Java Functional Retry with resilience4j-retry

We will go through specific module(Resilience4j-Retry) from Resilience4j which is a fault tolerance library designed for Java8 and functional programming and it is lightweight library with minimal dependencies (mainly vavr) 

When you retry , there are many cases for example :

  • cross micro services communication for remote systems calls which most likely will need¬† circuit breaker logic added as well
  • if you have business or functional logic that need to get a consistent end state and most likely it is asynchronous Flow

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Implement Retry in Unit test

If you are doing an integration test or sanity testing for real application endpoints in continuous delivery process where you hot deploy the application and and you want to trigger some checkups and sanity testing part of your delivery pipeline , how you can add retry logic with delay to unit testing and to your integration test ?

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