io.prestosql.server.remotetask

Class Backoff

java.lang.Object

io.prestosql.server.remotetask.Backoff

@ThreadSafe
public class Backoff
extends Object

Constructor Summary

Constructors

Constructor and Description
Backoff(io.airlift.units.Duration maxFailureInterval)
Backoff(io.airlift.units.Duration maxFailureInterval, com.google.common.base.Ticker ticker)
Backoff(int minTries, io.airlift.units.Duration maxFailureInterval, com.google.common.base.Ticker ticker, List<io.airlift.units.Duration> backoffDelayIntervals)

Method Summary

Modifier and Type	Method and Description
boolean	failure()
long	getBackoffDelayNanos()
long	getFailureCount()
io.airlift.units.Duration	getFailureDuration()
io.airlift.units.Duration	getFailureRequestTimeTotal()
void	startRequest()
void	success()

Methods inherited from class java.lang.Object

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

Constructor Detail

Backoff

public Backoff(io.airlift.units.Duration maxFailureInterval)

Backoff

public Backoff(io.airlift.units.Duration maxFailureInterval,
               com.google.common.base.Ticker ticker)

Backoff

public Backoff(int minTries,
               io.airlift.units.Duration maxFailureInterval,
               com.google.common.base.Ticker ticker,
               List<io.airlift.units.Duration> backoffDelayIntervals)

Method Detail

getFailureCount

public long getFailureCount()

getFailureDuration

public io.airlift.units.Duration getFailureDuration()

getFailureRequestTimeTotal

public io.airlift.units.Duration getFailureRequestTimeTotal()

startRequest

public void startRequest()

success

public void success()

failure

public boolean failure()

Returns:

true if the failure is considered permanent

getBackoffDelayNanos

public long getBackoffDelayNanos()