Case Study: Aggregator Function and Processor

Engineering | Artem Bilan | October 26, 2020 | ...

This article is part of a blog series that explores the newly redesigned Spring Cloud Stream applications based on Java Functions. In this episode, we are investigating the Aggregator function and its relationship with the Splitter function. We will see how we can customize the default behavior. We will also take a look at the importance of configuring a shared message store for the aggregator.

Here are all the previous parts of this blog series.

This Week in Spring - October 20, 2020

Engineering | Josh Long | October 20, 2020 | ...

Hi Spring fans! Welcome to another installment of This Week in Spring! How're things? It's been unseasonably warm here in San Francisco so I am writing this from my balcony with a warm cup of coffee and hope in my heart. It is still very hard to believe we're near Halloween, though! Crazy how time flies. There's lots of good stuff to look at this week so let's get to it! Hopefully you can enjoy this week's news from some warm, safe and healthy spot in your life, too.

Premiering: Bootiful Kotlin

Engineering | Josh Long | October 15, 2020 | ...

Hi, Spring fans! In this talk Spring Developer Advocate, Java Champion, and Kotlin Google Developer Advocate Josh Long (@starbuxman) introduces the Kotlin ecosystem, the language, and its application when building server-side Spring applications.

This is a roving tour of all things Kotlin, and there's a lot to cover, including:

  • building Android applications with Kotlin on mobile devices
  • building native applications with Kotlin and Kotlin Native ((m)alloc, pointers, and POSIX APIs, oh, my!)
  • giving existing APIs like the venerable JdbcTemplate a fresh coat of paint with Kotlin
  • using Kotlin ecosystem libraries like the Exposed ORM with Spring
  • using rich DSLs such as those provided for Spring Framework's programmatic bean registration, HTTP endpoints, and for Spring Cloud Gateway
  • kicking up our reactive applications a notch with coroutines

A Bootiful Podcast: DataStax's Patrick McFadin on DataStax Astra, Cassandra, Cassandra data modeling patterns, and more

Engineering | Josh Long | October 15, 2020 | ...

Hi, Spring fans! In this episode Josh Long (@starbuxman) talks about all the wonderful shows he's been at, the epic new support for Kubernetes-ready native images in Spring Boot 2.3 and Spring Boot 2.4, and then he talks to DataStax's own Patrick McFadin (@PatrickMcFadin), a legend in the JVM and Cassandra communities, and an all around amiable gent.

This Week in Spring - October 13th, 2020

Engineering | Josh Long | October 13, 2020 | ...

This Week in Spring - October 6th, 2020

Engineering | Josh Long | October 07, 2020 | ...

Hi, Spring fans! Welcome to another installment of This Week in Spring! It's been a fun week thus far - I spoke Monday at the first ever Garden State JUG event on testing Spring-based application and services and then today I spoke at the NYJava SIG about RSocket. Thank you so much for having me!

I can't believe it's already October 6th! We're closer to 2021 than 2019. Crazy. A quarter of a year to go. I just write these roundups and things seem to fly as a result.

We've got a lot to get to, so let's dive right in

Spring Data Azure Cosmos DB V3 – Generally Available

Engineering | Andy Clement | October 05, 2020 | ...

The Spring on Azure team, in partnership with the Azure Cosmos DB team, are proud to have just made the Spring Data Azure Cosmos DB v3 generally available. This is the latest version of Azure Cosmos DB’s SQL API Spring Data connector.

Azure Cosmos is a highly-available globally-distributed multi-model database with competitive performance SLAs. With Spring Data Azure Cosmos DB, developers may use Spring Data natively on top of the Azure Cosmos DB SQL API to manipulate documents and issue custom or derived queries.

With the launch of the v3 connector, and its deep integration with Spring on…

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