--- a/src/main/java/christie/topology/node/TopologyNode.java	Fri Aug 24 11:11:21 2018 +0900
+++ b/src/main/java/christie/topology/node/TopologyNode.java	Fri Aug 24 11:12:20 2018 +0900
@@ -12,20 +12,20 @@
 public class TopologyNode extends CodeGear{
 
     private final String manager;
-    private final String local;
-    private TopologyNodeConfig conf;
+    private TopologyNodeConfig topologyNodeConfig;
     private CodeGear startCS;
 
     public TopologyNode(TopologyNodeConfig conf, CodeGear startCS) {
-        this.conf = conf;
+        this.topologyNodeConfig = conf;
         this.startCS = startCS;
         this.manager = conf.getManagerKey();
-        this.local = conf.getLocalKey();
     }
 
     @Override
     protected void run(CodeGearManager cgm) {
-        cgm.createRemoteDGM(manager, conf.getManagerHostName(), conf.getManagerPort());
+        cgm.createRemoteDGM(manager,
+                            topologyNodeConfig.getManagerHostName(),
+                            topologyNodeConfig.getManagerPort());
         String localHostName = null;
         try {
             localHostName = InetAddress.getLocalHost().getHostAddress();
@@ -35,18 +35,18 @@
         cgm.setup(new SaveCookie());
         if (cgm.localPort == 0) {
             // local test mode
-            localHostName = conf.getLocalKey();
+            localHostName = topologyNodeConfig.getLocalKey();
         }
-        getLocalDGM().put("config" , conf );
+        getLocalDGM().put("config" , topologyNodeConfig);
 
         HostMessage host = new HostMessage(localHostName, cgm.localPort);
-        host.cookie = conf.cookie;
+        host.cookie = topologyNodeConfig.cookie;
         getDGM(manager).put("hostMessage", host);
 
         getLocalDGM().put("_CLIST", new ArrayList<String>());
         //getDGM(local).put("_CLIST", new ArrayList<String>());
 
-        cgm.setup(new IncomingAbstractHostName(conf));
+        cgm.setup(new IncomingAbstractHostName(topologyNodeConfig));
 
         cgm.setup(new IncomingReverseKey());