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https://github.com/spring-attic/spring-data-solr

Spring Data - Apache Solr integration
https://github.com/spring-attic/spring-data-solr

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Spring Data - Apache Solr integration

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= Spring Data for Apache Solr 



[WARNING]

====

**Spring Data for Apache Solr had been discontinued in early 2020 and exceeded its support timeline in February 2023. The team has laid out the reasons to discontinue the project https://spring.io/blog/2020/04/07/spring-data-for-apache-solr-discontinued[here]. The repository is in read-only mode having issues, comments and pull requests disabled. For current users of Spring Data Solr, we recommend to look into alternative search-engine-related modules like https://github.com/spring-projects/spring-data-elasticsearch[Spring Data Elasticsearch].**

====



The primary goal of the https://projects.spring.io/spring-data[Spring Data] project is to make it easier to build Spring-powered applications that use new data access technologies such as non-relational databases, map-reduce frameworks, and cloud based data services.



The Spring Data for Apache Solr project provides integration with the https://lucene.apache.org/solr/[Apache Solr] search engine



Providing its own extensible `MappingSolrConverter` as alternative to `DocumentObjectBinder` Spring Data for Apache Solr handles inheritance as well as usage of custom Types such as `Point` or `DateTime`



== Features



* High level repository abstractions with multicore support

* Annotations for Boost-, Facet- and Highlighting

* Customizable type mappings and type conversions

* Solr template supporting fluent query api

* Exception translation to Spring’s portable Data Access exception hierarchy



== Code of Conduct



This project is governed by the https://github.com/spring-projects/.github/blob/e3cc2ff230d8f1dca06535aa6b5a4a23815861d4/CODE_OF_CONDUCT.md[Spring Code of Conduct]. By participating, you are expected to uphold this code of conduct. Please report unacceptable behavior to [email protected].



== Getting Started



Here is a quick teaser of an application using Spring Data Repositories in Java:



[source,java]

----

public interface PersonRepository extends CrudRepository {



  List findByLastname(String lastname);



  List findByFirstnameLike(String firstname);

}



@Service

public class MyService {



  private final PersonRepository repository;



  public MyService(PersonRepository repository) {

    this.repository = repository;

  }



  public void doWork() {



    repository.deleteAll();



    Person person = new Person();

    person.setFirstname("Christoph");

    person.setLastname("Strobl");

    repository.save(person);



    List lastNameResults = repository.findByLastname("Strobl");

    List firstNameResults = repository.findByFirstnameLike("C*");

 }

}



@Configuration

@EnableSolrRepositories(schemaCreationSupport = true)

class Config {



  @Bean

  public SolrClient solrClient() {

    return new HttpSolrClient("http://localhost:8983/solr");

  }

}

----



=== Maven configuration



Add the Maven dependency:



[source,xml]

----



  org.springframework.data

  spring-data-solr

  ${version}.RELEASE



----



If you'd rather like the latest snapshots of the upcoming major version, use our Maven snapshot repository and declare the appropriate dependency version.



[source,xml]

----



  org.springframework.data

  spring-data-solr

  ${version}.BUILD-SNAPSHOT



  spring-libs-snapshot

  Spring Snapshot Repository

  https://repo.spring.io/libs-snapshot



----



== Getting Help



Having trouble with Spring Data? We’d love to help!



* Check the

https://docs.spring.io/spring-data/solr/docs/current/reference/html/[reference documentation], and https://docs.spring.io/spring-data/solr/docs/current/api/[Javadocs].

* Learn the Spring basics – Spring Data builds on Spring Framework, check the https://spring.io[spring.io] web-site for a wealth of reference documentation.

If you are just starting out with Spring, try one of the https://spring.io/guides[guides].

* If you are upgrading, check out the https://docs.spring.io/spring-data/solr/docs/current/changelog.txt[changelog] for "`new and noteworthy`" features.

* Ask a question - we monitor https://stackoverflow.com[stackoverflow.com] for questions tagged with https://stackoverflow.com/tags/spring-data[`spring-data-solr`].

You can also chat with the community on https://gitter.im/spring-projects/spring-data[Gitter].

* Report bugs with Spring Data for Apache Solr at https://jira.spring.io/browse/DATASOLR[jira.spring.io/browse/DATASOLR].



== Reporting Issues



Spring Data uses JIRA as issue tracking system to record bugs and feature requests. If you want to raise an issue, please follow the recommendations below:



* Before you log a bug, please search the

https://jira.spring.io/browse/DATASOLR[issue tracker] to see if someone has already reported the problem.

* If the issue doesn’t already exist, https://jira.spring.io/browse/DATASOLR[create a new issue].

* Please provide as much information as possible with the issue report, we like to know the version of Spring Data that you are using and JVM version.

* If you need to paste code, or include a stack trace use JIRA `{code}…{code}` escapes before and after your text.

* If possible try to create a test-case or project that replicates the issue. Attach a link to your code or a compressed file containing your code.



== Building from Source



You don’t need to build from source to use Spring Data (binaries in https://repo.spring.io[repo.spring.io]), but if you want to try out the latest and greatest, Spring Data can be easily built with the https://github.com/takari/maven-wrapper[maven wrapper].

You also need JDK 1.8.



[source,bash]

----

 $ ./mvnw clean install

----



If you want to build with the regular `mvn` command, you will need https://maven.apache.org/run-maven/index.html[Maven v3.5.0 or above].



_Also see link:CONTRIBUTING.adoc[CONTRIBUTING.adoc] if you wish to submit pull requests, and in particular please sign the https://cla.pivotal.io/sign/spring[Contributor’s Agreement] before your first non-trivial change._



=== Building reference documentation



Building the documentation builds also the project without running tests.



[source,bash]

----

 $ ./mvnw clean install -Pdistribute

----



The generated documentation is available from `target/site/reference/html/index.html`.



== Examples



* https://github.com/spring-projects/spring-data-examples/[Spring Data Examples] contains example projects that explain specific features in more detail.



== License



Spring Data for Apache Solr is Open Source software released under the https://www.apache.org/licenses/LICENSE-2.0.html[Apache 2.0 license].