Author: simonetripodi
Date: Sat Jun 11 21:11:27 2011
New Revision: 1134759

URL: http://svn.apache.org/viewvc?rev=1134759&view=rev
Log:
internal UndirectedGraphImpl collections can be final

Modified:
    
commons/sandbox/graph/trunk/src/main/java/org/apache/commons/graph/domain/basic/UndirectedGraphImpl.java

Modified: 
commons/sandbox/graph/trunk/src/main/java/org/apache/commons/graph/domain/basic/UndirectedGraphImpl.java
URL: 
http://svn.apache.org/viewvc/commons/sandbox/graph/trunk/src/main/java/org/apache/commons/graph/domain/basic/UndirectedGraphImpl.java?rev=1134759&r1=1134758&r2=1134759&view=diff
==============================================================================
--- 
commons/sandbox/graph/trunk/src/main/java/org/apache/commons/graph/domain/basic/UndirectedGraphImpl.java
 (original)
+++ 
commons/sandbox/graph/trunk/src/main/java/org/apache/commons/graph/domain/basic/UndirectedGraphImpl.java
 Sat Jun 11 21:11:27 2011
@@ -39,12 +39,12 @@ public class UndirectedGraphImpl<V exten
             MutableGraph<V, WE>,
             InvocationHandler
 {
-    private Set<V> vertices = new HashSet<V>();
-    private Set<WE> edges = new HashSet<WE>();
+    private final Set<V> vertices = new HashSet<V>();
+    private final Set<WE> edges = new HashSet<WE>();
 
-    private Map<WE, Set<V>> edgeVerts = new HashMap<WE, Set<V>>();// EDGE X 
SET( VERTS )
-    private Map<V, Set<WE>> vertEdges = new HashMap<V, Set<WE>>();// VERTEX X 
SET( EDGE )
-    private Map<WE, Number> edgeWeights = new HashMap<WE, Number>(); // EDGE X 
WEIGHT
+    private final Map<WE, Set<V>> edgeVerts = new HashMap<WE, Set<V>>();// 
EDGE X SET( VERTS )
+    private final Map<V, Set<WE>> vertEdges = new HashMap<V, Set<WE>>();// 
VERTEX X SET( EDGE )
+    private final Map<WE, Number> edgeWeights = new HashMap<WE, Number>(); // 
EDGE X WEIGHT
 
     /**
      * Constructor for the UndirectedGraphImpl object


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