Default request control context implementation used internally by the web
flow system. This class is closely coupled with
FlowExecutionImpl and FlowSessionImpl. The
three classes work together to form a complete flow execution implementation
based on a finite state machine.
See Also:FlowExecutionImpl See Also:FlowSessionImpl author: Keith Donald author: Erwin Vervaet
Create a new request context.
Parameters: flowExecution - the owning flow execution Parameters: externalContext - the external context that originated the flowexecution request