Basic HTML version of Foils prepared October 25 99

Foil 17 Tango Beans - Session State

From Component Architecture for building Web-based Synchronous Collaboration Systems Workshop-Conference on "Enabling Technologies: Infrastructure for Enterprises (WET ICE)" at Stanford University in Palo Alto California, USA -- June 16-18, 1999. by Lukasz Beca
Application components can access session state information using interface exposed by TangoBean
Two modes of data access are available:
  • synchronous access: method call
  • asynchronous notification: registration of listener object, provides access to information about session state changes
Synchronous access:
  • list of session participants
  • floor control status
  • name of the floor holder
  • name of the user
Asynchronous notification:
  • floor control state change
  • session participant joined/left

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