--- a/src/main/java/alice/topology/manager/RecodeTopology.java	Wed Feb 10 20:55:51 2016 +0900
+++ b/src/main/java/alice/topology/manager/RecodeTopology.java	Mon Feb 15 01:16:35 2016 +0900
@@ -4,6 +4,7 @@
 import java.util.LinkedList;
 
 import alice.codesegment.CodeSegment;
+import alice.codesegment.MetaCodeSegment;
 import alice.datasegment.CommandType;
 import alice.datasegment.Receiver;
 import alice.topology.HostMessage;
@@ -12,7 +13,7 @@
  * This class update "topology"(topology info).
  * "topology" has HashMap<String:nodeName, LinkedList<HostMessage>>
  */
-public class RecodeTopology extends CodeSegment {
+public class RecodeTopology extends MetaCodeSegment {
 
     private Receiver info = ids.create(CommandType.TAKE);  // NodeInfo
     private Receiver info1 = ids.create(CommandType.TAKE); // HashMap