/**
* set original time stamp
*
* @param tsTo to time stamped message
* @param tsFrom from time stamped message
*/
private void setOriginTSMsg(TimeStamp tsTo, TimeStamp tsFrom) {
if (tsTo == null || tsFrom == null) return;
tsTo.setTimeStamp(tsFrom.getType(), tsFrom.getVectorClock(), tsFrom.getLogicalClock());
}
