Top Description Inners Fields Constructors Methods

io.undertow.server.handlers

public Class MetricsHandler

Class Inheritance

extends Object
implements HttpHandler

java.lang.Object
io.undertow.server.handlers.MetricsHandler

All Implemented Interfaces

io.undertow.server.HttpHandler

Imports

io.undertow.server.ExchangeCompletionListener, .HandlerWrapper, .HttpHandler, .HttpServerExchange, java.util.Date, java.util.concurrent.atomic.AtomicIntegerFieldUpdater, .AtomicLongFieldUpdater

Handler that records some metrics

Author: Stuart Douglas

Nested and Inner Type Summary

Modifier and Type	Class and Description
public static class	MetricsHandler.MetricResult

Field Summary

Modifier and Type	Field and Description
private final HttpHandler	next
private volatile MetricsHandler.MetricResult	totalResult
public static final HandlerWrapper	WRAPPER

Constructor Summary

Access	Constructor and Description
public	MetricsHandler(HttpHandler next)

Method Summary

Modifier and Type	Method and Description
public MetricsHandler.MetricResult	getMetrics()
public void	handleRequest(HttpServerExchange the HTTP request/response exchange exchange) Implements io.undertow.server.HttpHandler.handleRequest. Handle the request.
public void	reset()

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

next	back to summary
private final HttpHandler next

totalResult	back to summary
private volatile MetricsHandler.MetricResult totalResult

WRAPPER

back to summary

public static final HandlerWrapper WRAPPER

Constructor Detail

MetricsHandler	back to summary
public MetricsHandler(HttpHandler next)

Method Detail

getMetrics	back to summary
public MetricsHandler.MetricResult getMetrics()

handleRequest

back to summary

public void handleRequest(HttpServerExchange exchange) throws Exception

Implements io.undertow.server.HttpHandler.handleRequest.

Doc from io.undertow.server.HttpHandler.handleRequest.

Handle the request.

Parameters

exchange:HttpServerExchange: the HTTP request/response exchange

Annotations

@Override

reset	back to summary
public void reset()

io.undertow.server.handlers back to summary

public Class MetricsHandler.MetricResult

Class Inheritance

extends Object

java.lang.Object
io.undertow.server.handlers.MetricsHandler.MetricResult

Field Summary

Modifier and Type	Field and Description
private static final AtomicLongFieldUpdater<MetricsHandler.MetricResult>	errorsUpdater
private static final AtomicLongFieldUpdater<MetricsHandler.MetricResult>	invocationsUpdater
private volatile int	maxRequestTime
private static final AtomicIntegerFieldUpdater<MetricsHandler.MetricResult>	maxRequestTimeUpdater
private final Date	metricsStartDate
private volatile int	minRequestTime
private static final AtomicIntegerFieldUpdater<MetricsHandler.MetricResult>	minRequestTimeUpdater
private volatile long	totalErrors
private volatile long	totalRequests
private volatile long	totalRequestTime
private static final AtomicLongFieldUpdater<MetricsHandler.MetricResult>	totalRequestTimeUpdater

Constructor Summary

Access	Constructor and Description
public	MetricResult(Date metricsStartDate)
public	MetricResult(MetricsHandler.MetricResult copy)

Method Summary

Modifier and Type	Method and Description
public int	getMaxRequestTime()
public Date	getMetricsStartDate()
public int	getMinRequestTime()
public long	getTotalErrors()
public long	getTotalRequests()
public long	getTotalRequestTime()
pack-priv void	update(final int requestTime, int statusCode)

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

Field Detail

errorsUpdater	back to summary
private static final AtomicLongFieldUpdater<MetricsHandler.MetricResult> errorsUpdater

invocationsUpdater	back to summary
private static final AtomicLongFieldUpdater<MetricsHandler.MetricResult> invocationsUpdater

maxRequestTime	back to summary
private volatile int maxRequestTime

maxRequestTimeUpdater	back to summary
private static final AtomicIntegerFieldUpdater<MetricsHandler.MetricResult> maxRequestTimeUpdater

metricsStartDate	back to summary
private final Date metricsStartDate

minRequestTime	back to summary
private volatile int minRequestTime

minRequestTimeUpdater	back to summary
private static final AtomicIntegerFieldUpdater<MetricsHandler.MetricResult> minRequestTimeUpdater

totalErrors	back to summary
private volatile long totalErrors

totalRequests	back to summary
private volatile long totalRequests

totalRequestTime	back to summary
private volatile long totalRequestTime

totalRequestTimeUpdater	back to summary
private static final AtomicLongFieldUpdater<MetricsHandler.MetricResult> totalRequestTimeUpdater

Constructor Detail

MetricResult	back to summary
public MetricResult(Date metricsStartDate)

MetricResult	back to summary
public MetricResult(MetricsHandler.MetricResult copy)

Method Detail

getMaxRequestTime	back to summary
public int getMaxRequestTime()

getMetricsStartDate	back to summary
public Date getMetricsStartDate()

getMinRequestTime	back to summary
public int getMinRequestTime()

getTotalErrors	back to summary
public long getTotalErrors()

getTotalRequests	back to summary
public long getTotalRequests()

getTotalRequestTime	back to summary
public long getTotalRequestTime()

update	back to summary
pack-priv void update(final int requestTime, int statusCode)