private synchronized void changeState(final State newState) {
LOG.debug("Changing state from : {} to : {} for channel: {}", state, newState, channel);
checkState(isStateChangePermitted(state, newState),
private synchronized void changeState(final State newState) {
LOG.debug("Changing state from : {} to : {} for channel: {}", state, newState, channel);
checkState(isStateChangePermitted(state, newState),