Changed signals

src/main/java/se/koc/trader/api/Signal.java

@@ -1,9 +1,9 @@
-package se.koc.trader.signal;
+package se.koc.trader.api;
 
 /**
  * Generic interface representing historical analytics.
  */
-public class Analytics {
+public interface Signal {
 
 
 }

src/main/java/se/koc/trader/signal/MovingAverage.java

@@ -1,4 +1,6 @@
 package se.koc.trader.signal;
 
-public class MovingAverage {
+import se.koc.trader.api.Signal;
+
+public class MovingAverage implements Signal {
 }

src/main/java/se/koc/trader/signal/SmoothedMovingAverage.java

@@ -0,0 +1,6 @@
+package se.koc.trader.signal;
+
+import se.koc.trader.api.Signal;
+
+public class SmoothedMovingAverage implements Signal {
+}

src/main/java/se/koc/trader/signal/SmothedMovingAverage.java

@@ -1,4 +0,0 @@
-package se.koc.trader.signal;
-
-public class SmothedMovingAverage {
-}

src/main/java/se/koc/trader/signal/WeightedMovingAverage.java

@@ -1,4 +1,6 @@
 package se.koc.trader.signal;
 
-public class WeightedMovingAverage {
+import se.koc.trader.api.Signal;
+
+public class WeightedMovingAverage implements Signal {
 }