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gistfile1.txt

public class TestFreebaseGraph {

	public static void main(String[] args) {
		TitanGraph g=TitanFactory.open("/Users/lili/soft/titan-server-0.4.4/conf/titan-hbase-es.properties");
		
		Vertex v1=g.addVertex(null);
		String name="Jack Brown";
		v1.setProperty("name", name);
		v1.setProperty("l_name", name.toLowerCase());
		v1.setProperty("f_name", name);
		String uri1=UUID.randomUUID().toString();
		v1.setProperty("uri", uri1);
		v1.setProperty("v_type", 0);
		
		Vertex v2=g.addVertex(null);
		name="Li Li";
		v2.setProperty("name", name);
		v2.setProperty("l_name", name.toLowerCase());
		v2.setProperty("f_name", name);
		String uri2=UUID.randomUUID().toString();
		v2.setProperty("uri", uri2);
		v2.setProperty("v_type", 0);
		
		Vertex v3=g.addVertex(null);
		v3.setProperty("i_value", 32);
		v3.setProperty("v_type", 1);
		
		String knows="http://knowledge-graph/knows";
		ElementHelper.setProperties(v1.addEdge(knows, v2),"spo",uri1+"@@"+knows+"@@"+uri2,"sp",uri1+"@@"+knows,"so",uri1+"@@"+uri2,"po",knows+"@@"+uri2);
		
		String age="http://knowledge-graph/age";
		String value="32";
		ElementHelper.setProperties(v2.addEdge(age, v3),"spo",uri2+"@@"+age+"@@"+value,"sp",uri2+"@@"+age,"so",uri2+"@@"+value,"po",age+"@@"+value);
		
		g.commit();
		
		//exact search
		Vertex v=g.getVertices("name", "Jack Brown").iterator().next();
		for(String k:v.getPropertyKeys()){
			System.out.println(k+"\t"+v.getProperty(k));
		}
		//lowercase
		v=g.getVertices("l_name", "jack brown").iterator().next();
		for(String k:v.getPropertyKeys()){
			System.out.println(k+"\t"+v.getProperty(k));
		}
		//full text
		v=g.query().has("f_name", Text.CONTAINS, "jack").vertices().iterator().next();
		for(String k:v.getPropertyKeys()){
			System.out.println(k+"\t"+v.getProperty(k));
		}
		
		Pipe pipe = Gremlin.compile("_().out('"+knows+"').out('"+age+"')");
		pipe.setStarts(g.query().has("f_name",Text.CONTAINS,"jack").vertices().iterator());
		for(Object o:pipe){
			Vertex vertex=(Vertex)o;
			for(String k:vertex.getPropertyKeys()){
				System.out.println(k+"\t"+vertex.getProperty(k));
			}
		}
		g.shutdown();
	}

}