--- a/src/main/java/alice/topology/manager/CheckComingHost.java	Wed Feb 10 20:55:51 2016 +0900
+++ b/src/main/java/alice/topology/manager/CheckComingHost.java	Mon Feb 15 01:16:35 2016 +0900
@@ -2,6 +2,7 @@
 
 import java.util.HashMap;
 import alice.codesegment.CodeSegment;
+import alice.codesegment.MetaCodeSegment;
 import alice.datasegment.CommandType;
 import alice.datasegment.Receiver;
 import alice.topology.HostMessage;
@@ -9,7 +10,7 @@
 /**
  * This class check hash and put "newHost"(host info) for CreateTopology when putted "host"(join request) from topology node
  */
-public class CheckComingHost extends CodeSegment {
+public class CheckComingHost extends MetaCodeSegment {
     // checkIncomingHost
     private Receiver host = ids.create(CommandType.TAKE);
     private Receiver absCookieTable = ids.create(CommandType.PEEK); // cookie, AbsName HashMap