create graph and query with gremlin

gistfile1.txt

	public static void main(String[] args) {
		TitanGraph g=TitanFactory.open("/Users/lili/soft/titan-server-0.4.4/conf/titan-hbase-es.properties");
		{
			Vertex mike=g.addVertex(null);
			mike.setProperty("name", "Mike");
			mike.setProperty("l_name", "mike");
			mike.setProperty("v_type", 0);
			
			Vertex automobile=g.addVertex(null);
			automobile.setProperty("name", "Avalon");
			automobile.setProperty("l_name", "avalon");
			automobile.setProperty("v_type", 0);
			
			Vertex buy=g.addVertex(null);
			buy.setProperty("v_type", 0);
			
			Vertex word_buy=g.addVertex(null);
			word_buy.setProperty("name", "buy");
			word_buy.setProperty("l_name", "buy");
			buy.addEdge("meaning_to_word", word_buy);
			Vertex word_purchase=g.addVertex(null);
			word_purchase.setProperty("name", "purchase");
			word_purchase.setProperty("l_name", "purchase");
			buy.addEdge("meaning_to_word", word_purchase);
			
			TitanEdge e=(TitanEdge) mike.addEdge("predicate", automobile);
			e.setProperty("toMeaning", buy);
			
			g.commit();
			
			//query mike purchase what?
			Pipe pipe = Gremlin.compile("_().outE('predicate').as('x').outE('toMeaning').inV.out.has('l_name','purchase').back('x').out.name");
			pipe.setStarts(g.query().has("l_name","mike").vertices().iterator());
			
			for(Object name : pipe) {
			  System.out.println((String) name);
			}
		}
	}