Author(s)Filip Hanik, Craig R. McClanahan, Jean-Francois Arcand, Peter Rossbach
The DeltaManager manages replicated sessions by only replicating the deltas
in data. For applications written to handle this, the DeltaManager is the
optimal way of replicating data.
This code is almost identical to StandardManager with a difference in how it
persists sessions and some modifications to it.
IMPLEMENTATION NOTE : Correct behavior of session storing and
reloading depends upon external calls to the start() and
stop() methods of this class at the correct times.
start()andstop()methods of this class at the correct times.