--- a/app/models/TPGraph.java	Mon Oct 01 18:51:30 2012 +0900
+++ b/app/models/TPGraph.java	Mon Oct 01 19:53:43 2012 +0900
@@ -1,5 +1,7 @@
 package models;
 
+import scala.reflect.generic.Trees.This;
+
 import com.tinkerpop.blueprints.Graph;
 import com.tinkerpop.blueprints.Vertex;
 import com.tinkerpop.blueprints.impls.tg.TinkerGraph;
@@ -10,6 +12,8 @@
 	private Object claimRootId;
 	private Object userRootId;
 	
+	protected final String CHILD = "child";
+	
 	private TPGraph() {
 		
 	}
@@ -39,26 +43,44 @@
 		return graph;
 	}
 	
-	public void setClaimRootVertex(Vertex v) {
-		this.claimRootId = v.getId();
+	public void setClaimRootId(Object id) {
+		this.claimRootId = id;
 	}
 	
-	public Object getClaimRootVertex() {
-		return this.claimRootId;
+	public void setUserRootId(Object id) {
+		this.userRootId = id;
 	}
 	
-	public void setUserRootVertex(Vertex v) {
-		this.userRootId = v.getId();
+	public Object getUserRootId() {
+		return userRootId;
+	}
+
+	public Vertex getClaimRootVertex() {
+		return graph.getVertex(userRootId);
 	}
 	
-	public Object getUserRootVertex() {
-		return userRootId;
+	public Vertex getUserRootVertex() {
+		return graph.getVertex(userRootId);
 	}
+
+	public void setLabelToRootUser(UserModel user) {
+		Vertex rootUser = getUserRootVertex(); 
+
+		/* 
+		 *  rootUser ---child---> newUser
+		 */
+		graph.addEdge(null, rootUser, user.getVertex(), CHILD);
+	}
+	
+
 	
 	public void shutdownGraph() {
 		graph.shutdown();
 	}
 	
+	
+	
+	
 
 	
 }