@Override
public void setUp() {
  OGlobalConfiguration.USE_WAL.setValue(true);

  super.setUp();
  final OrientVertexType v1 = graph.createVertexType("V1");
  final OrientVertexType v2 = graph.createVertexType("V2");

  final OrientEdgeType edgeType = graph.createEdgeType("Friend");
  edgeType.createProperty("in", OType.LINK, v2);
  edgeType.createProperty("out", OType.LINK, v1);

  // ASSURE NOT DUPLICATES
  edgeType.createIndex("out_in", OClass.INDEX_TYPE.UNIQUE, "in", "out");

  graph.addVertex("class:V2").setProperty("name", "Luca");
  graph.commit();
}
 

protected void createSchema()
{
    graph.executeOutsideTx(new OCallable<Object, OrientBaseGraph>() {
        @SuppressWarnings({ "unchecked", "rawtypes" })
        @Override
        public Object call(final OrientBaseGraph g)
        {
            OrientVertexType v = g.getVertexBaseType();
            if(!v.existsProperty(NODE_ID)) { // TODO fix schema detection hack later
                v.createProperty(NODE_ID, OType.INTEGER);
                g.createKeyIndex(NODE_ID, Vertex.class, new Parameter("type", "UNIQUE_HASH_INDEX"), new Parameter(
                    "keytype", "INTEGER"));

                v.createEdgeProperty(Direction.OUT, SIMILAR, OType.LINKBAG);
                v.createEdgeProperty(Direction.IN, SIMILAR, OType.LINKBAG);
                OrientEdgeType similar = g.createEdgeType(SIMILAR);
                similar.createProperty("out", OType.LINK, v);
                similar.createProperty("in", OType.LINK, v);
                g.createKeyIndex(COMMUNITY, Vertex.class, new Parameter("type", "NOTUNIQUE_HASH_INDEX"),
                    new Parameter("keytype", "INTEGER"));
                g.createKeyIndex(NODE_COMMUNITY, Vertex.class, new Parameter("type", "NOTUNIQUE_HASH_INDEX"),
                    new Parameter("keytype", "INTEGER"));
            }

            return null;
        }
    });
}