Revert "Modified TopoSwitchServiceImpl constructor"

This reverts commit 068d20f1c6c259edfbc953c40d86335ba69018e8.
diff --git a/src/main/java/net/onrc/onos/ofcontroller/core/internal/TopoSwitchServiceImpl.java b/src/main/java/net/onrc/onos/ofcontroller/core/internal/TopoSwitchServiceImpl.java
index 8a7f39c..3a324b1 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/core/internal/TopoSwitchServiceImpl.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/core/internal/TopoSwitchServiceImpl.java
@@ -1,7 +1,6 @@
 package net.onrc.onos.ofcontroller.core.internal;
 
-import net.onrc.onos.graph.DBOperation;
-import net.onrc.onos.graph.GraphDBManager;
+import net.onrc.onos.graph.GraphDBOperation;
 import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.IPortObject;
 import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.ISwitchObject;
 import net.onrc.onos.ofcontroller.core.INetMapTopologyService.ITopoSwitchService;
@@ -11,15 +10,15 @@
 
 public class TopoSwitchServiceImpl implements ITopoSwitchService {
 	
-	private DBOperation dbop;
+	private GraphDBOperation op;
 	protected final static Logger log = LoggerFactory.getLogger(TopoSwitchServiceImpl.class);
 
-	public TopoSwitchServiceImpl(final String dbStore, String conf) {
-		dbop = GraphDBManager.getDBOperation(dbStore, conf);
+	public TopoSwitchServiceImpl(String conf) {
+		op = new GraphDBOperation(conf);
 	}
 
 	public TopoSwitchServiceImpl() {
-		this("","");
+		this("");
 	}
 	
 	public void finalize() {
@@ -28,34 +27,34 @@
 	
 	@Override
 	public void close() {
-		dbop.close();
+		op.close();
 	}
 	
 	@Override
 	public Iterable<ISwitchObject> getActiveSwitches() {
 		// TODO Auto-generated method stub
-		dbop.close(); //Commit to ensure we see latest data
-		return dbop.getActiveSwitches();
+		op.close(); //Commit to ensure we see latest data
+		return op.getActiveSwitches();
 	}
 
 	@Override
 	public Iterable<ISwitchObject> getAllSwitches() {
 		// TODO Auto-generated method stub
-		dbop.close(); //Commit to ensure we see latest data
-		return dbop.getAllSwitches();
+		op.close(); //Commit to ensure we see latest data
+		return op.getAllSwitches();
 	}
 
 	@Override
 	public Iterable<ISwitchObject> getInactiveSwitches() {
 		// TODO Auto-generated method stub
-		dbop.close(); //Commit to ensure we see latest data
-		return dbop.getInactiveSwitches();
+		op.close(); //Commit to ensure we see latest data
+		return op.getInactiveSwitches();
 	}
 
 	@Override
 	public Iterable<IPortObject> getPortsOnSwitch(String dpid) {
-		dbop.close(); //Commit to ensure we see latest data
-		ISwitchObject switchObject = dbop.searchSwitch(dpid);
+		op.close(); //Commit to ensure we see latest data
+		ISwitchObject switchObject = op.searchSwitch(dpid);
 		if (switchObject != null) {
 			return switchObject.getPorts();
 		}