Method ageDeliveryPreds

routing/ProphetRouter.java:169–183

Ages all entries in the delivery predictions. P(a,b) = P(a,b)_old (GAMMA ^ k) , where k is number of time units that have elapsed since the last time the metric was aged. @see #SECONDS_IN_UNIT_S

()

	 * @see #SECONDS_IN_UNIT_S
	 */
	private void ageDeliveryPreds() {
		double timeDiff = (SimClock.getTime() - this.lastAgeUpdate) / 
			secondsInTimeUnit;
		
		if (timeDiff == 0) {
			return;
		}
		
		double mult = Math.pow(GAMMA, timeDiff);
		for (Map.Entry<DTNHost, Double> e : preds.entrySet()) {
			e.setValue(e.getValue()*mult);
		}
		
		this.lastAgeUpdate = SimClock.getTime();
	}
	
	/**
	 * Returns a map of this router's delivery predictions