--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/main/java/alice/test/topology/aquarium/FishPoint.java	Wed Apr 16 18:26:07 2014 +0900
@@ -0,0 +1,48 @@
+package alice.test.topology.aquarium;
+
+import org.msgpack.annotation.Message;
+
+@Message
+public class FishPoint {
+	// public fields are serialized.
+	public float x = 0.0f;
+	public float y = 0.0f;
+	public float z = 0.0f;
+	
+	public FishPoint(){}
+	
+	public FishPoint(float x,float y){
+		this.x = x;
+		this.y = y;
+	}
+	
+	public FishPoint(float x,float y,float z){
+		this.x = x;
+		this.y = y;
+		this.z = z;
+	}
+	
+	public void setXY(float x,float y){
+		this.x = x;
+		this.y = y;
+	}
+	
+	public void setXYZ(float x,float y,float z){
+		this.x = x;
+		this.y = y;
+		this.z = z;
+	}
+	
+	public float getX(){
+		return this.x;
+	}
+	
+	public float getY(){
+		return this.y;
+	}
+	
+	public float getZ(){
+		return this.z;
+	}
+	
+}