isUserContextCacheValid(MarkupConfig markupConfig, ContainerRequest request) Returns true if new user related information
in the request that was used by the implementation
to construct UserContext still the same as last time.
Else return false.
Returns true if new user related information
in the request that was used by the implementation
to construct UserContext still the same as last time.
Else return false. If there is no data from last request,
returns false.
Parameters: config - markup configuration information object. Parameters: request - container request object true/false exception: com.sun.portal.container.ContainerException - exception: com.sun.portal.container.ContentException -