--- a/app/models/TPGraph.java	Wed Oct 03 16:58:34 2012 +0900
+++ b/app/models/TPGraph.java	Wed Oct 03 18:43:49 2012 +0900
@@ -81,21 +81,18 @@
 	
 	public Edge setLabelToRootUser(UserModel user) {
 		Vertex rootUser = getUserRootVertex(); 
-
 		//  rootUser ---child---> newUser
 		return setLabel(rootUser, user.getVertex(), CHILD);
 	}
 
 	public Edge setLabelToRootClaim(ClaimModel claim) {
 		Vertex rootClaim = getClaimRootVertex(); 
-
 		//  rootUser ---child---> newUser
 		return setLabel(rootClaim, claim.getVertex(), CHILD);
 	}
 	
 	public Edge setLabelToAuthor(ClaimModel claim, String author) {
 		Vertex authorVertex = graph.getVertex(author);
-
 		//  claim ---author---> authorVertex(userVertex)
 		return setLabel(claim.getVertex(), authorVertex, NodeModel.L_AUTHOR);
 	}
@@ -125,14 +122,12 @@
 	
 	public Object[] checkConsensus(HashSet<Object> set) {
 		Iterator<Object> iter = set.iterator();
-
 		while (iter.hasNext()) {
 			Object childId = iter.next();
 			ArrayList<Object> array = getAllUpperVertex(childId);
 			for (Object parentId: array.toArray()) {
 				if (set.contains(parentId)) {
 					if (set.contains(childId)) {
-
 						// This behavior is anxiety.
 						set.remove(childId);
 						iter = set.iterator();
@@ -150,13 +145,11 @@
 		GremlinPipeline<Vertex,Vertex> pipe = new GremlinPipeline<Vertex,Vertex>();		
 		pipe.start(startV).in(NodeModel.L_QUESTION, NodeModel.L_REFUTATION, NodeModel.L_SUGGESTION);
 		ArrayList<Object> vertexArray = new ArrayList<Object>();
-
 		while (pipe.hasNext()) {
 			Object e = pipe.next().getId();
 			vertexArray.add(e);
 			pipe.start(graph.getVertex(e)).in(NodeModel.L_QUESTION, NodeModel.L_REFUTATION, NodeModel.L_SUGGESTION);
 		}
-		
 		return vertexArray;
 	}