Instance -> Data.

src/main/org/insa/algo/AbstractInputData.java

@@ -0,0 +1,22 @@
+package org.insa.algo;
+
+import org.insa.graph.Graph;
+
+public abstract class AbstractInputData {
+
+    protected Graph graph;
+
+    /**
+     * Create a new AbstractInputData instance with the given graph.
+     * 
+     * @param graph
+     */
+    protected AbstractInputData(Graph graph) {
+        this.graph = graph;
+    }
+
+    public Graph getGraph() {
+        return graph;
+    }
+
+}