package com.netflix.eventbus.impl;
import com.netflix.servo.monitor.BasicCounter;
import com.netflix.servo.monitor.Counter;
import com.netflix.servo.monitor.MonitorConfig;
import com.netflix.servo.monitor.Monitors;
import com.netflix.servo.monitor.StatsTimer;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import static com.netflix.eventbus.utils.EventBusUtils.newStatsTimer;
/**
* Runtime statistics for event bus, this relates to publish data and is always captured for the time period as returned
* by {@link EventBusStats#}.
*
* @author Nitesh Kant (nkant@netflix.com)
*/
class EventBusStats {
private static final Logger LOGGER = LoggerFactory.getLogger(EventBusStats.class);
final StatsTimer publishStats;
final StatsTimer conditionalPublishStats;
final StatsTimer filterStats;
final Counter publishErrors;
final Counter conditionalPublishErrors;
public EventBusStats(long collectionDurationInMillis) {
publishStats = newStatsTimer("eventbus_publish", collectionDurationInMillis);
conditionalPublishStats = newStatsTimer("eventbus_conditional_publish", collectionDurationInMillis);
filterStats = newStatsTimer("eventbus_publish_filter_stats", collectionDurationInMillis);
publishErrors = new BasicCounter(MonitorConfig.builder("eventbus_publish_errors").build());
conditionalPublishErrors = new BasicCounter(MonitorConfig.builder("eventbus_conditional_publish_errors").build());
try {
Monitors.registerObject(this);
} catch (Throwable th) {
LOGGER.error("Unable to register to event bus stats to servo.", th);
}
}
}