java-weekly-256

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5 years ago

Java Weekly, Issue 256

Here we go…

1. Spring and Java

===== >> How to parse a String into an EntityGraph with Hibernate 5.4 [thoughts-on-java.org]

An overview of this handy new feature and you can now merge multiple entity graphs into one. Very cool.

>> Definitive Guide To Switch Expressions In Java 12 [blog.codefx.org]

A detailed look at this language preview feature that addresses many shortcomings of the traditional switch statement.

>> Spring Boot Admin Tutorial [vojtechruzicka.com]

If you need a UI to monitor and manage a Spring Boot app and don’t want to build and maintain it yourself, check out this tool that builds a UI on top of the Actuator endpoints.

>> The best way to use the JPQL DISTINCT keyword with JPA and Hibernate [vladmihalcea.com]

A great piece explaining the two meanings of the DISTINCT keyword and how to apply it correctly based on the underlying query type.

>> How to use JUnit 5 @MethodSource-parameterized tests with Kotlin [blog.oio.de]

And a simple workaround for using test argument factories with JUnit 5 and Kotlin.

Also worth reading:

===== >> JDK 12’s Files.mismatch Method [marxsoftware.blogspot.com]
===== >> Ultimate Guide to Implementing equals() and hashCode() with Hibernate [thoughts-on-java.org]
===== >> TomEE: Configuration Techniques [tomitribe.com]
===== >> Spark Application Performance Monitoring Using Uber JVM Profiler, InfluxDB and Grafana [infoq.com]
===== >> The Gradle POM [andresalmiray.com]

Webinars and presentations:

===== >> Spring Boot 2.0 Web Applications [infoq.com]
===== >> Ask the Java Architects by Mark Reinhold, Brian Goetz and team [youtube.com]
===== >> Functional Programming Patterns with Java8 by Victor Rentea [youtube.com]
===== >> Java Futures, Devoxx 2018 Edition by Brian Goetz [youtube.com]
===== >> Testing the Endpoints of Your REST APIs [infoq.com]
===== >> Blind Spots: Cognitive Biases and Systems [infoq.com]
===== >> DevOps at Scale – Success Stories [infoq.com]
===== >> FP vs OOP: Choose Two by Brian Goetz [youtube.com]

Time to upgrade:

===== >> Amazon Release Corretto: A Multiplatform Java OpenJDK Build with No-Cost Support [infoq.com]
===== >> Spring Session 1.3.4 Released [spring.io]
===== >> Spring Vault 2.1.1, 2.0.3, and 1.1.3 released [spring.io]
===== >> Spring Cloud Stream Fishtown.RC2 /2.1.0.RC2 Release Announcement [spring.io]
===== >> Announcing Spring Cloud Function – 2.0.0.RC2 [spring.io]
===== >> Hibernate ORM 5.4.0.CR1 released [in.relation.to]
===== >> IBM Releases Open Liberty 18.0.0.3 with Support for MicroProfile 2.0 [infoq.com]

2. Technical and Musings

===== >> Getting Started With Istio Service Mesh Routing [infoq.com]

A thorough review of Istio’s routing capabilities and how to leverage them in a Kubernetes cluster.

>> How to Aggregate an Archive Log’s Deltas into a Snapshot with SQL [blog.jooq.org]

A nice write-up demonstrating a clever application of the Entity Attribute Value model that you can use to build easily-audited database entities.

Also worth reading: