diff --git a/ee3_common/com/pahimar/ee3/emc/graph/WeightedDirectedGraph.java b/ee3_common/com/pahimar/ee3/emc/graph/WeightedDirectedGraph.java
new file mode 100644
index 00000000..51565201
--- /dev/null
+++ b/ee3_common/com/pahimar/ee3/emc/graph/WeightedDirectedGraph.java
@@ -0,0 +1,22 @@
+package com.pahimar.ee3.emc.graph;
+
+import java.util.ArrayList;
+import java.util.HashMap;
+import java.util.Iterator;
+import java.util.List;
+import java.util.Map;
+import java.util.SortedSet;
+
+
+public class WeightedDirectedGraph<T, E> implements Iterable<T> {
+
+    private final Map<T, SortedSet<E>> graph = new HashMap<T, SortedSet<E>>();
+    private List<T> orderedNodes = new ArrayList<T>();
+    
+    @Override
+    public Iterator<T> iterator() {
+
+        return orderedNodes.iterator();
+    }
+
+}
diff --git a/ee3_common/com/pahimar/ee3/emc/graph/WeightedEdge.java b/ee3_common/com/pahimar/ee3/emc/graph/WeightedEdge.java
new file mode 100644
index 00000000..a2d41d9e
--- /dev/null
+++ b/ee3_common/com/pahimar/ee3/emc/graph/WeightedEdge.java
@@ -0,0 +1,35 @@
+package com.pahimar.ee3.emc.graph;
+
+
+
+public class WeightedEdge<T> {
+    
+    private int weight;
+    private T target;
+    
+    public WeightedEdge(int weight, T target) {
+        
+        this.weight = weight;
+        this.target = target;
+    }
+    
+    public int getWeight() {
+        
+        return weight;
+    }
+    
+    public T getTarget() {
+        
+        return target;
+    }
+    
+    public void setWeight(int weight) {
+        
+        this.weight = weight;
+    }
+    
+    public void setTarget(T target) {
+        
+        this.target = target;
+    }
+}