--- a/src/alice/codesegment/InputDataSegment.java	Mon Mar 25 18:49:01 2013 +0900
+++ b/src/alice/codesegment/InputDataSegment.java	Tue Mar 26 01:45:05 2013 +0900
@@ -2,8 +2,6 @@
 
 import java.util.concurrent.atomic.AtomicInteger;
 
-import org.msgpack.type.Value;
-
 import alice.datasegment.Command;
 import alice.datasegment.CommandType;
 import alice.datasegment.DataSegment;
@@ -21,8 +19,6 @@
 	public CodeSegment cs;
 	private AtomicInteger count = new AtomicInteger(1); // 1 for no input data segments
 	private AtomicInteger keyCount = new AtomicInteger(0); // number of DataSegments
-
-	private Command cmd;
 	
 	public InputDataSegment(CodeSegment cs) {
 		this.cs = cs;
@@ -60,16 +56,16 @@
 		DataSegment.getLocal().take(receiver, key, index, cs);
 	}
 	
-	public void flip(CommandType type, String key, Value val,Object obj) {
-		cmd.setElement(type, key, val, obj);
+	public void flip(Command cmd) {
 		DataSegment.getLocal().flip(cmd);
 	}
 
-	public void reply(Receiver receiver, DataSegmentValue val) {
+	public void reply(Receiver receiver, DataSegmentValue val, Command reply) {
 		receiver.index = val.index;
 		receiver.val = val.val;
 		receiver.from = val.from;
 		receiver.obj = val.obj;
+		receiver.setCommand(reply);
 		receive();
 	}
 
@@ -98,15 +94,4 @@
 	public Receiver create(CommandType type) {
 		return new Receiver(this, type);
 	}
-	
-	public void setCommand(Command cmd) {
-		this.cmd = cmd;
-	}
-
-	public void reply(Receiver receiver, int index, Value val, Object obj,
-			String reverseKey) {
-		// TODO Auto-generated method stub
-		
-	}
-
 }