org.apache.sling.distribution.journal.shared

Class ExponentialBackOff

java.lang.Object

org.apache.sling.distribution.journal.shared.ExponentialBackOff

All Implemented Interfaces:

Closeable, AutoCloseable

public class ExponentialBackOff
extends Object
implements Closeable

Retry with exponential backoff. Calls checkCallback until it does not throw an Exception. Retries are first done with startDelay, then doubled until maxDelay is reached.

Constructor Summary

Constructors

Constructor and Description
ExponentialBackOff(long startDelay, long maxDelay, boolean randomDelay, Runnable checkCallback)

Method Summary

Modifier and Type	Method and Description
void	close()
void	startChecks()

Methods inherited from class java.lang.Object

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

Constructor Detail

ExponentialBackOff

public ExponentialBackOff(long startDelay,
                          long maxDelay,
                          boolean randomDelay,
                          Runnable checkCallback)

Parameters:

startDelay - the start delay in milliseconds

maxDelay - the max delay in milliseconds

randomDelay - true to randomise the delay between 0 and the current max delay ; false to use the current max delay.

checkCallback - the code to invoke when the current delay has elapsed

Method Detail

close

public void close()

Specified by:

close in interface Closeable

Specified by:

close in interface AutoCloseable

startChecks

public void startChecks()