neo4j 0,3,11,0,2,1,0,5

Graphs for Everyone

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= Neo4j: Graphs for Everyone =

http://neo4j.com[Neo4j] is the world's leading Graph Database. It is a high performance graph store with all the features expected of a mature and robust database, like a friendly query language and ACID transactions. The programmer works with a flexible network structure of nodes and relationships rather than static tables -- yet enjoys all the benefits of enterprise-quality database. For many applications, Neo4j offers orders of magnitude performance benefits compared to relational DBs.

Learn more on the http://neo4j.com[Neo4j website].

== Using Neo4j ==

Neo4j is available both as a standalone server, or an embeddable component. You can http://neo4j.com/download/[download] or http://console.neo4j.org[try online].

== Extending Neo4j ==

We encourage experimentation with Neo4j. You can build extensions to Neo4j, develop library or drivers atop the product, or make contributions directly to the product core. You'll need to sign a Contributor License Agreement in order for us to accept your patches.

For a quick overview of the components in this repository, you can read the link:RepositoryOverview.asciidoc[RepositoryOverview.asciidoc].

NOTE: This GitHub repository contains mixed GPL and AGPL code. Our Community edition (in the link:community/[community/] directory) is GPLv3. Our Enterprise edition (link:enterprise/[enterprise/]) is differently licensed under the AGPLv3.

== Dependencies ==

Neo4j is built using http://maven.apache.org/[Apache Maven] version 3.3 and a recent version of supported VM. Bash and Make are also required. Note that maven needs more memory than the standard configuration, this can be achieved with export MAVEN_OPTS="-Xmx512m".

OS X users need to have http://brew.sh/[Homebrew] installed.

=== With brew on OS X ===

brew install maven

Please note that we do not support building Debian packages on OS X.

=== With apt-get on Ubuntu ===

apt install maven openjdk-8-jdk

On top of that, to build Debian packages and Neo4j Desktop:

apt install debhelper devscripts dos2unix dpkg make xmlstarlet

You will need a license for install4j, which is only needed for Neo4j Desktop

curl -O http://download-keycdn.ej-technologies.com/install4j/install4j_linux_6_1_4.deb dpkg -i install4j_linux_6_1_4.deb

== Building Neo4j ==

  • A plain mvn clean install will only build the individual jar files.
  • Test execution is, of course, part of the build.
  • To add execution of integration tests, use: mvn clean install -DrunITs.
  • In case you just want the jars, without running tests, this is for you: mvn clean install -DskipTests.
  • To skip building the browser module, use -DskipBrowser (note that you might not be able to build the server without it).
  • To build everything, including running all tests and assembling product packages, use mvn clean install -DfullBuild.
  • To build product packages, do export PATH="bin:$PATH" && make clean all in the packaging directory after building artifacts with Maven
  • To build the documentation see the link:manual/[Neo4j manual].
  • When building on Windows, use -Dlicensing.skip to avoid problems related to line endings.
  • The license header check can be skipped by appending the following to the command line: -Dlicense.skip=true.
  • If you are running into problems building on Windows you can try building Neo4j in a Ubuntu virtual machine.
  • You may need to increase the memory available to Maven: export MAVEN_OPTS="-Xmx512m".

== Running Neo4j ==

After running a mvn clean install -DfullBuild cd into packaging/standalone/target and extract the version you want, then

bin/neo4j start

in the extracted folder to start Neo4j on localhost:7474. On Windows you want to run

bin\Neo4j.bat

instead.

Or, if you are not interested in the tarballs and just want to run Neo4j you can instead run a mvn clean install -DminimalBuild and then cd into community/server and run

mvn clean compile exec:java

to start Neo4j.

== Licensing ==

Neo4j is an open source product. We support a Community edition under the GPLv3 license. The Enterprise edition is available under the AGPLv3 license for open source projects otherwise under a commercial license from http://info.neotechnology.com/contactus.html[Neo Technology].

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