Minor fixes to member names and functions for consistent naming.

src/main/java/net/floodlightcontroller/topology/internal/TopologyImpl.java

@@ -1061,7 +1061,7 @@ public class TopologyImpl implements IOFMessageListener, IOFSwitchListener,
         //Assign the DFS object with right values.
         currDFS.setVisited(true);
         currDFS.setDfsIndex(currIndex);
-        currDFS.setParentDfsIndex(parentIndex);
+        currDFS.setParentDFSIndex(parentIndex);
         currIndex++;
 
         // Traverse the graph through every outgoing link.
@@ -1104,7 +1104,7 @@ public class TopologyImpl implements IOFMessageListener, IOFSwitchListener,
         // If the node's lowpoint is greater than its parent's DFS index,
         // we need to form a new cluster with all the switches in the 
         // currSet.
-        if (currDFS.getLowpoint() > currDFS.getParentDfsIndex()) {
+        if (currDFS.getLowpoint() > currDFS.getParentDFSIndex()) {
             // The cluster thus far forms a strongly connected component.
             // create a new switch cluster and the switches in the current
             // set to the switch cluster.

src/main/java/net/floodlightcontroller/util/ClusterDFS.java

@@ -2,7 +2,7 @@ package net.floodlightcontroller.util;
 
 public class ClusterDFS {
     long dfsIndex;
-    long parentDfsIndex;
+    long parentDFSIndex;
     long lowpoint;
     boolean visited; 
 
@@ -20,13 +20,6 @@ public class ClusterDFS {
         this.dfsIndex = dfsIndex;
     }
 
-    public long getParentDfsIndex() {
-        return parentDfsIndex;
-    }
-
-    public void setParentDfsIndex(long parentDfsIndex) {
-        this.parentDfsIndex = parentDfsIndex;
-    }
     public long getLowpoint() {
         return lowpoint;
     }
@@ -43,5 +36,13 @@ public class ClusterDFS {
         this.visited = visited;
     }
 
+    public long getParentDFSIndex() {
+        return parentDFSIndex;
+    }
+
+    public void setParentDFSIndex(long parentDFSIndex) {
+        this.parentDFSIndex = parentDFSIndex;
+    }
+
 
 }