Class OcHttpServletListener

java.lang.Object

io.opencensus.contrib.http.servlet.OcHttpServletListener

All Implemented Interfaces:

Closeable, AutoCloseable, EventListener, javax.servlet.AsyncListener

@ExperimentalApi
public final class OcHttpServletListener
extends Object
implements Closeable, javax.servlet.AsyncListener

This class implements AsyncListener to handle span completion for async request handling.

Field Summary

Fields

Modifier and Type	Field	Description
private final HttpRequestContext	context
private final HttpServerHandler<javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.http.HttpServletRequest>	handler

Constructor Summary

Constructors

Constructor	Description
OcHttpServletListener(HttpServerHandler<javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.http.HttpServletRequest> handler, HttpRequestContext context)

Method Summary

Modifier and Type	Method	Description
void	close()
void	onComplete(javax.servlet.AsyncEvent event)
void	onError(javax.servlet.AsyncEvent event)
void	onStartAsync(javax.servlet.AsyncEvent event)
void	onTimeout(javax.servlet.AsyncEvent event)
(package private) Scope	withSpan()

Methods inherited from class Object

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

Field Details

context

private final HttpRequestContext context

handler

private final HttpServerHandler<javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.http.HttpServletRequest> handler

Constructor Details

OcHttpServletListener

OcHttpServletListener(HttpServerHandler<javax.servlet.http.HttpServletRequest, javax.servlet.http.HttpServletResponse, javax.servlet.http.HttpServletRequest> handler,
 HttpRequestContext context)

Method Details

close

public void close()

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

onComplete

public void onComplete(javax.servlet.AsyncEvent event)

Specified by:

onComplete in interface javax.servlet.AsyncListener

onError

public void onError(javax.servlet.AsyncEvent event)

Specified by:

onError in interface javax.servlet.AsyncListener

onStartAsync

public void onStartAsync(javax.servlet.AsyncEvent event)

Specified by:

onStartAsync in interface javax.servlet.AsyncListener

onTimeout

public void onTimeout(javax.servlet.AsyncEvent event)

Specified by:

onTimeout in interface javax.servlet.AsyncListener

withSpan

@MustBeClosed
Scope withSpan()