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A Guide to Spring Data Key Value 1. Introduction The Spring Data Key Value framework makes it easy to write Spring applications that use key-value stores. It minimizes redundant tasks and boilerplate code required for interacting with the store. The framework works well for key-value stores like Redis and Riak.… Continue Reading spring-data-key-value
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Introduction to Spring Data Cassandra 1. Overview This article is a practical introduction to working with Cassandra with Spring Data. We’ll start the from the basics and go through the configurations and coding, finally building up a complete Spring Data Cassandra module. 2. Maven Dependencies Let’s start by defining the… Continue Reading spring-data-cassandra-tutorial
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Using the CassandraTemplate from Spring Data 1. Overview This is the second article of the Spring Data Cassandra article series. In this article we will mainly focus on CassandraTemplate and CQL queries in the data access layer. You can read more about Spring Data Cassandra in the first article in… Continue Reading spring-data-cassandratemplate-cqltemplate
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Introduction to Spring Data Solr 1. Overview In this article, we’ll explore the basics of Spring Data Solr in a practical manner. Apache Solr is an open source ready to deploy enterprise full-text search engine. You can find more about the features of Solr on the official website. We’ll show… Continue Reading spring-data-solr
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Spring Data JPA @Modifying Annotation 1. Introduction In this short tutorial, we’ll learn how to create update queries with the Spring Data JPA @Query annotation. We’ll achieve this by using the @Modifying annotation. First, we’ll refresh our memory and see how to make queries using Spring Data JPA. After that,… Continue Reading spring-data-jpa-modifying-annotation
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DDD Aggregates and @DomainEvents 1. Overview In this tutorial, we’ll explain how to use @DomainEvents annotation and AbstractAggregateRoot class to conveniently publish and handle domain events produced by aggregate – one of the key tactical design patterns in Domain-driven design. Aggregates accept business commands, which usually results in producing an… Continue Reading spring-data-ddd
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Pagination and Sorting using Spring Data JPA 1. Overview Pagination is often helpful when we have a large dataset and we want to present it to the user in smaller chunks. Also, we often need to sort that data by some criteria while paging. In this tutorial, we’ll learn how… Continue Reading spring-data-jpa-pagination-sorting
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Case Insensitive Queries with Spring Data Repository 1. Overview Spring Data JPA queries, by default, are case-sensitive. In other words, the field value comparisons are case-sensitive. In this tutorial, we’ll explore how to quickly create a case insensitive query in a Spring Data JPA repository. 2. Dependencies Firstly, let’s make… Continue Reading spring-data-case-insensitive-queries
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A Quick Look at R2DBC with Spring Data 1. Introduction R2DBC (Reactive Relational Database Connectivity) is an effort presented by Pivotal during Spring One Platform 2018. It intends to create a reactive API to SQL databases. In other words, this effort creates a database connection using fully non-blocking drivers. In… Continue Reading spring-data-r2dbc
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Limiting Query Results with JPA and Spring Data JPA 1. Introduction In this tutorial, we’re going to learn about limiting query results with JPA and Spring Data JPA. First, we’ll take a look at the table we want to query as well as the SQL query we want to reproduce.… Continue Reading jpa-limit-query-results
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