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 Object
implements BackoffStrategy

Field Summary

Fields

Modifier and Type	Field	Description
static final double	DEFAULT_BACKOFF_FACTOR
static final int	DEFAULT_INITIAL_DELAY
static final 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, IOException initialException, IOCallable<T> callable)
<T> T	call(int initialExceptionCount, EventPersistenceException initialException, ExceptionAwareCallable<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 Details

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 Details

ExponentialBackoffStrategy

public ExponentialBackoffStrategy()

ExponentialBackoffStrategy

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

ExponentialBackoffStrategy

protected ExponentialBackoffStrategy(ExponentialBackoffStrategy other)

Method Details

withMaxRetries

public ExponentialBackoffStrategy withMaxRetries(int maxRetries)

calculateDelay

protected long calculateDelay(double count)

call

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

Specified by:

call in interface BackoffStrategy

Throws:

BackoffException

InterruptedException

call

public <T> T call(int initialExceptionCount,
 EventPersistenceException initialException,
 ExceptionAwareCallable<T> callable)
           throws BackoffException,
InterruptedException

Specified by:

call in interface BackoffStrategy

Throws:

BackoffException

InterruptedException