diff --git a/src/main/java/net/onrc/onos/util/GraphDBUtils.java b/src/main/java/net/onrc/onos/util/GraphDBUtils.java
new file mode 100644
index 0000000..8bb83ea
--- /dev/null
+++ b/src/main/java/net/onrc/onos/util/GraphDBUtils.java
@@ -0,0 +1,59 @@
+package net.onrc.onos.util;
+
+import com.thinkaurelius.titan.core.TitanGraph;
+import com.thinkaurelius.titan.graphdb.transaction.VertexIterable;
+import com.tinkerpop.blueprints.Vertex;
+import com.tinkerpop.frames.FramedGraph;
+import com.tinkerpop.frames.FramedVertexIterable;
+import com.tinkerpop.gremlin.java.GremlinPipeline;
+
+import net.floodlightcontroller.core.INetMapTopologyObjects.IDeviceObject;
+import net.floodlightcontroller.core.INetMapTopologyObjects.IPortObject;
+import net.floodlightcontroller.core.INetMapTopologyObjects.ISwitchObject;
+import net.floodlightcontroller.routing.Link;
+
+public class GraphDBUtils implements IDBUtils {
+
+	@Override
+	public ISwitchObject searchSwitch(GraphDBConnection conn, String dpid) {
+		// TODO Auto-generated method stub
+		FramedGraph<TitanGraph> fg = conn.getFramedGraph();
+		
+		return fg.getVertices("dpid",dpid).iterator().hasNext() ? 
+				fg.getVertices("dpid",dpid,ISwitchObject.class).iterator().next() : null;
+    			
+	}
+
+	@Override
+	public IDeviceObject searchDevice(GraphDBConnection conn, String macAddr) {
+		// TODO Auto-generated method stub
+		FramedGraph<TitanGraph> fg = conn.getFramedGraph();	
+		return fg.getVertices("dl_address",macAddr).iterator().hasNext() ? fg.getVertices("dl_address",macAddr,
+    			IDeviceObject.class).iterator().next() : null;
+    			
+	}
+
+	@Override
+	public IPortObject searchPort(GraphDBConnection conn, String dpid, short number) {
+		ISwitchObject sw = searchSwitch(conn, dpid);
+		GremlinPipeline<Vertex, IPortObject> pipe = new GremlinPipeline<Vertex, IPortObject>();
+		pipe.start(sw.asVertex());
+	    pipe.out("on").has("number", number);
+	    FramedVertexIterable<IPortObject> r = new FramedVertexIterable(conn.getFramedGraph(), pipe, IPortObject.class);
+	    return r.iterator().hasNext() ? r.iterator().next() : null;		
+	}
+
+	@Override
+	public IDeviceObject newDevice(GraphDBConnection conn) {
+		FramedGraph<TitanGraph> fg = conn.getFramedGraph();	
+		IDeviceObject obj = fg.addVertex(null,IDeviceObject.class);
+		return obj;
+	}
+
+	@Override
+	public void removeDevice(GraphDBConnection conn, IDeviceObject dev) {
+		FramedGraph<TitanGraph> fg = conn.getFramedGraph();	
+		fg.removeVertex(dev.asVertex());		
+	}
+
+}