private static void WriteCollapserMetrics(JsonTextWriter writer, HystrixCollapserMetrics collapserMetrics)
{
IHystrixCollapserKey key = collapserMetrics.CollapserKey;
writer.WriteStartObject();
writer.WriteStringField("type", "HystrixCollapser");
writer.WriteStringField("name", key.Name);
writer.WriteLongField("currentTime", Time.CurrentTimeMillisJava);
writer.WriteLongField("rollingCountRequestsBatched", collapserMetrics.GetRollingCount(CollapserEventType.ADDED_TO_BATCH));
writer.WriteLongField("rollingCountBatches", collapserMetrics.GetRollingCount(CollapserEventType.BATCH_EXECUTED));
writer.WriteLongField("rollingCountResponsesFromCache", collapserMetrics.GetRollingCount(CollapserEventType.RESPONSE_FROM_CACHE));
// batch size percentiles
writer.WriteIntegerField("batchSize_mean", collapserMetrics.BatchSizeMean);
writer.WriteObjectFieldStart("batchSize");
writer.WriteIntegerField("25", collapserMetrics.GetBatchSizePercentile(25));
writer.WriteIntegerField("50", collapserMetrics.GetBatchSizePercentile(50));
writer.WriteIntegerField("75", collapserMetrics.GetBatchSizePercentile(75));
writer.WriteIntegerField("90", collapserMetrics.GetBatchSizePercentile(90));
writer.WriteIntegerField("95", collapserMetrics.GetBatchSizePercentile(95));
writer.WriteIntegerField("99", collapserMetrics.GetBatchSizePercentile(99));
writer.WriteIntegerField("99.5", collapserMetrics.GetBatchSizePercentile(99.5));
writer.WriteIntegerField("100", collapserMetrics.GetBatchSizePercentile(100));
writer.WriteEndObject();
writer.WriteBooleanField("propertyValue_requestCacheEnabled", collapserMetrics.Properties.RequestCacheEnabled);
writer.WriteIntegerField("propertyValue_maxRequestsInBatch", collapserMetrics.Properties.MaxRequestsInBatch);
writer.WriteIntegerField("propertyValue_timerDelayInMilliseconds", collapserMetrics.Properties.TimerDelayInMilliseconds);
writer.WriteIntegerField("reportingHosts", 1); // this will get summed across all instances in a cluster
writer.WriteEndObject();
}
