* set to initial state for current session only when the state doesn't exist in current session
*/
private void carryOverPreviousCurrentState()
{
Builder keyBuilder = _helixAccessor.keyBuilder();
List<String> sessions = _helixAccessor.getChildNames(keyBuilder.sessions(_instanceName));
// carry-over
for (String session : sessions) {
if (session.equals(_sessionId)) {
continue;