Spring Data Neo4j enables POJO based development for the Graph Database
Neo4j. It maps annotated entity classes to the Neo4j Graph Database with advanced mapping functionality.
The template programming model is equivalent to well known Spring templates and builds the basis for interaction
with the graph and is also used for the advanced repository support.
Spring Data Neo4j is part of the Spring Data project
which aims to provide convenient support for NoSQL databases.
http://www.springsource.com/download/community?project=Spring%20Data%20Neo4j
"I’m excited about Spring Data Neo4j ... Spring Data Neo4j makes working with Neo4j amazingly easy, and
therefore has the potential to make you more successful as a developer. ... I encourage you to explore Spring Data,
and — better still — become involved in the community and contribute."
Rod Johnson, Founder, Spring and SVP, Application Platform, VMware
Spring Data Neo4j is released under the Apache Software License. Its source code is hosted on
github.
Several examples can also be found there.
A set of developer notes as quick-lookup reference card provides essential information.
Issue tracker and
discussion forums are provided at
springsource.org. You can follow
@SpringData and
@Neo4j on twitter and also subscribe to the
Neo4j discussion group for more information.
Latest News
Webinars
Here is an overview of Spring Data Neo4j features
- Support for property graphs (nodes connected via relationships, each with arbitrary properties)
- Object-Graph-Mapping of annotated POJO entities
- additional advanced mapping mode via AspectJ
- Neo4jTemplate with convenient API, exception translation and optional transaction management
- extensive Spring Data Commons Repositories Support, including annotated, derived and geospatial finder methods
- Dynamic type projections (duck typing)
- Supports the Cypher and Gremlin query languages
- Different type representation strategies for keeping type information in the graph
- Cross-store support for partial JPA - Graph Entities
- Neo4j Traversal support on dynamic fields and via repository methods
- Neo4j Indexing support (including unique entities, full-text, spatial and numeric range queries)
- Support for transparently accessing the Neo4j Server via its REST API
- Support for running as extensions in the Neo4j Server
Getting Started
For a quick introduction please have a look at the five
minute introduction and check out the examples.
For a more comprehensive tutorial enjoy our Spring Data Neo4j Guide Book
"Good Relationships" and glance at our
Developer Notes.
Here is just a quick teaser.
Example
@NodeEntity
public class Movie {
@GraphId Long id;
@Indexed(type = FULLTEXT, indexName = "search")
String title;
Person director;
@RelatedTo(type="ACTS_IN", direction = INCOMING)
Set<Person> actors;
@RelatedToVia(type = "RATED")
Iterable<Rating> ratings;
@Query("start movie=node({self}) match
movie-->genre<--similar return similar")
Iterable<Movie> similarMovies;
}
Repositories
interface MovieRepository extends GraphRepository<Movie> {
@Query("start movie={0} match m<-[rating:RATED]-user
return rating")
Iterable<Rating> getRatings(Movie movie);
// Co-Actors
Iterable<Person> findByActorsMoviesActorName(name)
}
<neo4j:repositories base-package="com.example.dao"/>
@Autowired MovieRepository repo;
Iterable<Movie> movies = repo.findAll();
Movie movie = repo.findByPropertyValue("title","Matrix");
repo.save(movie);
Iterable<Rating> ratings = repo.getRatings(movie);
Social movie database tutorial - cineasts.net
The Social Movie Database Webapp uses the Spring Framework, Spring Data Neo4j and
Neo4j based on data from themoviedb.org.
The application is documented in the
Spring Data Neo4j Guide Book,
and its source code
available on GitHub as part of the Spring Data Neo4j examples.
Spring Data Neo4j Guide Book - "Good Relationships"
Despite being just a library Spring Data Neo4j comes with a real Guide Book, featuring:
Blogs
Maven Artifacts
Stable Release
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>2.2.0.RELEASE</version>
</dependency>
Milestone Release
<repository>
<id>spring-snapshot</id>
<name>Spring Maven SNAPSHOT Repository</name>
<url>http://repo.springsource.org/libs-milestone</url>
</repository>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>2.2.0.RELEASE</version>
</dependency>
Snapshot Release
<repository>
<id>spring-snapshot</id>
<name>Spring Maven SNAPSHOT Repository</name>
<url>http://repo.springsource.org/libs-snapshot</url>
</repository>
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>2.3.0.BUILD-SNAPSHOT</version>
</dependency>
Current Stable Release (2.2.0.RELEASE)
Nightly Builds (2.3.0.BUILD-SNAPSHOT)
