Using TinkerPop Frames to map a Java object model to a Graph, then TinkerPop Blueprints to persist it to underlying Graph storage (impl in OrientDB)

gistfile1.java

public interface Organization {

    String PROP_NAME = "name";
    String REL_PROJECTS = "sponsors";

    /**
     * Gets the name of this {@link org.jboss.metrics.playground.model.Organization}
     * @return
     */
    @Property(PROP_NAME)
    String getName();

    /**
     * Sets the name of this {@link org.jboss.metrics.playground.model.Organization}
     * @param name
     */
    @Property(PROP_NAME)
    void setName(String name);

    @Adjacency(label = REL_PROJECTS)
    Iterable<Project> getProjects();

    @Adjacency(label = REL_PROJECTS)
    void addProject(Project project);
}


public interface Project {

    String PROP_NAME = "name";
    String REL_ORGANIZATION = "sponsoredBy";

    /**
     * Obtains the name of this {@link org.jboss.metrics.playground.model.Project}
     * @return
     */
    @Property(PROP_NAME)
    String getName();

    /**
     * Sets the name of this {@link org.jboss.metrics.playground.model.Project}
     * @param name
     */
    @Property(PROP_NAME)
    void setName(String name);

    /**
     * Returns the sponsoring organization
     * @return
     */
    @Adjacency(label = REL_ORGANIZATION)
    Organization getOrganization();

    /**
     * Sets the sponsoring organization
     * @param organization
     */
    @Adjacency(label =  REL_ORGANIZATION)
    void setOrganization(Organization organization);
}

    @Test
    public void testOrientDbFrameGraphApi() {

        final FramedGraphFactory framedGraphFactory = new FramedGraphFactory();
        final FramedGraph framedGraph = framedGraphFactory.create(graphDb);

        final Vertex jbossVertex = framedGraph.addVertex(null);
        System.out.println("Just added Vertex ID for JBoss org: " + jbossVertex.getId());
        final Vertex shrinkwrapVertex = framedGraph.addVertex(null);
        System.out.println("Just added Vertex ID for ShrinkWrap: " + shrinkwrapVertex.getId());

        //TODO Why do I need this cast?  By API I shouldn't.
        final Project shrinkwrap = (Project)framedGraph.frame(shrinkwrapVertex, Project.class);
        final Organization jboss = (Organization)framedGraph.frame(jbossVertex, Organization.class);

        jboss.setName("JBoss");
        shrinkwrap.setName("ShrinkWrap");
        jboss.addProject(shrinkwrap);
        shrinkwrap.setOrganization(jboss);

        final Iterable<Vertex> vertices = graphDb.getVertices();
        for(final Vertex vertexRoundtrip : vertices){
            System.out.println("Found Vertex: " + vertexRoundtrip.getId());
            final Set<String> propertyKeys = vertexRoundtrip.getPropertyKeys();
            for(final String propertyKey : propertyKeys){
                System.out.println("\tFound property... " + propertyKey + ":" + vertexRoundtrip.getProperty(propertyKey));
            }
            final Iterable<Vertex> adjacentVertexes = vertexRoundtrip.getVertices(Direction.OUT,Project.REL_ORGANIZATION, Organization.REL_PROJECTS);
            for(final Vertex adjacentVertex : adjacentVertexes){
                System.out.println("\tFound adjacent vertex: " + adjacentVertex.getId());
            }
        }
    }

gistfile2.txt

Just added Vertex ID for JBoss org: #9:0
Just added Vertex ID for ShrinkWrap: #9:1
Found Vertex: #9:0
	Found property... name:JBoss
	Found adjacent vertex: #9:1
Found Vertex: #9:1
	Found property... name:ShrinkWrap
	Found adjacent vertex: #9:0