Java Platform, Enterprise Edition (Java EE) 8 The Java EE Tutorial |
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The JavaServer Faces lifecycle spans all of the execute and render processes of an application. It is also possible to process and render only parts of an application, such as a single component. For example, the JavaServer Faces Ajax framework can generate requests containing information on which particular component may be processed and which particular component may be rendered back to the client.
Once such a partial request enters the JavaServer Faces lifecycle, the
information is identified and processed by a
javax.faces.context.PartialViewContext
object. The JavaServer Faces
lifecycle is still aware of such Ajax requests and modifies the
component tree accordingly.
The execute
and render
attributes of the f:ajax
tag are used to
identify which components may be executed and rendered. For more
information on these attributes, see Chapter 13,
"Using Ajax with JavaServer Faces Technology".
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