Implement evaluator that reads weights from file and returns value

src/BaseEvaluator.java

@@ -0,0 +1,29 @@
+
+public class BaseEvaluator implements Evaluator{
+
+    WeightsParser wp;
+    String file;
+    double[] weights;
+
+    public BaseEvaluator(String file){
+        this.wp = new WeightsParser();
+        this.file = file;
+        this.weights = this.wp.getWeights(file);
+    }
+
+    private double dot(double[] a1, double[] a2){
+        double res = 0;
+        for(int i = 0; i < a1.length; i++){
+            res += (a1[i] * a2[i]);
+        }
+        return res;
+    }
+
+    public double evaluate(CheckersGameState s, int player){
+        double[] params = s.getFeatures(player);
+        return dot(this.weights, params);
+    }
+
+
+}
+

src/CheckersGameState.java

@@ -5,4 +5,5 @@ List < Move > actions ();
 CheckersGameState result ( Move x );
 boolean isTerminal();
 void printState ();
+public double[] getFeatures(int player);
 }