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JSF 1.2 Components by Ian Hlavats

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Seam conversation management

The JBoss Seam framework provides elegant solutions to a number of problems. One of these problems is the concept of conversation management. Traditional web applications have a limited number of scopes (or container-managed memory regions) in which they can store data needed by the application at runtime.

In a typical Java web application, these scopes are the application scope, the session scope, and the request scope. JSP-based Java web applications also have a page scope. Application scope is typically used to store stateless components or long-term read-only application data. Session scope provides a convenient, medium-term storage for per-user application state, such as user credentials, application preferences, ...

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