Home » Tag Archives: Spring Data

Tag Archives: Spring Data

Set up a SpringData project using Apache Cassandra

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On this post we will use Gradle and spring boot in order to create a project that integrates spring-mvc and the Apache Cassandra database. First we will begin with our Gradle configuration group 'com.gkatzioura' version '1.0-SNAPSHOT' apply plugin: 'java' apply plugin: 'eclipse' apply plugin: 'idea' apply plugin: 'spring-boot' buildscript { repositories { mavenCentral() } dependencies { classpath("org.springframework.boot:spring-boot-gradle-plugin:1.2.5.RELEASE") } } jar ...

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Spring Data JPA Tutorial: Getting the Required Dependencies

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Before we can create an application that uses Spring Data JPA, we need to get the required dependencies. This blog post identifies the required components and describes how we can get them by using Maven. Let’s get started. Additional Reading: If you are not familiar with Spring Data JPA, you should read the following blog post before you continue reading ...

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Spring Boot and Spring Data REST – exposing repositories over REST

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Exposing Spring Data repositories over REST is pretty easy with Spring Boot and Spring Data REST. With minimal code one can create REST representations of JPA entities that follow the HATEOAS principle. I decided to re-use Spring PetClinic’s JPA entities (business layer) as the foundation for this article.       Application foundation The PetClinic’s model is relatively simple, but ...

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SpringMVC4 + Spring Data JPA + SpringSecurity configuration using JavaConfig

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In this article we will see how to configure and integrate SpringMVC4, Spring Data JPA with Hibernate and SpringSecurity using JavaConfig. 1. First let’s configure all the necessary dependencies in pom.xml                 <project xmlns="http://maven.apache.org/POM/4.0.0" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/xsd/maven-4.0.0.xsd"> <modelVersion>4.0.0</modelVersion> <groupId>com.sivalabs</groupId> <artifactId>spring-javaconfig</artifactId> <version>1.0</version> <packaging>war</packaging> <name>SpringApp JavaConfig Demo</name> <properties> <java.version>1.7</java.version> <junit.version>4.11</junit.version> <slf4j.version>1.7.5</slf4j.version> <logback.version>1.0.13</logback.version> <spring.version>4.0.0.RELEASE</spring.version> <spring-data-jpa.version>1.4.1.RELEASE</spring-data-jpa.version> <spring-security.version>3.2.0.RELEASE</spring-security.version> ...

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Spring Data Couchbase 1.0 GA Released

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Spring Data Couchbase 1.0 GA release is here! The project is a part of the Spring Data project which aims to provide a familiar and consistent Spring-based programming model for new datastores while retaining store-specific features and capabilities. The Spring Data Couchbase project provides integration with the Couchbase Server database. There have been changes and improvements that led to the ...

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Project Student: Persistence With Spring Data

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This is part of Project Student. Other posts are Webservice Client With Jersey, Webservice Server with Jersey and Business Layer. The final layer of the RESTful webapp onion is the persistence layer. There are two philosophies for persistence layers. One camp sees the database as a simple store and wants to keep this layer extremely thin. The other camp knows ...

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What is Spring Data?

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(This is related to Project Student and I will revisit this topic later.) Spring Data came up in passing in several recent interviews. What is Spring Data? To answer that let’s consider the standard approach to persistence – all access is made via Data Access Objects (DAOs). This completely isolates the rest of the system from the specific details of ...

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Spring Data MongoDB cascade save on DBRef objects

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Spring Data MongoDB by default does not support cascade operations on referenced objects with @DBRef annotations as reference says: The mapping framework does not handle cascading saves. If you change an Account object that is referenced by a Person object, you must save the Account object separately. Calling save on the Person object will not automatically save the Account objects ...

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