(no commit message)

[utils] / system / general / src / main / java / org / wamblee / system / graph / DefaultEdge.java

diff --git a/system/general/src/main/java/org/wamblee/system/graph/DefaultEdge.java b/system/general/src/main/java/org/wamblee/system/graph/DefaultEdge.java
index 886186fd7dd31a532661d7042c9655afd10de82b..35d648ff7228d4136733e29820d8e2c3931ca1f0 100644 (file)
--- a/system/general/src/main/java/org/wamblee/system/graph/DefaultEdge.java
+++ b/system/general/src/main/java/org/wamblee/system/graph/DefaultEdge.java
@@ -15,6 +15,13 @@
  */ 
 package org.wamblee.system.graph;
 
+/**
+ * Represents an application-independent edge of a graph. 
+ * Applications might choose to implement the Edge interface
+ * directly. 
+ * 
+ * @author Erik Brakkee
+ */
 public class DefaultEdge implements Edge {
     
     private Node _from; 
@@ -34,5 +41,10 @@ public class DefaultEdge implements Edge {
     public Node getTo() {
         return _to; 
     }
+    
+    @Override
+    public String toString() {
+        return "Edge(" + _from.getName() + ", " + _to.getName() + ")";
+    }
 
 }