DATAGRAPH-1238 - Unify README.

This commit is contained in:
Michael Simons
2019-07-11 09:29:18 +02:00
parent dfb47d30d7
commit c9307c449b
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= Continuous Integration
image:https://jenkins.spring.io/buildStatus/icon?job=spring-data-neo4j%2Fmaster&subject=Moore%20(master)[link=https://jenkins.spring.io/view/SpringData/job/spring-data-neo4j/]
image:https://jenkins.spring.io/buildStatus/icon?job=spring-data-neo4j%2F5.1.x&subject=Lovelace%20(5.1.x)[link=https://jenkins.spring.io/view/SpringData/job/spring-data-neo4j/]
image:https://jenkins.spring.io/buildStatus/icon?job=spring-data-neo4j%2F4.2.x&subject=Ingalls%20(4.2.x)[link=https://jenkins.spring.io/view/SpringData/job/spring-data-neo4j/]
= Running CI tasks locally
Since this pipeline is purely Docker-based, it's easy to:
* Debug what went wrong on your local machine.
* Test out a a tweak to your `test.sh` script before sending it out.
* Experiment against a new image before submitting your pull request.
All of these use cases are great reasons to essentially run what the CI server does on your local machine.
IMPORTANT: To do this you must have Docker installed on your machine.
1. `docker run -it --mount type=bind,source="$(pwd)",target=/spring-data-neo4j-github adoptopenjdk/openjdk8:latest /bin/bash`
+
This will launch the Docker image and mount your source code at `spring-data-neo4j-github`.
+
2. `cd spring-data-neo4j-github`
+
Next, run your tests from inside the container:
+
3. `./mvnw clean dependency:list test -Dsort` (or whatever profile you need to test out)
Since the container is binding to your source, you can make edits from your IDE and continue to run build jobs.
If you test building the artifact, do this:
1. `docker run -it --mount type=bind,source="$(pwd)",target=/spring-data-neo4j-github adoptopenjdk/openjdk8:latest /bin/bash`
+
This will launch the Docker image and mount your source code at `spring-data-neo4j-github`.
+
2. `cd spring-data-neo4j-github`
+
Next, try to package everything up from inside the container:
+
3. `./mvnw -Pci,snapshot -Dmaven.test.skip=true clean package`
NOTE: Docker containers can eat up disk space fast! From time to time, run `docker system prune` to clean out old images.

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@@ -1,126 +1,19 @@
image:https://spring.io/badges/spring-data-neo4j/ga.svg[title=Spring Data Neo4j,link=https://projects.spring.io/spring-data-neo4j#quick-start]
image:https://spring.io/badges/spring-data-neo4j/snapshot.svg[title=Spring Data Neo4j,link=https://projects.spring.io/spring-data-neo4j#quick-start]
image:https://jenkins.spring.io/buildStatus/icon?job=spring-data-neo4j%2Fmaster&subject=Moore%20(master)[link=https://jenkins.spring.io/view/SpringData/job/spring-data-neo4j/]
image:https://jenkins.spring.io/buildStatus/icon?job=spring-data-neo4j%2F5.1.x&subject=Lovelace%20(5.1.x)[link=https://jenkins.spring.io/view/SpringData/job/spring-data-neo4j/]
image:https://jenkins.spring.io/buildStatus/icon?job=spring-data-neo4j%2F4.2.x&subject=Ingalls%20(4.2.x)[link=https://jenkins.spring.io/view/SpringData/job/spring-data-neo4j/]
= Spring Data Neo4j
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 Neo4j project aims to provide a familiar and consistent Spring-based programming model for integrating with the https://neo4j.com/[Neo4j] Graph Database.
=== Features
== Code of Conduct
* Automatic mapping of annotated domain entities for nodes and relationships;
* Powerful CRUD based repositories with provided, derived, and annotated finder methods;
* Integration with Spring's comprehensive Transaction management;
* Agnostic communication with Neo4j through a variety of transport mechanisms (embedded, http, https://neo4j.com/developer/language-guides/#bolt-drivers[bolt]);
* Integration into Spring Data REST;
* Seamless integration with Spring Boot.
This project is governed by the link:CODE_OF_CONDUCT.adoc[Spring Code of Conduct]. By participating, you are expected to uphold this code of conduct. Please report unacceptable behavior to spring-code-of-conduct@pivotal.io.
== Getting Started
== Documentation & Getting Help
This README is the best place to start learning about the features of Spring Data Neo4j.
To learn more refer to:
* the https://docs.spring.io/spring-data/neo4j/docs/5.0.x/reference/html/[Reference Manual];
* the https://github.com/neo4j-examples/sdn-university[sample project: SDN University]. More example projects for Spring Data Neo4j are available in the https://github.com/neo4j-examples?query=sdn4[Neo4j-Examples] repository
* The main https://projects.spring.io/spring-data-neo4j[Spring project site] contains links to basic project information such as source code, JavaDocs, Issue tracking, etc.
* the https://docs.spring.io/spring-data/neo4j/docs/5.0.x/api/[Javadocs];
* for more detailed questions, use https://stackoverflow.com/questions/tagged/spring-data-neo4j-5[Spring Data Neo4j on StackOverflow]
If you are new to Spring as well as to Spring Data, look for information about https://spring.io/projects[Spring projects].
== Quick start
Add the Maven dependency:
[source,xml]
----
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>${version}.RELEASE</version>
</dependency>
----
If you'd rather like the latest snapshots of the upcoming major version, use our Maven snapshot repository and declare the appropriate dependency version.
[source,xml]
----
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>${version}.BUILD-SNAPSHOT</version>
</dependency>
<!-- used for nightly builds -->
<repository>
<id>spring-libs-snapshot</id>
<snapshots><enabled>true</enabled></snapshots>
<name>Springframework Maven SNAPSHOT Repository</name>
<url>https://repo.spring.io/libs-snapshot</url>
</repository>
----
TIP: You can check out how to get setup with Gradle in the the https://docs.spring.io/spring-data/data-neo4j/docs/current/reference/html/[Reference Manual].
Configure Spring Data Neo4j in your application using JavaConfig bean configuration
[source,java]
----
@Configuration
@ComponentScan(basePackages = "org.example.person.services",...)
@EnableNeo4jRepositories(basePackages = "com.example.person.repository",...)
@EnableTransactionManagement
public class MyConfiguration {
@Bean
public SessionFactory sessionFactory() {
// with domain entity base package(s)
return new SessionFactory(configuration(), "com.example.person.domain",...);
}
@Bean
public org.neo4j.ogm.config.Configuration configuration() {
org.neo4j.ogm.config.Configuration configuration = new org.neo4j.ogm.config.Configuration.Builder()
.uri("bolt://localhost")
.credentials("user", "secret")
.build();
return configuration;
}
@Bean
public Neo4jTransactionManager transactionManager() {
return new Neo4jTransactionManager(sessionFactory());
}
}
----
Spring Data Neo4j provides support for connecting to all of Neo4j's java drivers:
* Bolt
* HTTP
* Embedded
Spring Data Neo4j will attempt to auto-configure itself using a file called `ogm.properties`, which it expects to find on root of the classpath. Here we will configure the HTTP Driver.
[source,java]
----
URI=http://user:password@localhost:7474
----
The application can be configured programmatically as well, please consult https://docs.spring.io/spring-data/neo4j/docs/5.0.x/reference/html/#reference.getting_started.spring-configuration[the reference guide] for more information.
Annotate an entity:
Here is a quick teaser of an application using Spring Data Repositories in Java:
[source,java]
----
@@ -137,15 +30,7 @@ public class Person {
private void knows(Person friend) { friends.add(friend); }
}
----
To simplify the creation of data repositories Spring Data Neo4j provides a generic repository programming model. It will automatically create a repository proxy for you that adds implementations of finder methods you specify on an interface.
For example, given the Person class above, a PersonRepository interface that can query for Person by name and when the name matches a like expression is shown below:
[source,java]
----
@Repository
public interface PersonRepository extends Neo4jRepository<Person, Long> {
@@ -153,14 +38,7 @@ public interface PersonRepository extends Neo4jRepository<Person, Long> {
List<Person> findByNameLike(String name);
}
----
The queries issued on execution will be derived from the method name.
Typically you will want to call your domain objects and repositories from services. In this Service we find the repository interface and register a proxy object in the container:
[source,java]
----
@Service
public class MyService {
@@ -191,54 +69,135 @@ public class MyService {
}
}
}
@Configuration
@ComponentScan
@EnableNeo4jRepositories
@EnableTransactionManagement
public class MyConfiguration {
@Bean
public SessionFactory sessionFactory(org.neo4j.ogm.config.Configuration configuration) {
// with domain entity base package(s)
return new SessionFactory(configuration, "com.example.person.domain");
}
@Bean
public org.neo4j.ogm.config.Configuration configuration() {
org.neo4j.ogm.config.Configuration configuration = new org.neo4j.ogm.config.Configuration.Builder()
.uri("bolt://localhost")
.credentials("user", "secret")
.build();
return configuration;
}
@Bean
public Neo4jTransactionManager transactionManager() {
return new Neo4jTransactionManager(sessionFactory());
}
}
----
== Contributing to Spring Data Neo4j
=== Maven configuration
There are dedicated, mandatory https://github.com/spring-projects/spring-data-build/blob/master/CONTRIBUTING.adoc[contribution guidelines] for all Spring Data projects.
Add the Maven dependency:
Here are some ways for you to get involved in the community:
[source,xml]
----
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>${version}.RELEASE</version>
</dependency>
----
* Get involved with Spring Data Neo4j community on the https://groups.google.com/group/neo4j[Neo4j Google Group] and by helping on https://stackoverflow.com/questions/tagged/spring-data-neo4j[StackOverflow].
* Create https://jira.spring.io/browse/DATAGRAPH[JIRA] tickets for bugs and new features and comment and vote on the ones that you are interested in.
* Github is for social coding: if you want to write code, we encourage contributions through *pull requests* from a fork of this repository.
If you want to contribute code this way, please read the https://github.com/spring-projects/spring-data-build/blob/master/CONTRIBUTING.adoc[contribution guidelines] for details.
If you'd rather like the latest snapshots of the upcoming major version, use our Maven snapshot repository and declare the appropriate dependency version.
= Running CI tasks locally
[source,xml]
----
<dependency>
<groupId>org.springframework.data</groupId>
<artifactId>spring-data-neo4j</artifactId>
<version>${version}.BUILD-SNAPSHOT</version>
</dependency>
Since this pipeline is purely Docker-based, it's easy to:
<repository>
<id>spring-libs-snapshot</id>
<name>Spring Snapshot Repository</name>
<url>https://repo.spring.io/libs-snapshot</url>
</repository>
----
* Debug what went wrong on your local machine.
* Test out a a tweak to your `test.sh` script before sending it out.
* Experiment against a new image before submitting your pull request.
Please find the setup for Gradle based projects in the the https://docs.spring.io/spring-data/data-neo4j/docs/current/reference/html/[Reference Manual].
All of these use cases are great reasons to essentially run what the CI server does on your local machine.
Spring Data Neo4j provides support for connecting to all of Neo4j's java drivers:
IMPORTANT: To do this you must have Docker installed on your machine.
* Bolt
* HTTP
* Embedded
1. `docker run -it --mount type=bind,source="$(pwd)",target=/spring-data-neo4j-github adoptopenjdk/openjdk8:latest /bin/bash`
+
This will launch the Docker image and mount your source code at `spring-data-neo4j-github`.
+
2. `cd spring-data-neo4j-github`
+
Next, run your tests from inside the container:
+
3. `./mvnw clean dependency:list test -Dsort` (or whatever profile you need to test out)
Depending on your need, you'll have to add one additional Neo4j-OGM module.
Please refer to the reference linked above.
Since the container is binding to your source, you can make edits from your IDE and continue to run build jobs.
== Getting Help
If you test building the artifact, do this:
Having trouble with Spring Data? Wed love to help!
1. `docker run -it --mount type=bind,source="$(pwd)",target=/spring-data-neo4j-github adoptopenjdk/openjdk8:latest /bin/bash`
+
This will launch the Docker image and mount your source code at `spring-data-neo4j-github`.
+
2. `cd spring-data-neo4j-github`
+
Next, try to package everything up from inside the container:
+
3. `./mvnw -Pci,snapshot -Dmaven.test.skip=true clean package`
* Check the
https://docs.spring.io/spring-data/neo4j/docs/current/reference/html/[reference documentation], and https://docs.spring.io/spring-data/neo4j/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/neo4j/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/questions/tagged/spring-data-neo4j-5[spring-data-neo4j-5].
* Report bugs with Spring Data Neo4j at https://jira.spring.io/browse/DATAGRAPH[jira.spring.io/browse/DATAGRAPH].
NOTE: Docker containers can eat up disk space fast! From time to time, run `docker system prune` to clean out old images.
== 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/DATAGRAPH[issue tracker] to see if someone has already reported the problem.
* If the issue doesnt already exist, https://jira.spring.io/browse/DATAGRAPH[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 dont 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`.
== Guides
The https://spring.io/[spring.io] site contains several guides that show how to use Spring Data step-by-step:
* https://spring.io/guides/gs/accessing-data-neo4j/[Accessing Data with Neo4j] is a very basic guide that shows you how to create a simple application and how to access data using repositories.
* https://spring.io/guides/gs/accessing-neo4j-data-rest/[Accessing Neo4j Data with REST] is a guide to creating a REST web service exposing data stored in Neo4j through repositories.
== 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 Neo4j is Open Source software released under the https://www.apache.org/licenses/LICENSE-2.0.html[Apache 2.0 license].