Storing the Application State

Use

Portal components and services are stateless. However, a portal application needs to maintain its state; for example, the status of data handling.

The Portal Runtime enables you to store and share data for a portal component or service at different levels, depending on the required scope:

Scope	Description
Session	A user session. Use to share data during an entire user session.
Component	A portal component. Use to store data specific to a component or an iView based on this component. The data is valid only during the component session.
Request	A single HTTP request and response cycle. Use to share data between all components running in the same request cycle.

Scope

Description

Session

A user session.

Use to share data during an entire user session.

Component

A portal component.

Use to store data specific to a component or an iView based on this component. The data is valid only during the component session.

Request

A single HTTP request and response cycle.

Use to share data between all components running in the same request cycle.

For more information about state management in portal applications, see Managing State .