--- a/.settings/org.eclipse.core.resources.prefs	Tue Nov 26 17:40:00 2013 +0900
+++ b/.settings/org.eclipse.core.resources.prefs	Tue Nov 26 18:20:18 2013 +0900
@@ -4,4 +4,4 @@
 encoding//src/alice/test/codesegment/local/wordcount/WordCount.java=UTF-8
 encoding//src/alice/topology/manager/IncomingHosts.java=UTF-8
 encoding//src/alice/topology/manager/createABSIPList.java=UTF-8
-encoding//src/alice/topology/manager/keeparive/PingScheduler.java=UTF-8
+encoding//src/alice/topology/manager/keeparive/SendPing.java=UTF-8

--- a/src/alice/topology/manager/keeparive/CreateSchedule.java	Tue Nov 26 17:40:00 2013 +0900
+++ b/src/alice/topology/manager/keeparive/CreateSchedule.java	Tue Nov 26 18:20:18 2013 +0900
@@ -19,7 +19,7 @@
 	public void run() {
 		ListManager manager = info1.asClass(ListManager.class);
 		TaskInfo newTask = info2.asClass(TaskInfo.class);
-		PingScheduler ps = PingScheduler.getInstance();
+		SendPing ps = SendPing.getInstance();
 		TaskInfo nowTask = ps.getNowTask();
 		LinkedList<TaskInfo> list = manager.getTaskList();
 		if (nowTask.getManagerKey().equals(newTask.getManagerKey())){

--- a/src/alice/topology/manager/keeparive/PingScheduler.java	Tue Nov 26 17:40:00 2013 +0900
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,54 +0,0 @@
-package alice.topology.manager.keeparive;
-
-import alice.codesegment.CodeSegment;
-import alice.datasegment.CommandType;
-import alice.datasegment.Receiver;
-
-public class PingScheduler extends CodeSegment{
-	private Receiver info = ids.create(CommandType.TAKE);
-	private TaskInfo nowTask;
-	private boolean interruptFlag = false;
-	private long time = 0;
-
-	static class SingletonHolder {
-		private static PingScheduler Instance = new PingScheduler();		
-	}
-	public static PingScheduler getInstance(){
-		return SingletonHolder.Instance;
-	}
-	public void setKey(){
-		info.setKey("_WAITINGLIST");
-	}
-	
-	@Override
-	public synchronized void run() {
-		ListManager list = info.asClass(ListManager.class);
-		try {
-			nowTask = list.getTaskList().pollFirst();
-			ods.update("_WAITINGLIST", list);
-			time = System.currentTimeMillis();
-			if (nowTask.getSleepTime()!=0)
-				this.wait(nowTask.getSleepTime());
-			if (interruptFlag){				
-				interruptFlag = false;
-			} else {
-				ods.ping(nowTask.getManagerKey(), nowTask.getReturnKey());
-			}
-		} catch (InterruptedException e) {		
-		}
-		PingScheduler.getInstance().setKey();
-	}
-	public synchronized void interrupt(){
-		interruptFlag = true;
-		notify();
-	}
-	
-	public TaskInfo getNowTask() {
-		return nowTask;
-	}
-	
-	public long getTime(){
-		return time;
-	}
-}
-

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/alice/topology/manager/keeparive/SendPing.java	Tue Nov 26 18:20:18 2013 +0900
@@ -0,0 +1,54 @@
+package alice.topology.manager.keeparive;
+
+import alice.codesegment.CodeSegment;
+import alice.datasegment.CommandType;
+import alice.datasegment.Receiver;
+
+public class SendPing extends CodeSegment{
+	private Receiver info = ids.create(CommandType.TAKE);
+	private TaskInfo nowTask;
+	private boolean interruptFlag = false;
+	private long time = 0;
+
+	static class SingletonHolder {
+		private static SendPing Instance = new SendPing();		
+	}
+	public static SendPing getInstance(){
+		return SingletonHolder.Instance;
+	}
+	public void setKey(){
+		info.setKey("_WAITINGLIST");
+	}
+	
+	@Override
+	public synchronized void run() {
+		ListManager list = info.asClass(ListManager.class);
+		try {
+			nowTask = list.getTaskList().pollFirst();
+			ods.update("_WAITINGLIST", list);
+			time = System.currentTimeMillis();
+			if (nowTask.getSleepTime()!=0)
+				this.wait(nowTask.getSleepTime());
+			if (interruptFlag){				
+				interruptFlag = false;
+			} else {
+				ods.ping(nowTask.getManagerKey(), nowTask.getReturnKey());
+			}
+		} catch (InterruptedException e) {		
+		}
+		SendPing.getInstance().setKey();
+	}
+	public synchronized void interrupt(){
+		interruptFlag = true;
+		notify();
+	}
+	
+	public TaskInfo getNowTask() {
+		return nowTask;
+	}
+	
+	public long getTime(){
+		return time;
+	}
+}
+