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Simplifies the development of creating a JPA-based data access layer.
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Spring Data JPA.sonargraph

Spring Data JPA

The primary goal of the Spring Data project is to make it easier to build Spring-powered applications that use data access technologies. This module deals with enhanced support for JPA based data access layers.


  • Implementation of CRUD methods for JPA Entities
  • Dynamic query generation from query method names
  • Transparent triggering of JPA NamedQueries by query methods
  • Implementation domain base classes providing basic properties
  • Support for transparent auditing (created, last changed)
  • Possibility to integrate custom repository code
  • Easy Spring integration with custom namespace

Getting Help

This README as well as the reference documentation are the best places to start learning about Spring Data JPA. There are also two sample applications available to look at.

The main project website contains links to basic project information such as source code, JavaDocs, Issue tracking, etc.

For more detailed questions, use the forum. If you are new to Spring as well as to Spring Data, look for information about Spring projects.

Quick Start

Download the jar though Maven:


  <name>Springframework Maven SNAPSHOT Repository</name>

Also include your JPA persistence provider of choice (Hibernate, EclipseLink, OpenJpa). Setup basic Spring JPA configuration as well as Spring Data JPA repository support.

<?xml version="1.0" encoding="UTF-8"?>
<beans xmlns=""

  <bean id="entityManagerFactory" class="org.springframework.orm.jpa.LocalContainerEntityManagerFactoryBean">
    <property name="dataSource" ref="dataSource" />
    <property name="jpaVendorAdapter">
      <bean class="org.springframework.orm.jpa.vendor.HibernateJpaVendorAdapter" />

  <bean id="transactionManager" class="org.springframework.orm.jpa.JpaTransactionManager">
    <property name="entityManagerFactory" ref="entityManagerFactory" />

  <jdbc:embedded-database id="dataSource" type="HSQL" />

  <jpa:repositories base-package="com.acme.repositories" />

Create an entity:

public class User {

  @GeneratedValue(strategy = GenerationType.AUTO)
  private Integer id;
  private String firstname;
  private String lastname;

  // Getters and setters

Create a repository interface in com.acme.repositories:

public interface UserRepository extends CrudRepository<User, Long> {
  List<User> findByLastname(String lastname);

Write a test client

public class UserRepositoryIntegrationTest {

  @Autowired UserRepository repository;

  public void sampleTestCase() {
    User dave = new User("Dave", "Matthews");;

    User carter = new User("Carter", "Beauford");;

    List<User> result = repository.findByLastname("Matthews");
    assertThat(result.size(), is(1));
    assertThat(result, hasItem(dave));

Contributing to Spring Data

Here are some ways for you to get involved in the community:

  • Get involved with the Spring community on the Spring Community Forums. Please help out on the forum by responding to questions and joining the debate.
  • Create JIRA tickets for bugs and new features and comment and vote on the ones that you are interested in.
  • Github is for social coding: if you want to write code, we encourage contributions through pull requests from forks of this repository. If you want to contribute code this way, please reference a JIRA ticket as well covering the specific issue you are addressing.
  • Watch for upcoming articles on Spring by subscribing to

Before we accept a non-trivial patch or pull request we will need you to sign the contributor's agreement. Signing the contributor's agreement does not grant anyone commit rights to the main repository, but it does mean that we can accept your contributions, and you will get an author credit if we do. Active contributors might be asked to join the core team, and given the ability to merge pull requests.

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