Java Weekly, Issue 237

Here we go…

1. Spring and Java

>> A beginner’s guide to the Hibernate JPQL and Native Query Plan Cache [vladmihalcea.com]

A solid introduction to the performance gains to be had through proper caching of pre-compiled JPA and native queries. Good stuff!

>> The best way to use SQL functions in JPQL or Criteria API queries with JPA and Hibernate [vladmihalcea.com]

A practical tutorial that shows how to register and use any SQL function with JPA and Hibernate.

>> Enhance your Java Spring application with R data science [medium.com]

A fascinating piece on achieving interoperability between Java and the R library in Spring Boot running on the polyglot GraalVM. Very cool.

>> Reactive Spring Security Authentication [medium.com]

An overview of the authentication mechanisms available in Spring Security Webflux.

Also worth reading:

• >> Upgrading to Eclipse Photon [blog.joda.org]

• >> Applying New JDK 11 String Methods [marxsoftware.blogspot.com]

• >> Deferred Execution with Java's Predicate [marxsoftware.blogspot.com]

• >> Use @PropertySource with YAML files [github.io]

• >> Accessing custom attributes in Swagger Codegen [blog.arnoldgalovics.com]

• >> Your Own Spring Test Context [ebayinc.com]

• >> The specifics of PaaS deployment for JHipster [clever-cloud.com]

Webinars and presentations:

• >> Spring Boot 2 in JHipster by Sendil Kumar @ Spring I/O 2018 [youtube.com]

• >> Bootiful Kotlin by Sébastien Deleuze and Josh Long @ Spring I/O 2018 [youtube.com]

• >> Applying Bulkheads And Backpressure to Java EE (Video) [blog.sebastian-daschner.com]

• >> MicroProfile Fault Tolerance With Java EE (Video) [blog.sebastian-daschner.com]

Time to upgrade:

• >> Hibernate ORM 5.1.15.Final released [in.relation.to] and >> Hibernate ORM 5.3.2.Final released [in.relation.to]

• >> Spring Tool Suite 3.9.5 released [spring.io]

• >> Hibernate OGM 5.4.0.Beta2 release [in.relation.to]

• >> Spring Cloud Data Flow 1.5.2 released [spring.io]

• >> Zipkin 2.10 completes our v2 migration [github.com]

• >> Apache Camel 2.22 Released with Spring Boot 2 support [davsclaus.com]

2. Technical and Musings

>> Chaos Engineering – withstanding turbulent conditions in production [blog.codecentric.de]

An interesting methodology for finding and fixing potential defects in a distributed system. A must-read if you're thinking of deploying microservices.

>> Comparing Apache Spark, Storm, Flink and Samza stream processing engines – Part 1 [blog.scottlogic.com]

A good general overview of stream processing engines, along with a simple use case implemented in three of the most popular engines from Apache.

>> Functional Reactive Programming – Streams on steroids [medium.com]

Speaking of streams, here's a good write-up about a not-so-new programming paradigm that is quickly gaining momentum.

>> Auto Scaling Production Services on Titus [medium.com]

And, finally, a quick look at how Netflix's need for automatic scaling policy support and a collaboration with AWS led to the new Custom Resource Scaling offering.

Also worth reading:

• >> On containers and frameworks [blog.frankel.ch]

• >> PostgreSQL 11’s Support for SQL Standard GROUPS and EXCLUDE Window Function Clauses [blog.jooq.org]

• >> Who Tests the Contract Tests? [blog.thecodewhisperer.com]

• >> Building a Fuzzy Emoji Finder [mdswanson.com]

• >> How Pivotal Cloud Foundry 2.2 Helps You Improve the Metrics that Matter [content.pivotal.io]

3. Comics

And my favorite Dilberts of the week:

>> Dilbert, the Ultimate Editor [dilbert.com]

>> Honesty is the Best Policy [dilbert.com]

>> Hope is Not a Strategy [dilbert.com]

4. Pick of the Week

>> The open-plan office is a terrible, horrible, no good, very bad idea [m.signalvnoise.com]

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