Umlg is a uml to java code generator. From uml class diagrams, java entities are generated. The entities persist in graph databases.
'org.umlg:runtime:1.0.2'
<dependency>
<groupId>org.umlg</groupId>
<artifactId>runtime</artifactId>
<version>1.0.2</version>
</dependency>
<dependency org="org.umlg" name="runtime" rev="1.0.2"/>
"org.umlg", "runtime", "1.0.2"