svn commit: r1134830 - /commons/sandbox/graph/trunk/src/main/java/org/apache/commons/graph/decorator/DDirectedGraph.java

[simonetripodi]

Author: simonetripodi
Date: Sat Jun 11 23:44:53 2011
New Revision: 1134830

URL: http://svn.apache.org/viewvc?rev=1134830&view=rev
Log:
fields made final, where possible

Modified:
    
commons/sandbox/graph/trunk/src/main/java/org/apache/commons/graph/decorator/DDirectedGraph.java

Modified: 
commons/sandbox/graph/trunk/src/main/java/org/apache/commons/graph/decorator/DDirectedGraph.java
URL: 
http://svn.apache.org/viewvc/commons/sandbox/graph/trunk/src/main/java/org/apache/commons/graph/decorator/DDirectedGraph.java?rev=1134830&r1=1134829&r2=1134830&view=diff
==============================================================================
--- 
commons/sandbox/graph/trunk/src/main/java/org/apache/commons/graph/decorator/DDirectedGraph.java
 (original)
+++ 
commons/sandbox/graph/trunk/src/main/java/org/apache/commons/graph/decorator/DDirectedGraph.java
 Sat Jun 11 23:44:53 2011
@@ -43,11 +43,11 @@ public class DDirectedGraph<V extends Ve
     implements DirectedGraph<V, WE>, WeightedGraph<V, WE>
 {
 
-    private WeightedGraph<V, WE> weighted;
+    private final WeightedGraph<V, WE> weighted;
 
     private Map<WE, Number> weights = new HashMap<WE, Number>();// EDGE X 
DOUBLE
 
-    private static Map decoratedGraphs = new HashMap();// DGRAPH X DDGRAPH
+    private static final Map decoratedGraphs = new HashMap();// DGRAPH X 
DDGRAPH
 
     private AllPairsShortestPath allPaths = null;
 
@@ -64,6 +64,10 @@ public class DDirectedGraph<V extends Ve
         {
             weighted = (WeightedGraph<V, WE>) impl;
         }
+        else
+        {
+            weighted = null;
+        }
     }
 
     /**