import org.apache.commons.configuration.BaseConfiguration;
import org.apache.tinkerpop.gremlin.structure.Graph;
import org.apache.tinkerpop.gremlin.structure.T;
import org.apache.tinkerpop.gremlin.structure.Vertex;
import org.umlg.sqlg.structure.SqlgGraph;

import java.util.Iterator;
import java.util.List;

public class GremlinJenaTest2 {

    public static void main(String[] arg) {
        BaseConfiguration conf = new BaseConfiguration();
        conf.setProperty("jdbc.url", "jdbc:postgresql://localhost:5432/sqlgraphdb");
        conf.setProperty("jdbc.username", "batman");
        conf.setProperty("jdbc.password", "password");
        Graph g = SqlgGraph.open(conf);
      g.addVertex(T.label, "A", "name", "halo");
      g.tx().commit();
      List<Vertex> vertices = g.traversal().V().hasLabel("A").toList();
      System.out.println(vertices.size());


        for(Vertex anObject : vertices){
                System.out.println(anObject.label());
          }

        try {
            g.close();
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}