X-Git-Url: http://wamblee.org/gitweb/?a=blobdiff_plain;f=system%2Fgeneral%2Fsrc%2Fmain%2Fjava%2Forg%2Fwamblee%2Fsystem%2Fgraph%2FDefaultEdge.java;h=f44d29936f837dea23d3d6d11466d8b03c19fb32;hb=8de36ff0206c996baf3ee4adc3e2293b12ff5f39;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..f44d2993 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
@@ -1,38 +1,52 @@
 /*
  * Copyright 2008 the original author or authors.
- * 
+ *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
- */ 
+ */
 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; 
-    
-    public DefaultEdge(Node aFrom, Node aTo) { 
-        _from = aFrom;
-        _to = aTo; 
+    private Node from;
+
+    private Node to;
+
+    /**
+     * Creates a new DefaultEdge object.
+     * 
+     */
+    public DefaultEdge(Node aFrom, Node 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() + ")";
+    }
 }