--- a/src/main/java/alice/datasegment/ReceiveLocalData.java	Tue Oct 28 17:24:16 2014 +0900
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,48 +0,0 @@
-package alice.datasegment;
-
-import java.io.IOException;
-
-import org.msgpack.type.Value;
-
-import alice.codesegment.SingletonMessage;
-import alice.datasegment.ReceiverData;
-
-public class ReceiveLocalData implements ReceiverData {
-    private Object obj;
-
-    public ReceiveLocalData(Object obj) {
-        this.obj = obj;
-    }
-
-    public String asString() {
-        return (String) obj;
-    }
-
-    public int asInteger() {
-        return (Integer) obj;
-    }
-
-    public Float asFloat() {
-        return (Float) obj;
-    }
-
-    @SuppressWarnings("unchecked")
-    public <T> T asClass(Class<T> clazz) {
-        return (T) obj;
-
-    }
-
-    public Value getVal() {
-        try {
-            return SingletonMessage.getInstance().unconvert(obj);
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        return null;
-    }
-
-    public Object getObj() {
-        return obj;
-    }
-
-}

--- a/src/main/java/alice/datasegment/ReceiveRemoteData.java	Tue Oct 28 17:24:16 2014 +0900
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,49 +0,0 @@
-package alice.datasegment;
-
-import java.io.IOException;
-
-import org.msgpack.type.Value;
-import alice.codesegment.SingletonMessage;
-
-public class ReceiveRemoteData implements ReceiverData {
-    public byte[] val; // serialized with MessagePack. need decode
-
-    public ReceiveRemoteData() {}
-
-    public ReceiveRemoteData(byte[] val) {
-        this.val = val;
-    }
-
-    public String asString() {
-        return asClass(String.class);
-    }
-
-    public int asInteger() {
-        Integer num = asClass(Integer.class);
-        return num!=null ? num : 0;
-    }
-
-    public Float asFloat() {
-        Float num = asClass(Float.class);
-        return num!=null ? num : 0.0f;
-    }
-
-    public <T> T asClass(Class<T> clazz) {
-        try {
-            return SingletonMessage.getInstance().read(val, clazz);
-        } catch (IOException e) {
-            e.printStackTrace();
-        }
-        return null;
-
-    }
-
-    public Value getVal() {
-        return asClass(Value.class);
-    }
-
-    public Object getObj() {
-        return val;
-    }
-
-}
\ No newline at end of file

--- a/src/main/java/alice/datasegment/ReceiverData.java	Tue Oct 28 17:24:16 2014 +0900
+++ /dev/null	Thu Jan 01 00:00:00 1970 +0000
@@ -1,14 +0,0 @@
-package alice.datasegment;
-
-import org.msgpack.type.Value;
-
-public interface ReceiverData {
-
-    public String asString();
-    public int asInteger();
-    public Float asFloat() ;
-    public <T> T asClass(Class<T> clazz);
-    public Value getVal();
-    public Object getObj();
-
-}
\ No newline at end of file