Introduction

So far in this series we have introduced the new stream applications based on Java functions, and function composition. We have also provided detailed examples of how to build a source from a supplier and a sink from a consumer. Here we continue the journey with the first of several case studies to follow. Each case study demonstrates how to use one or more of the available pre-packaged Spring Boot stream applications, in various scenarios, to build data streaming pipelines.

Today we will showcase two of the most commonly used applications, the HTTP source and the JDBC sink. We will use them to build a simple service that accepts HTTP POST requests and saves the contents to a database table. We will first run these as standalone Spring Cloud Stream applications, and then show how to orchestrate the same pipeline with Spring Cloud Data Flow…

Hi, Spring fans! In this installment Josh Long (@starbuxman) talks about ten years on the Spring team, reactive support, and RSocket support in Spring Integration, his upcoming appearances at SpringOne and his upcoming YOW! workshop on Cloud Native Java, and then talks to JFrog's Baruch Sadogursky (@jbaruch) about continuous delivery, DevOps, Java artifact management Artifactory, and more.

Hi, Spring fans! Welcome to another installment of This Week in Spring!

How're you all doing? Me? I'm doing swell! I was so happy to celebrate my tenth anniversary on the Spring team on the 2nd of August, 2020. It has been an amazing run so far and I am so excited about the continued adventure! A huge part of the reason I love this job is because of you, dear community. Thank you. You can learn more about the story so far in this blog.

• A Bootiful Podcast: Josh Lock on supply chain security, Docker trust, TUF, and more
• Confluent put on yet another great stream on Spring Boot and Apache Kafka
• I am doing a two-day, online, Cloud Native Java workshop for the legendary YOW! conference. Please register now!
• Check out Michael Hunger's Twitch stream tomorrow wherein he'll explore the brand-new Spring Data Neo4J 6 (including the reactive support) on Wednesday, 11am CEST, 7pm AEST, 2:30 IST, 9am GMT.
• Check out This Month in RabbitMQ, June 2020 Recap
• …

This is part 4 of the blog series in which we are introducing java functions for Spring Cloud Stream applications.

Other parts in the series.

Part 1 - General Introduction

Part 2 - Function Composition

Part 3 - Supplier function and Source application

In the last blog in this series, we saw how we can use a java.util.function.Supplier to generate a Spring Cloud Stream source. In this new edition, we will see how a consuming function can be developed and tested using java.util.function.Consumer and java.util.function.Function. Later on, we will briefly explain the generation of a Spring Cloud…

Hi Spring fans! In this installment Josh Long (@starbuxman) talks about yaks, the implicit tension in systems design, and then talks with Josh Lock (@hi_joshuagl) (Levenshtein distance: 2!) about supply chain security, Docker trust, TUF, and more.

Hi, Spring fans! Welcome to another jam-packed installment of This Week in Spring. I'm technically on vacation so I'll keep this pre-amble briefer than usual and get right into it.

• I am doing a two day long workshop for the YOW! conference on Cloud Native Java on 14 & 18 August. Register now!.
• A Bootiful Podcast: Spring Data lead Mark Paluch on all things reactive and data: R2DBC, transactions, etc.
• Announcing Spring Cloud Data Flow for Kubernetes
• Another great article on Inside Java - this one on the state of foreign memory support in Java.
• Bootiful Podcast: Tim Pepper, Kubernetes Release SIG Chair
• Building a Chat application with Angular and Spring Reactive WebSocket: Part 2 | by Hantsy | Jul, 2020 | Medium
• Check out this…

This is part 3 of the blog series in which we are introducing java functions for Spring Cloud Stream applications.

Other parts in the series.

Part 1 - General Introduction

Part 2 - Function Composition

In the last two blogs in this series, we provided a general introduction to this new initiative of migrating all the existing Spring Cloud Stream App Starters to functions and the various ways in which we can compose them. In this blog, we continue the series, showing how these functions are developed, tested, and used to generate Spring Cloud Stream applications. In particular, here we are focusing on how to write a supplier function (implementing java.util.function.Supplier…

Hi, Spring fans! In this installment Josh Long (@starbuxman) talks to Spring Data lead Mark Paluch (@mp911de) about all things reactive and data: R2DBC, transactions, etc.

Hi, Spring fans! Welcome to yet another installment of This Week in Spring! How're you doing? Good, I hope!

I've just finished recording two epic episodes of a Bootiful Podcast that'll be streaming to ears near you in the not-too-distant future. I can not wait.

I'm also super excited: tomorrow I'll be hosting the Reactive Spring and Spring Tips-themed edition of SpringOne Tour. Do not miss this!

Also, the Spring team wants to hear from you! Please fill this survey out.

We've got a ton of stuff to get into this week, so let's begin.

• A Bootiful Podcast: Intuit's Katie Levy on Spring Boot, Kotlin, Android and more
• Announcing Spring Cloud Data Flow for Kubernetes.
• At @VMware, @sinasojoodi & @RKela are helping retailers migrate to event streaming and event-driven microservices. Hear all about it on today's episode of #StreamingAudio, hosted by @tlberglund, where they cover @springcentral and much more!
• Building a Chat application with Angular and Spring Reactive WebSocket: Part 2 | by Hantsy | Jul, 2020 | Medium
• Check out this guide to learn how to schedule Tasks with Spring
• …