// Update the domain limits:
long startL = this.domainStart.longValue(); //(time is kept in msec)
this.domainStart = new Long(startL + this.deltaTime);
long endL = this.domainEnd.longValue();
this.domainEnd = new Long(endL + this.deltaTime);
this.domainRange = new Range(startL, endL);
fireSeriesChanged();
return nextInstant;
}