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What’s New in Spring 4.3? 1. Overview The Spring 4.3 release brought some nice refinements into core container, caching, JMS, Web MVC and testing submodules of the framework. In this post, we will discuss few of these improvements including: Implicit Constructor Injection Java 8 Default Interface Methods Support Improved Resolution… Continue Reading whats-new-in-spring-4-3
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Apply CQRS to a Spring REST API 1. Overview In this quick article, we’re going to do something new. We’re going to evolve an existing REST Spring API and make it use Command Query Responsibility Segregation – CQRS. The goal is to clearly separate both the service and the controller… Continue Reading cqrs-for-a-spring-rest-api
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Serenity BDD with Spring and JBehave 1. Introduction Previously, we have introduced the Serenity BDD framework. In this article, we’ll introduce how to integrate Serenity BDD with Spring. 2. Maven Dependency To enable Serenity in our Spring project, we need to add serenity-core and serenity-spring to the pom.xml: <dependency> <groupId>net.serenity-bdd</groupId>… Continue Reading serenity-spring-jbehave
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MyBatis with Spring 1. Introduction MyBatis is one of the most commonly used open-source frameworks for implementing SQL databases access in Java applications. In this quick tutorial, we’ll present how to integrate MyBatis with Spring and Spring Boot. For those not yet familiar with this framework, be sure to check out… Continue Reading spring-mybatis
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Spring Assert Statements 1. Overview In this tutorial, we’ll focus on and describe the purpose of the Spring Assert class and demonstrate how to use it. 2. Purpose of the Assert Class The Spring Assert class helps us validate arguments. By using methods of the Assert class, we can write assumptions which… Continue Reading spring-assert
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A Guide to Flips for Spring 1. Overview In this tutorial, we’ll have a look at Flips, a library that implements feature flags in the form of powerful annotations for Spring Core, Spring MVC, and Spring Boot applications. Feature flags (or toggles) are a pattern for delivering new features quickly… Continue Reading flips-spring
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Spring PostConstruct and PreDestroy Annotations Spring 1. Introduction Spring allows us to attach custom actions to bean creation and destruction. We can, for example, do it by implementing the InitializingBean and DisposableBean interfaces. In this short tutorial, we’ll look at a second possibility: the @PostConstruct and @PreDestroy annotations. 2. @PostConstruct Spring calls methods… Continue Reading spring-postconstruct-predestroy
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Spring Performance Logging 1. Overview In this tutorial, we’ll look into a couple of basic options the Spring Framework offers for performance monitoring. 2. PerformanceMonitorInterceptor A simple solution to get basic monitoring functionality for the execution time of our methods, we can make use of the PerformanceMonitorInterceptor class out of… Continue Reading spring-performance-logging
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A Guide to the Spring State Machine Project 1. Introduction This article is focused on Spring’s State Machine project – which can be used to represent workflows or any other kind of finite state automata representation problems. 2. Maven Dependency To get started, we need to add the main Maven… Continue Reading spring-state-machine
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Guide to ShedLock with Spring 1. Overview Spring provides an easy to implement API for scheduling jobs. It works great until we deploy multiple instances of our application. Spring by default cannot handle scheduler synchronization over multiple instances and executes the jobs simultaneously on every node instead. In this short tutorial,… Continue Reading shedlock-spring
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