X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2Fgraph%2FDefaultEdge.java;h=29220498eeeb09834346ca87b0080c5b22696967;hb=92e23e5ecf9614f2ab770a8cdedc0b21ddf1e127;hp=886186fd7dd31a532661d7042c9655afd10de82b;hpb=436718e7b7ee0bb9f37db496dbde5c011d5f84e3;p=utils

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 886186fd..29220498 100644
--- a/system/general/src/main/java/org/wamblee/system/graph/DefaultEdge.java
+++ b/system/general/src/main/java/org/wamblee/system/graph/DefaultEdge.java
@@ -15,24 +15,36 @@
  */ 
 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; 
-    private Node _to; 
+    private Node from; 
+    private Node to; 
     
     public DefaultEdge(Node aFrom, Node aTo) { 
-        _from = aFrom;
-        _to = aTo; 
+        from = aFrom;
+        to = aTo; 
     }
 
     @Override
     public Node getFrom() {
-        return _from;
+        return from;
     }
 
     @Override
     public Node getTo() {
-        return _to; 
+        return to; 
+    }
+    
+    @Override
+    public String toString() {
+        return "Edge(" + from.getName() + ", " + to.getName() + ")";
     }
 
 }