restored. In short, memory is recovered for JDBC connections, application modules and user sessions without affecting the user experience.

Session timeout recovery - Servlet session can expire without forcing the user to restart an incomplete transaction. In the future, this functionality will be extended to support failover of the intermediate layer.

Its often recommended for the product team to ensure that their application is certified passivation.

All these information are available in the OA Framework Developer's Guide.

Kind regards
Guru.

Tags: Oracle Applications

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