Creates the session by delegating EIS creation to subclasses via the {@link #doCreate} method, and then asserting that the returned sessionId is not null.
@param session Session object to create in the EIS and associate with an ID.
See Implementation
Creates the session by delegating EIS creation to subclasses via the {@link #doCreate} method, and then asserting that the returned sessionId is not null.
@param session Session object to create in the EIS and associate with an ID.