--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/alice/jungle/operations/NetworkDeleteAttributeOperation.java	Tue Oct 15 09:13:18 2013 +0900
@@ -0,0 +1,60 @@
+package alice.jungle.operations;
+
+import java.nio.ByteBuffer;
+
+import org.msgpack.annotation.Message;
+
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.Command;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.operations.NodeOperation;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.DeleteAttribute;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.store.trasnformer.EditableNode;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Either;
+import jp.ac.u_ryukyu.ie.cr.shoshi.jungle.util.Error;
+
+@Message
+public class NetworkDeleteAttributeOperation implements NodeOperation
+{
+	//private final String key;
+	private String key;
+	
+	public NetworkDeleteAttributeOperation()
+	{
+		key = null;
+	}
+	
+	public NetworkDeleteAttributeOperation(String _key)
+	{
+		key = _key;
+	}
+	
+	@Override
+	public Command getCommand()
+	{
+		return Command.DELETE_ATTRIBUTE;
+	}
+	
+	@Override
+	public <T extends EditableNode<T>> Either<Error, T> invoke(T _target)
+	{
+		DeleteAttribute deleteAttribute = new DeleteAttribute(key);
+		return deleteAttribute.edit(_target);
+	}
+
+	@Override
+	public int getPosition()
+	{
+		return -1;
+	}
+
+	@Override
+	public String getKey()
+	{
+		return key;
+	}
+
+	@Override
+	public ByteBuffer getValue()
+	{
+		return null;
+	}
+}

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/test/alice/jungle/core/operations/NetworkDeleteAttributeOprationTest.java	Tue Oct 15 09:13:18 2013 +0900
@@ -0,0 +1,24 @@
+package test.alice.jungle.core.operations;
+
+import java.io.IOException;
+
+import org.msgpack.MessagePack;
+import org.msgpack.type.Value;
+
+import alice.jungle.operations.NetworkDeleteAttributeOperation;
+import junit.framework.TestCase;
+
+public class NetworkDeleteAttributeOprationTest extends TestCase {
+
+	public void testMsgpackConvert() throws IOException {
+		NetworkDeleteAttributeOperation op = new NetworkDeleteAttributeOperation("hoge");
+		MessagePack msgpack = new MessagePack();
+		Value v = msgpack.unconvert(op);
+		NetworkDeleteAttributeOperation mOp = msgpack.convert(v, NetworkDeleteAttributeOperation.class);
+		assertEquals(op.getCommand(), mOp.getCommand());
+		assertEquals(mOp.getKey(), "hoge");
+
+	}
+	
+	
+}