@Override
public void process(Exchange exchange) throws Exception {
String message = exchange.getIn().getBody(String.class);
ObjectMapper objectMapper = new ObjectMapper();
TypeFactory typeFactory = objectMapper.getTypeFactory();
List<Double> values =
objectMapper.readValue(
message, typeFactory.constructCollectionType(List.class, Double.class));
SummaryStatistics summaryStatistics = new SummaryStatistics();
List<Double> list = new ObjectMapper().readValue(message, List.class);
for (Double value : list) {
summaryStatistics.addValue(value);
}
String variance = Double.toString(summaryStatistics.getVariance());
exchange.getOut().setBody(variance);
}
/**
* Get the Variance of all the stats that are watched, for all the stats added with add() since
* the last call to clear() (in JSON).
*
* @return The Variance of all the stats since last clear() in JSON.
*/
public String getVarianceJSON() {
String str =
String.format(
FakeUserStats.jsonMediaStreamStatsTemplate,
-1, // ssrc not needed here
downloadJitterMs.getVariance(),
downloadPercentLoss.getVariance(),
downloadRateKiloBitPerSec.getVariance(),
jitterBufferDelayMs.getVariance(),
jitterBufferDelayPackets.getVariance(),
nbDiscarded.getVariance(),
nbDiscardedFull.getVariance(),
nbDiscardedLate.getVariance(),
nbDiscardedReset.getVariance(),
nbDiscardedShrink.getVariance(),
nbFec.getVariance(),
nbPackets.getVariance(),
nbPacketsLost.getVariance(),
nbReceivedBytes.getVariance(),
nbSentBytes.getVariance(),
packetQueueCountPackets.getVariance(),
packetQueueSize.getVariance(),
percentDiscarded.getVariance(),
rttMs.getVariance(),
uploadJitterMs.getVariance(),
uploadPercentLoss.getVariance(),
uploadRateKiloBitPerSec.getVariance());
return str;
}
