Package org.apache.hadoop.fs.impl.prefetch

Class Retryer

java.lang.Object

org.apache.hadoop.fs.impl.prefetch.Retryer

public class Retryer
extends java.lang.Object

Provides retry related functionality.

Constructor Summary

Constructors

Constructor	Description
Retryer(int perRetryDelay, int maxDelay, int statusUpdateInterval)	Initializes a new instance of the Retryer class.

Method Summary

Modifier and Type	Method	Description
boolean	continueRetry()	Returns true if retrying should continue, false otherwise.
boolean	updateStatus()	Returns true if status update interval has been reached.

Methods inherited from class java.lang.Object

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

Constructor Detail

Retryer

public Retryer(int perRetryDelay,
               int maxDelay,
               int statusUpdateInterval)

Initializes a new instance of the Retryer class.

Parameters:

perRetryDelay - per retry delay (in ms).

maxDelay - maximum amount of delay (in ms) before retry fails.

statusUpdateInterval - time interval (in ms) at which status update would be made.

Throws:

java.lang.IllegalArgumentException - if perRetryDelay is zero or negative.

java.lang.IllegalArgumentException - if maxDelay is less than or equal to perRetryDelay.

java.lang.IllegalArgumentException - if statusUpdateInterval is zero or negative.

Method Detail

continueRetry

public boolean continueRetry()

Returns true if retrying should continue, false otherwise.

Returns:

true if the caller should retry, false otherwise.

updateStatus

public boolean updateStatus()

Returns true if status update interval has been reached.

Returns:

true if status update interval has been reached.