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Configuring Separate Spring DataSource for Tests 1. Overview When testing a Spring application that relies on a persistence layer, such as JPA, we may want to set up a test data source to use a smaller, faster database – one that is different from the one we use to run… Continue Reading spring-testing-separate-data-source
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Spring Data with Spring Security 1. Overview Spring Security provides a good support for integration with Spring Data. While the former handles security aspects of our application, the latter provides convenient access to the database containing the application’s data. In this article, we’ll discuss how Spring Security can be integrated… Continue Reading spring-data-security
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A Guide to GemFire with Spring Data 1. Overview GemFire is a high performance distributed data management infrastructure that sits between application cluster and back-end data sources. With GemFire, data can be managed in-memory, which makes the access faster. Spring Data provides an easy configuration and access to GemFire from… Continue Reading spring-data-gemfire
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Disable Spring Data Auto Configuration 1. Introduction In this quick tutorial, we’ll explore two different ways to disable database auto-configuration in Spring Boot, which can come in handy, say, when testing. We’ll see examples for Redis, MongoDB, and Spring Data JPA. Firstly, we’ll start by looking at the annotation-based approach… Continue Reading spring-data-disable-auto-config
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Sorting Query Results with Spring Data 1. Introduction In this tutorial, we’re going to learn how to sort query results with Spring Data. First, we’ll take a look at the schema of the data that want to query and sort. And then, we’ll dive right into how to achieve that… Continue Reading spring-data-sorting
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Spring Data with Reactive Cassandra 1. Introduction In this tutorial, we’ll learn how to use reactive data access features of Spring Data Cassandra. Particularly, this is the third article of the Spring Data Cassandra article series. In this one, we’ll expose a Cassandra database using a REST API. We can read… Continue Reading spring-data-cassandra-reactive
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Guide to Spring Data LDAP 1. Introduction In this article, we’ll focus on Spring Data LDAP integration and configuration. For a step by step introduction to Spring LDAP, have a quick look at this article. Also, you can find the overview of Spring Data JPA guide here. 2. Maven Dependency… Continue Reading spring-data-ldap
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Difference Between save() and saveAndFlush() in Spring Data JPA 1. Overview In this short tutorial, we’re going to discuss the difference between the save() and saveAndFlush() methods in Spring Data JPA. Even though both of these methods are used for saving entities to the database, there are some fundamental differences.… Continue Reading spring-data-jpa-save-saveandflush
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Customizing HTTP Endpoints in Spring Data REST 1. Introduction Spring Data REST can remove a lot of boilerplate that’s natural to REST services. In this tutorial, we’ll explore how to customize some of Spring Data REST’s HTTP binding defaults. 2. Spring Data REST Repository Fundamentals To get started, let’s create an… Continue Reading spring-data-rest-customize-http-endpoints
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Persisting DDD Aggregates 1. Overview In this tutorial, we’ll explore the possibilities of persisting DDD Aggregates using different technologies. 2. Introduction to Aggregates An aggregate is a group of business objects which always need to be consistent. Therefore, we save and update aggregates as a whole inside a transaction. Aggregate… Continue Reading spring-persisting-ddd-aggregates
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