Package org.apache.hadoop.io.retry

Class AsyncCallHandler

java.lang.Object

org.apache.hadoop.io.retry.AsyncCallHandler

@Private
public class AsyncCallHandler
extends java.lang.Object

Handle async calls.

Field Summary

Fields

Modifier and Type	Field	Description
static org.slf4j.Logger	LOG

Constructor Summary

Constructors

Constructor	Description
AsyncCallHandler()

Method Summary

Modifier and Type	Method	Description
static <R,T extends java.lang.Throwable> AsyncGet<R,T>	getAsyncReturn()
static long	getGracePeriod()
static void	setLowerLayerAsyncReturn(AsyncGet<?,java.lang.Exception> asyncReturn)	For the lower rpc layers to set the async return value.

Methods inherited from class java.lang.Object

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

Field Detail

LOG

public static final org.slf4j.Logger LOG

Constructor Detail

AsyncCallHandler

public AsyncCallHandler()

Method Detail

getAsyncReturn

@Unstable
public static <R,T extends java.lang.Throwable> AsyncGet<R,T> getAsyncReturn()

Type Parameters:

T - T.

R - R.

Returns:

the async return value from AsyncCallHandler.

setLowerLayerAsyncReturn

@Unstable
public static void setLowerLayerAsyncReturn(AsyncGet<?,java.lang.Exception> asyncReturn)

For the lower rpc layers to set the async return value.

Parameters:

asyncReturn - asyncReturn.

getGracePeriod

@VisibleForTesting
public static long getGracePeriod()