Blog: all and sundry

206 blogs updated: 31 min. ago
Processing SQS Messages using Spring Boot and Project Reactor
I recently worked on a project where I had to efficiently process a large number of messages streaming in through an AWS SQS Queue. In this ...
22-03-2020 07:22:00 all and sundry Advanced
Project Reactor expand method
One of my colleagues at work recently introduced me to the expand operator of the Project Reactor types and in this post I want to cover a f...
25-02-2020 07:03:10 all and sundry Advanced
Spring WebClient and Java date-time fields
WebClient is Spring Framework's reactive client for making service to service calls. WebClient has become a go to utility for me, however I ...
20-01-2020 06:39:38 all and sundry Advanced
Project reactor - de-structuring a Tuple
Tuples are simple data structures that hold a fixed set of items, each of a different data type. Project Reactor provides a Tuple data struc...
26-12-2019 21:37:13 all and sundry Advanced
Hash a Json
I recently wrote a simple library to predictably hash a json. The utility is built on top of the excellent Jackson Json parsing library Prob...
12-11-2019 16:13:48 all and sundry Advanced
Unit test for Spring's WebClient
WebClient to quote its Java documentation is Spring Framework's Non-blocking, reactive client to perform HTTP requests, exposing a fluent, r...
16-09-2019 02:42:49 all and sundry Advanced
Chicken and egg - resolving Spring properties ahead of a test
Consider a service class responsible for making a remote call and retrieving a detail: ... public class CitiesService { private final WebCli...
06-08-2019 17:58:40 all and sundry Advanced
Callback hell and Reactive patterns
One of the ways that I have better understood the usefulness of a Reactive Streams based approach is how it simplifies a Non-blocking IO cal...
10-06-2019 01:30:28 all and sundry Advanced
Functional Hystrix using Spring Cloud HystrixCommands
Spring's WebClient provides a non-blocking client for making service to service calls. Hystrix, though now in a maintenance mode, has been u...
01-05-2019 05:10:27 all and sundry Advanced
Water Pouring Problem with Kotlin and Vavr
The first time I saw the Water Pouring Problem being programmatically solved was the excellent lectures on functional Programming by Martin ...
05-03-2019 06:52:52 all and sundry Advanced

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