--- a/src/alice/jungle/operations/NetworkAppendChildAtOperation.java	Tue Oct 15 16:01:11 2013 +0900
+++ b/src/alice/jungle/operations/NetworkAppendChildAtOperation.java	Wed Oct 16 17:24:15 2013 +0900
@@ -16,8 +16,8 @@
 @Message
 public class NetworkAppendChildAtOperation implements NodeOperation {
 	
+	/* MessagePack cannot handle final.*/
 	//	private final int pos;
-	/* MessagePack cannot handle final.*/
 	private int pos;
 	
 	/* Position -1 represent root position. */

--- a/src/alice/jungle/operations/NetworkNodeOperation.java	Tue Oct 15 16:01:11 2013 +0900
+++ b/src/alice/jungle/operations/NetworkNodeOperation.java	Wed Oct 16 17:24:15 2013 +0900
@@ -7,47 +7,64 @@
 
 import org.msgpack.annotation.Message;
 
-
 @Message
 public class NetworkNodeOperation {
 
 	public int pos;
-	public String key = null;
-	public ByteBuffer value = null;
-	public Command command = null;
+	public String key;
+	public ByteBuffer value;
+	public int commandType;
 
 	public NetworkNodeOperation() {
 		pos = -2;
+		key = null;
+		value = null;
+		commandType = 0;
 	}
 	
 	public NetworkNodeOperation(NodeOperation _op) {
 		pos = _op.getPosition();
 		key = _op.getKey();
 		value = _op.getValue();
-		command= _op.getCommand();
-		
+		commandType = getCommandType(_op.getCommand());
 	}
 	
-	public NetworkNodeOperation(int _pos, Command _command) {
-		pos = _pos;
-		command = _command;
+	public static int getCommandType(Command c) {
+		switch(c) {
+		case PUT_ATTRIBUTE:
+			return 1;
+		case APPEND_CHILD:
+			return 2;
+		case DELETE_CHILD:
+			return 3;
+		case DELETE_ATTRIBUTE:
+			return 4;
+		default:
+			break;
+		}
+		return 0;
 	}
 	
-	public NetworkNodeOperation(String _key, Command _command) {
-		key = _key;
-		command = _command;
+	public static Command getCommand(int num) {
+		switch(num) {
+		case 1:
+			return Command.PUT_ATTRIBUTE;
+		case 2:
+			return Command.APPEND_CHILD;
+		case 3:
+			return Command.DELETE_CHILD;
+		case 4:
+			return Command.DELETE_ATTRIBUTE;
+		default:
+			break;
+		}
+		return null;
 	}
 	
-	public NetworkNodeOperation(String _key, ByteBuffer _value, Command _command) {
-		key = _key;
-		value = _value;
-		command = _command;
+	public Command getCommand() {
+		return getCommand(commandType);
 	}
 
-	public NetworkNodeOperation(Command _command) {
-		command = _command;
-	}
-	
 	public int getPosition() {
 		return pos;
 	}
@@ -60,7 +77,4 @@
 		return value;
 	}
 
-	public Command getCommand() {
-		return command;
-	}
 }

--- a/src/alice/jungle/operations/NetworkPutAttributeOperation.java	Tue Oct 15 16:01:11 2013 +0900
+++ b/src/alice/jungle/operations/NetworkPutAttributeOperation.java	Wed Oct 16 17:24:15 2013 +0900
@@ -13,8 +13,9 @@
 @Message
 public class NetworkPutAttributeOperation  implements NodeOperation
 {
-	/* MessagePack cannot handle final.*/
-/*
+	
+/*  MessagePack cannot handle final.
+ *
  *	private final String key;
  *	private final ByteBuffer value;
  */

--- a/src/test/alice/jungle/core/operations/NetworkAppendChildOperationTest.java	Tue Oct 15 16:01:11 2013 +0900
+++ b/src/test/alice/jungle/core/operations/NetworkAppendChildOperationTest.java	Wed Oct 16 17:24:15 2013 +0900
@@ -19,6 +19,5 @@
 		assertEquals(op.getCommand(), mOp.getCommand());
 		assertEquals(op.getPosition(), 1);
 		assertEquals(op.getPosition(), mOp.getPosition());
-
 	}
 }

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/test/alice/jungle/core/operations/NetworkNodeOperationTest.java	Wed Oct 16 17:24:15 2013 +0900
@@ -0,0 +1,25 @@
+package test.alice.jungle.core.operations;
+
+import java.io.IOException;
+
+import org.msgpack.MessagePack;
+import org.msgpack.type.Value;
+
+import alice.jungle.operations.NetworkAppendChildAtOperation;
+import alice.jungle.operations.NetworkNodeOperation;
+import junit.framework.TestCase;
+
+public class NetworkNodeOperationTest extends TestCase {
+	
+	public void testMsgpackConvert() throws IOException {
+		NetworkAppendChildAtOperation op = new NetworkAppendChildAtOperation(1);
+		NetworkNodeOperation nOp = new NetworkNodeOperation(op);
+		MessagePack msgpack = new MessagePack();
+		Value v = msgpack.unconvert(nOp);
+		NetworkNodeOperation mOp = msgpack.convert(v, NetworkNodeOperation.class);
+		assertEquals(op.getCommand(), mOp.getCommand());
+		assertEquals(op.getPosition(), 1);
+		assertEquals(op.getPosition(), mOp.getPosition());
+	}
+
+}

--- a/src/test/alice/jungle/core/operations/NetworkPutAttributeOperationTest.java	Tue Oct 15 16:01:11 2013 +0900
+++ b/src/test/alice/jungle/core/operations/NetworkPutAttributeOperationTest.java	Wed Oct 16 17:24:15 2013 +0900
@@ -6,7 +6,6 @@
 import org.msgpack.MessagePack;
 import org.msgpack.type.Value;
 
-import alice.jungle.operations.NetworkAppendChildAtOperation;
 import alice.jungle.operations.NetworkPutAttributeOperation;
 import junit.framework.TestCase;
 

--- a/src/test/alice/jungle/core/operations/NetworknodeOperationTest.java	Tue Oct 15 16:01:11 2013 +0900
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,26 +0,0 @@
-package test.alice.jungle.core.operations;
-
-import java.io.IOException;
-
-import org.msgpack.MessagePack;
-import org.msgpack.type.Value;
-
-import alice.jungle.operations.NetworkAppendChildAtOperation;
-import alice.jungle.operations.NetworkNodeOperation;
-import junit.framework.TestCase;
-
-public class NetworknodeOperationTest extends TestCase {
-	
-	public void testMsgpackConvert() throws IOException {
-		NetworkAppendChildAtOperation op = new NetworkAppendChildAtOperation(1);
-		NetworkNodeOperation nOp = new NetworkNodeOperation(op);
-		MessagePack msgpack = new MessagePack();
-		Value v = msgpack.unconvert(nOp);
-		NetworkNodeOperation mOp = msgpack.convert(v, NetworkNodeOperation.class);
-		assertEquals(op.getCommand(), mOp.getCommand());
-		assertEquals(op.getPosition(), 1);
-		assertEquals(op.getPosition(), mOp.getPosition());
-
-	}
-
-}