Create singleton and connect with datapoint

TODO some test

src/main/java/ch/hevs/isi/db/DatabaseConnector.java

@@ -0,0 +1,32 @@
+package ch.hevs.isi.db;
+
+
+import ch.hevs.isi.core.DataPoint;
+import ch.hevs.isi.core.DataPointListener;
+
+public class DatabaseConnector implements DataPointListener {
+    private static DatabaseConnector  mySelf = null;
+
+    private DatabaseConnector (){
+
+    }
+
+    public static DatabaseConnector  getMySelf(){
+        if (mySelf == null){
+            mySelf = new DatabaseConnector();
+        }
+        return mySelf;
+    }
+    public void initialize(String url){
+
+    }
+
+    private void pushToDatabase(DataPoint dp){
+        System.out.println("To Database: " + dp.toString());
+    }
+
+    @Override
+    public void onNewValue(DataPoint dp) {
+        pushToDatabase(dp);
+    }
+}