com.spotify.helios.agent

Class BoundedRandomExponentialBackoff

java.lang.Object

com.spotify.helios.agent.BoundedRandomExponentialBackoff

All Implemented Interfaces:

RetryIntervalPolicy

public class BoundedRandomExponentialBackoff
extends Object
implements RetryIntervalPolicy

A retry policy that provides exponential backoff with randomization.

interval' = interval * (2.0 + rnd(-1.0, 1.0) * randomFactor)

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	BoundedRandomExponentialBackoff.Builder

Field Summary

Fields

Modifier and Type	Field and Description
static long	DEFAULT_MAX_INTERVAL_MILLIS
static long	DEFAULT_MIN_INTERVAL_MILLIS
static float	DEFAULT_RANDOMIZATION_FACTOR

Constructor Summary

Constructors

Constructor and Description
BoundedRandomExponentialBackoff(long minIntervalMillis, long maxIntervalMillis, float randomizationFactor) Create a BoundedRandomExponentialBackoff with custom values.

Method Summary

Modifier and Type	Method and Description
static BoundedRandomExponentialBackoff.Builder	newBuilder()
RetryScheduler	newScheduler()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_MIN_INTERVAL_MILLIS

public static final long DEFAULT_MIN_INTERVAL_MILLIS

DEFAULT_MAX_INTERVAL_MILLIS

public static final long DEFAULT_MAX_INTERVAL_MILLIS

DEFAULT_RANDOMIZATION_FACTOR

public static final float DEFAULT_RANDOMIZATION_FACTOR

See Also:

Constant Field Values

Constructor Detail

BoundedRandomExponentialBackoff

public BoundedRandomExponentialBackoff(long minIntervalMillis,
                                       long maxIntervalMillis,
                                       float randomizationFactor)

Create a BoundedRandomExponentialBackoff with custom values.

Parameters:

minIntervalMillis - The minimum and initial retry interval.

maxIntervalMillis - The maximum retry interval.

randomizationFactor - The randomization factor.

Method Detail

newBuilder

public static BoundedRandomExponentialBackoff.Builder newBuilder()

newScheduler

public RetryScheduler newScheduler()

Specified by:

newScheduler in interface RetryIntervalPolicy