Package io.grpc.internal

Class ExponentialBackoffPolicy

java.lang.Object

io.grpc.internal.ExponentialBackoffPolicy

All Implemented Interfaces:

BackoffPolicy

public final class ExponentialBackoffPolicy
extends java.lang.Object
implements BackoffPolicy

Retry Policy for Transport reconnection. Initial parameters from https://github.com/grpc/grpc/blob/master/doc/connection-backoff.md

TODO(carl-mastrangelo): add unit tests for this class

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	ExponentialBackoffPolicy.Provider

Field Summary

Fields

Modifier and Type	Field	Description
private long	initialBackoffNanos
private double	jitter
private long	maxBackoffNanos
private double	multiplier
private long	nextBackoffNanos
private java.util.Random	random

Constructor Summary

Constructors

Constructor	Description
ExponentialBackoffPolicy()

Method Summary

Modifier and Type	Method	Description
long	nextBackoffNanos()	Returns the number of nanoseconds to wait.
(package private) ExponentialBackoffPolicy	setInitialBackoffNanos(long initialBackoffNanos)
(package private) ExponentialBackoffPolicy	setJitter(double jitter)
(package private) ExponentialBackoffPolicy	setMaxBackoffNanos(long maxBackoffNanos)
(package private) ExponentialBackoffPolicy	setMultiplier(double multiplier)
(package private) ExponentialBackoffPolicy	setRandom(java.util.Random random)
private long	uniformRandom(double low, double high)

Methods inherited from class java.lang.Object

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

Field Detail

random

private java.util.Random random

initialBackoffNanos

private long initialBackoffNanos

maxBackoffNanos

private long maxBackoffNanos

multiplier

private double multiplier

jitter

private double jitter

nextBackoffNanos

private long nextBackoffNanos

Constructor Detail

ExponentialBackoffPolicy

public ExponentialBackoffPolicy()

Method Detail

nextBackoffNanos

public long nextBackoffNanos()

Description copied from interface: BackoffPolicy

Returns the number of nanoseconds to wait.

Specified by:

nextBackoffNanos in interface BackoffPolicy

uniformRandom

private long uniformRandom(double low,
                           double high)

setRandom

ExponentialBackoffPolicy setRandom(java.util.Random random)

setInitialBackoffNanos

ExponentialBackoffPolicy setInitialBackoffNanos(long initialBackoffNanos)

setMaxBackoffNanos

ExponentialBackoffPolicy setMaxBackoffNanos(long maxBackoffNanos)

setMultiplier

ExponentialBackoffPolicy setMultiplier(double multiplier)

setJitter

ExponentialBackoffPolicy setJitter(double jitter)