Package com.yahoo.container.handler

Class VipStatusHandler

java.lang.Object

com.yahoo.jdisc.AbstractResource

com.yahoo.jdisc.handler.AbstractRequestHandler

com.yahoo.container.jdisc.ThreadedRequestHandler

com.yahoo.container.jdisc.ThreadedHttpRequestHandler

com.yahoo.container.handler.VipStatusHandler

All Implemented Interfaces:

com.yahoo.jdisc.handler.RequestHandler, com.yahoo.jdisc.SharedResource

public final class VipStatusHandler
extends ThreadedHttpRequestHandler

Transmit status to VIP from file or memory. Bind this to "http://*/status.html" to serve VIP status requests.

Author:

Steinar Knutsen, bratseth

Nested Class Summary

Nested classes/interfaces inherited from class com.yahoo.container.jdisc.ThreadedHttpRequestHandler

ThreadedHttpRequestHandler.LazyContentChannel

Field Summary

Fields inherited from class com.yahoo.container.jdisc.ThreadedHttpRequestHandler

CONTENT_TYPE, log

Fields inherited from class com.yahoo.container.jdisc.ThreadedRequestHandler

metric

Fields inherited from interface com.yahoo.jdisc.SharedResource

DEBUG, SYSTEM_PROPERTY_NAME_DEBUG

Constructor Summary

Constructors

Constructor	Description
VipStatusHandler(VipStatusConfig vipConfig, com.yahoo.jdisc.Metric metric, VipStatus vipStatus)	Create this with a dedicated thread pool to avoid returning an error to VIPs when the regular thread pool is out of capacity.
VipStatusHandler(java.util.concurrent.Executor executor, VipStatusConfig vipConfig, com.yahoo.jdisc.Metric metric)
VipStatusHandler(java.util.concurrent.Executor executor, VipStatusConfig vipConfig, com.yahoo.jdisc.Metric metric, VipStatus vipStatus)

Method Summary

Modifier and Type	Method	Description
HttpResponse	handle(HttpRequest request)	Override this to implement a synchronous style handler.

Methods inherited from class com.yahoo.container.jdisc.ThreadedHttpRequestHandler

addDateHeader, asHttpRequest, createLoggingCompletionHandler, handle, handleRequest

Methods inherited from class com.yahoo.container.jdisc.ThreadedRequestHandler

getTimeout, handleRequest

Methods inherited from class com.yahoo.jdisc.handler.AbstractRequestHandler

handleTimeout

Methods inherited from class com.yahoo.jdisc.AbstractResource

currentState, destroy, refer, release, retainCount

Methods inherited from class java.lang.Object

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

Methods inherited from interface com.yahoo.jdisc.SharedResource

refer, release

Constructor Detail

VipStatusHandler

@Inject
public VipStatusHandler(VipStatusConfig vipConfig,
                        com.yahoo.jdisc.Metric metric,
                        VipStatus vipStatus)

Create this with a dedicated thread pool to avoid returning an error to VIPs when the regular thread pool is out of capacity. This is the default behavior.

VipStatusHandler

public VipStatusHandler(java.util.concurrent.Executor executor,
                        VipStatusConfig vipConfig,
                        com.yahoo.jdisc.Metric metric)

VipStatusHandler

public VipStatusHandler(java.util.concurrent.Executor executor,
                        VipStatusConfig vipConfig,
                        com.yahoo.jdisc.Metric metric,
                        VipStatus vipStatus)

Method Detail

handle

public HttpResponse handle(HttpRequest request)

Description copied from class: ThreadedHttpRequestHandler

Override this to implement a synchronous style handler.

Specified by:

handle in class ThreadedHttpRequestHandler

Parameters:

request - incoming HTTP request

Returns:

a valid HTTP response for presentation to the user