Class JettyStatisticsCollector

java.lang.Object

io.prometheus.client.Collector

io.prometheus.client.jetty.JettyStatisticsCollector

public class JettyStatisticsCollector
extends Collector

Collect metrics from jetty's org.eclipse.jetty.server.handler.StatisticsHandler.

Server server = new Server(8080);

ServletContextHandler context = new ServletContextHandler();
context.setContextPath("/");
server.setHandler(context);

HandlerCollection handlers = new HandlerCollection();

StatisticsHandler statisticsHandler = new StatisticsHandler();
statisticsHandler.setServer(server);
handlers.addHandler(statisticsHandler);

// Register collector.
new JettyStatisticsCollector(statisticsHandler).register();

server.setHandler(handlers);

server.start();

Nested Class Summary

Nested classes/interfaces inherited from class Collector

Collector.Describable, Collector.MetricFamilySamples, Collector.Type

Field Summary

Fields

Modifier and Type	Field	Description
private static final List<String>	EMPTY_LIST
private final org.eclipse.jetty.server.handler.StatisticsHandler	statisticsHandler

Fields inherited from class Collector

MILLISECONDS_PER_SECOND, NANOSECONDS_PER_SECOND

Constructor Summary

Constructors

Constructor	Description
JettyStatisticsCollector(org.eclipse.jetty.server.handler.StatisticsHandler statisticsHandler)

Method Summary

Modifier and Type	Method	Description
private static Collector.MetricFamilySamples	buildCounter(String name, String help, double value)
private static Collector.MetricFamilySamples	buildGauge(String name, String help, double value)
private Collector.MetricFamilySamples	buildStatusCounter()
private static Collector.MetricFamilySamples.Sample	buildStatusSample(String name, String status, double value)
List<Collector.MetricFamilySamples>	collect()	Return all metrics of this Collector.

Methods inherited from class Collector

checkMetricLabelName, checkMetricName, collect, doubleToGoString, register, register, sanitizeMetricName

Methods inherited from class Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Details

statisticsHandler

private final org.eclipse.jetty.server.handler.StatisticsHandler statisticsHandler

EMPTY_LIST

private static final List<String> EMPTY_LIST

Constructor Details

JettyStatisticsCollector

public JettyStatisticsCollector(org.eclipse.jetty.server.handler.StatisticsHandler statisticsHandler)

Method Details

collect

public List<Collector.MetricFamilySamples> collect()

Description copied from class: Collector

Return all metrics of this Collector.

Specified by:

collect in class Collector

buildGauge

private static Collector.MetricFamilySamples buildGauge(String name,
 String help,
 double value)

buildCounter

private static Collector.MetricFamilySamples buildCounter(String name,
 String help,
 double value)

buildStatusCounter

private Collector.MetricFamilySamples buildStatusCounter()

buildStatusSample

private static Collector.MetricFamilySamples.Sample buildStatusSample(String name,
 String status,
 double value)