for (int i = 0; i < 10; i++) {
OrientVertex v1 = graph.addVertex("class:TestVertex");
OrientVertex v2 = graph.addVertex("class:TestVertex");
OrientVertex v3 = graph.addVertex("class:TestVertex");
OrientVertex v4 = graph.addVertex("class:TestVertex");
Map<String, Object> p1 = new HashMap<String, Object>();
p1.put("based_on", "0001");
OrientEdge e1 = v1.addEdge(null, v2, "TestEdge", null, p1);
e1.save();