--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/alice/topology/manager/RecodeTopology.java	Mon Jul 21 17:23:38 2014 +0900
@@ -0,0 +1,43 @@
+package alice.topology.manager;
+
+import java.util.HashMap;
+import java.util.LinkedList;
+
+import alice.codesegment.CodeSegment;
+import alice.datasegment.CommandType;
+import alice.datasegment.Receiver;
+import alice.topology.HostMessage;
+
+public class RecodeTopology extends CodeSegment {
+
+    private Receiver info = ids.create(CommandType.TAKE);  // NodeInfo
+    private Receiver info1 = ids.create(CommandType.TAKE); // HashMap 
+
+    public RecodeTopology(){
+        info.setKey("nodeInfo");
+        info1.setKey("topology");
+    }
+
+    @Override
+    public void run() {
+        HostMessage hostInfo = info.asClass(HostMessage.class);
+        @SuppressWarnings("unchecked")
+        HashMap<String, LinkedList<HostMessage>> topology = info1.asClass(HashMap.class);
+        LinkedList<HostMessage> connections;        
+        if (!topology.containsKey(hostInfo.parentAbsName)) {
+            connections = new LinkedList<HostMessage>();
+        } else {
+            connections = topology.get(hostInfo.parentAbsName);
+        }
+        connections.add(hostInfo);
+        topology.put(hostInfo.parentAbsName, connections);
+        ods.update(info1.key, topology);
+        
+        for (LinkedList<HostMessage> list :topology.values()){
+            for (HostMessage host : list){
+                System.out.println(host.parentAbsName+" : "+host.name+" "+host.port+" "+host.connectionName+" "+host.reverseName);
+            }
+        }
+    }
+
+}