org.apache.hadoop.fs.azure.metrics

Class ErrorMetricUpdater

java.lang.Object

com.microsoft.azure.storage.StorageEvent<com.microsoft.azure.storage.ResponseReceivedEvent>

org.apache.hadoop.fs.azure.metrics.ErrorMetricUpdater

All Implemented Interfaces:

EventListener

@InterfaceAudience.Private
public final class ErrorMetricUpdater
extends com.microsoft.azure.storage.StorageEvent<com.microsoft.azure.storage.ResponseReceivedEvent>

An event listener to the ResponseReceived event from Azure Storage that will update error metrics appropriately when it gets that event.

Method Summary

Modifier and Type	Method and Description
void	eventOccurred(com.microsoft.azure.storage.ResponseReceivedEvent eventArg)
static void	hook(com.microsoft.azure.storage.OperationContext operationContext, AzureFileSystemInstrumentation instrumentation) Hooks a new listener to the given operationContext that will update the error metrics for the WASB file system appropriately in response to ResponseReceived events.

Methods inherited from class java.lang.Object

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

Method Detail

hook

public static void hook(com.microsoft.azure.storage.OperationContext operationContext,
                        AzureFileSystemInstrumentation instrumentation)

Hooks a new listener to the given operationContext that will update the error metrics for the WASB file system appropriately in response to ResponseReceived events.

Parameters:

operationContext - The operationContext to hook.

instrumentation - The metrics source to update.

eventOccurred

public void eventOccurred(com.microsoft.azure.storage.ResponseReceivedEvent eventArg)

Specified by:

eventOccurred in class com.microsoft.azure.storage.StorageEvent<com.microsoft.azure.storage.ResponseReceivedEvent>