1 files changed, 77 insertions, 0 deletions
diff --git a/dmc2012_task/SimpleAgent.java b/dmc2012_task/SimpleAgent.java
new file mode 100644
index 0000000..a33e9c5
--- /dev/null
+++ b/dmc2012_task/SimpleAgent.java
@@ -0,0 +1,77 @@
+import java.math.BigDecimal;
+import java.util.ArrayList;
+import java.util.List;
+
+/**
+ * Sample implementation of a pricing agent.
+ * 
+ * Chooses the mean of the the competitor prices of the last period as its own
+ * price.
+ * 
+ */
+public class SimpleAgent implements ShopAgentInterface {
+
+    // list to store the prices of the competitors
+    List<Double>  allPrices;
+
+    // constants
+    static double p_uvp    = 15.0;
+    static double p_max    = 1.5 * p_uvp;
+    static double p_ek     = 10.0;
+
+    /**
+     * Constructor.
+     * 
+     * Instantiates the price list.
+     */
+    public SimpleAgent() {
+        allPrices = new ArrayList<Double>();
+    }
+
+    public double getPrice() throws Exception {
+        
+        // our price
+        double ownPrice;
+        
+        // calculate the price; if first period choose p_uvp
+        if (allPrices.size() == 0) {
+            ownPrice = p_uvp;
+        } else {
+            ownPrice = getMeanPrice();
+        }
+
+        // map to p_max or p_min if needed
+        if (ownPrice >= p_max)
+            ownPrice = p_max - 0.5;
+        if (ownPrice <= p_ek)
+            ownPrice = 10.5;
+
+        // round the price according to the requirements
+        BigDecimal bd = new BigDecimal(ownPrice);
+        ownPrice = bd.setScale(2, BigDecimal.ROUND_HALF_UP).doubleValue();
+        
+        return ownPrice;
+    }
+
+    public void parseSales(int sales) throws Exception {
+    }
+
+    public void parsePrices(List<Double> prices) throws Exception {
+        allPrices = prices;
+    }
+
+    /**
+     * Get the mean price.
+     * 
+     * @return mean of allPrices
+     */
+    private double getMeanPrice() {
+        double s = 0.0;
+        for (int i = 0; i < allPrices.size(); i++) {
+            s = s + allPrices.get(i);
+        }
+        s = s / allPrices.size();
+        return s;
+    }
+
+}