--- a/app/models/ClaimModel.java	Wed Oct 03 18:43:49 2012 +0900
+++ b/app/models/ClaimModel.java	Thu Oct 04 00:01:40 2012 +0900
@@ -1,6 +1,8 @@
 package models;
 
 import java.util.ArrayList;
+import java.util.HashSet;
+import java.util.Iterator;
 
 import org.codehaus.jackson.JsonNode;
 import org.codehaus.jackson.node.ObjectNode;
@@ -8,6 +10,7 @@
 import play.libs.Json;
 
 import com.tinkerpop.blueprints.Edge;
+import com.tinkerpop.blueprints.Graph;
 import com.tinkerpop.blueprints.Vertex;
 import com.tinkerpop.gremlin.java.GremlinPipeline;
 
@@ -91,11 +94,27 @@
 		return array.toArray();
 	}
 
-
 	public Object[] getRequestUsersId() {
 		return getInfoArray(NodeModel.REQUESTS);
 	}
 	
+	public void editRequestsEdgeUsers(Object[] updateUsers) {
+		TPGraph tpGraph = TPGraph.getInstance();
+		Object[] currentUsers = getUsersId();
+		HashSet<Object> currentUsersHashSet = new HashSet<Object>();
+		for (Object u : currentUsers) {
+			currentUsersHashSet.add(u);
+		}
+		for (Object updateUser : updateUsers) {
+			if (currentUsersHashSet.contains(updateUser)) {
+				currentUsersHashSet.remove(updateUser);
+			} else {
+				tpGraph.setLabelStatusToUser(this, updateUser.toString(), L_REQUEST, UNKNOWN);
+			}
+		}
+		tpGraph.deleteRequestEdge(this, currentUsersHashSet);
+	}
+	
 	public Object getAuthorId() {
 		GremlinPipeline<Vertex,Vertex> pipe = new GremlinPipeline<Vertex,Vertex>();
 		pipe.start(vertex).out(L_AUTHOR);