Package ubic.gemma.core.util

Class SimpleRetry<E extends Exception>

java.lang.Object

ubic.gemma.core.util.SimpleRetry<E>

public class SimpleRetry<E extends Exception>
extends Object

A simple retry implementation with exponential backoff.

This is mainly meant for simple use cases, use RetryTemplate otherwise.

Author:

poirigui

Constructor Summary

Constructors

Constructor	Description
SimpleRetry(int maxRetries, int retryDelayMillis, double exponentialBackoffFactor, Class<E> exceptionClass, String logCategory)	Create a new simply retry strategy.

Method Summary

Modifier and Type	Method	Description
<T> T	execute(SimpleRetryCallable<T,E> callable, Object what)	Execute the given callable with a retry strategy.

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleRetry

public SimpleRetry(int maxRetries,
                   int retryDelayMillis,
                   double exponentialBackoffFactor,
                   Class<E> exceptionClass,
                   String logCategory)

Create a new simply retry strategy.

Parameters:

maxRetries - maximum number of retries

retryDelayMillis - delay to wait after a failed attempt

exponentialBackoffFactor - factor by which the retry delay is increased after each failed attempt

exceptionClass - the type of exception on which retry happens

logCategory - log category to use for retry-related messages

Method Detail

execute

public <T> T execute(SimpleRetryCallable<T,E> callable,
                     Object what)
              throws E extends Exception

Execute the given callable with a retry strategy.

Parameters:

what - an object describing what is being retried, it's toString() will be used for logging

Throws:

E extends Exception