--- a/src/main/java/alice/topology/manager/keeparive/RemoveTask.java	Tue Jul 15 06:15:53 2014 +0900
+++ b/src/main/java/alice/topology/manager/keeparive/RemoveTask.java	Tue Jul 15 16:00:22 2014 +0900
@@ -5,29 +5,29 @@
 import alice.datasegment.Receiver;
 
 public class RemoveTask extends CodeSegment {
-	private Receiver info1 = ids.create(CommandType.TAKE); // list
-	private Receiver info2 = ids.create(CommandType.TAKE); // remove task
+    private Receiver info1 = ids.create(CommandType.TAKE); // list
+    private Receiver info2 = ids.create(CommandType.TAKE); // remove task
 
-	public RemoveTask(){
-		info1.setKey("_WAITINGLIST");
-		info2.setKey("_REMOVETASK");
-	}
+    public RemoveTask(){
+        info1.setKey("_WAITINGLIST");
+        info2.setKey("_REMOVETASK");
+    }
 
-	@Override
-	public void run() {
-		ListManager list = info1.asClass(ListManager.class); // explicit cast
-		TaskInfo task = info2.asClass(TaskInfo.class);
-		TaskExecuter exec = TaskExecuter.getInstance();
-		if (exec.compareNowTask(task)){
-			// case: remove task is state countdown.
-			exec.skip();
-		} else {
-			// case: remove task is still in the waiting queue.
-			boolean removeFlag = list.deleteTask(task);
-			if (!removeFlag){
-				ods.put("_REMOVETASK", task);
-			}
-		}
-		ods.update("_WAITINGLIST", list);
-	}
+    @Override
+    public void run() {
+        ListManager list = info1.asClass(ListManager.class); // explicit cast
+        TaskInfo task = info2.asClass(TaskInfo.class);
+        TaskExecuter exec = TaskExecuter.getInstance();
+        if (exec.compareNowTask(task)){
+            // case: remove task is state countdown.
+            exec.skip();
+        } else {
+            // case: remove task is still in the waiting queue.
+            boolean removeFlag = list.deleteTask(task);
+            if (!removeFlag){
+                ods.put("_REMOVETASK", task);
+            }
+        }
+        ods.update("_WAITINGLIST", list);
+    }
 }