Package org.zalando.fahrschein

Class ExponentialBackoffStrategy

java.lang.Object

org.zalando.fahrschein.ExponentialBackoffStrategy

All Implemented Interfaces:

BackoffStrategy

Direct Known Subclasses:

EqualJitterBackoffStrategy, FullJitterBackoffStrategy

public class ExponentialBackoffStrategy
extends java.lang.Object
implements BackoffStrategy

Field Summary

Fields

Modifier and Type	Field	Description
static double	DEFAULT_BACKOFF_FACTOR
static int	DEFAULT_INITIAL_DELAY
static long	DEFAULT_MAX_DELAY

Constructor Summary

Constructors

Modifier	Constructor	Description
	ExponentialBackoffStrategy()
	ExponentialBackoffStrategy(int initialDelay, double backoffFactor, long maxDelay, int maxRetries)
protected	ExponentialBackoffStrategy(ExponentialBackoffStrategy other)

Method Summary

Modifier and Type	Method	Description
protected long	calculateDelay(double count)
<T> T	call(int initialExceptionCount, java.io.IOException initialException, IOCallable<T> callable)
ExponentialBackoffStrategy	withMaxRetries(int maxRetries)

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_INITIAL_DELAY

public static final int DEFAULT_INITIAL_DELAY

See Also:

Constant Field Values

DEFAULT_BACKOFF_FACTOR

public static final double DEFAULT_BACKOFF_FACTOR

See Also:

Constant Field Values

DEFAULT_MAX_DELAY

public static final long DEFAULT_MAX_DELAY

See Also:

Constant Field Values

Constructor Detail

ExponentialBackoffStrategy

public ExponentialBackoffStrategy()

ExponentialBackoffStrategy

public ExponentialBackoffStrategy(int initialDelay,
                                  double backoffFactor,
                                  long maxDelay,
                                  int maxRetries)

ExponentialBackoffStrategy

protected ExponentialBackoffStrategy(ExponentialBackoffStrategy other)

Method Detail

withMaxRetries

public ExponentialBackoffStrategy withMaxRetries(int maxRetries)

calculateDelay

protected long calculateDelay(double count)

call

public <T> T call(int initialExceptionCount,
                  java.io.IOException initialException,
                  IOCallable<T> callable)
           throws BackoffException,
                  java.lang.InterruptedException

Specified by:

call in interface BackoffStrategy

Throws:

BackoffException

java.lang.InterruptedException