public void addWritten(byte[] value){
  writeSetLock.lock();
  writeSet.add(new TimestampValuePair(ets,value));
  writeSetLock.unlock();
}

public void addWritten ( byte [ ] value ) { writeSetLock . lock ( ) ; writeSet . add ( new TimestampValuePair ( ets , value ) ) ; writeSetLock . unlock ( ) ; }
add a value that shall be written to the writeset
