rename onos.util to onos.graph
diff --git a/src/main/java/net/onrc/onos/graph/LocalTopologyEventListener.java b/src/main/java/net/onrc/onos/graph/LocalTopologyEventListener.java
new file mode 100644
index 0000000..f83e7c2
--- /dev/null
+++ b/src/main/java/net/onrc/onos/graph/LocalTopologyEventListener.java
@@ -0,0 +1,104 @@
+package net.onrc.onos.graph;
+
+import net.onrc.onos.flow.FlowManagerImpl;
+import net.onrc.onos.flow.IFlowManager;
+import net.onrc.onos.ofcontroller.core.INetMapTopologyObjects.IPortObject;
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import com.thinkaurelius.titan.core.TitanEdge;
+import com.tinkerpop.blueprints.Direction;
+import com.tinkerpop.blueprints.Edge;
+import com.tinkerpop.blueprints.Vertex;
+
+public class LocalTopologyEventListener implements LocalGraphChangedListener {
+	
+	protected static Logger log = LoggerFactory.getLogger(LocalTopologyEventListener.class);
+	protected static GraphDBConnection conn;
+	
+	public LocalTopologyEventListener(GraphDBConnection conn) {
+		LocalTopologyEventListener.conn = conn;		
+	}
+
+	@Override
+	public void edgeAdded(Edge arg0) {
+		// TODO Auto-generated method stub
+		// Convert this Event into NetMapEvent (LinkAdded, FlowEntryEnabled, HostAttached, PortEnabled)
+	}
+
+
+	@Override
+	public void edgePropertyRemoved(Edge arg0, String arg1, Object arg2) {
+		// TODO Auto-generated method stub
+		// Currently not needed
+
+	}
+
+	@Override
+	public void edgeRemoved(Edge e) {
+		// TODO Auto-generated method stub
+		// Fire NetMapEvents (LinkRemoved, FlowEntryRemoved, HostRemoved, PortRemoved)
+		TitanEdge edge = (TitanEdge) e;
+		log.debug("TopologyEvents: Received edge removed event: {}",edge.toString());
+		String label = edge.getLabel();
+		if (label.equals("link")) {
+			Vertex v = edge.getVertex(Direction.IN);
+			IPortObject src_port = conn.getFramedGraph().frame(v, IPortObject.class);
+			v = edge.getVertex(Direction.OUT);
+			IPortObject dest_port = conn.getFramedGraph().frame(v, IPortObject.class);
+
+			log.debug("TopologyEvents: link broken {}", new Object []{src_port.getSwitch().getDPID(),
+																src_port.getNumber(),
+																dest_port.getSwitch().getDPID(),
+																dest_port.getNumber()});
+			IFlowManager manager = new FlowManagerImpl();
+			// TODO: Find the flows and add to reconcile queue
+			manager.reconcileFlows(src_port);
+		}
+	}
+
+	@Override
+	public void vertexAdded(Vertex arg0) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void vertexPropertyRemoved(Vertex arg0, String arg1, Object arg2) {
+		// TODO Auto-generated method stub
+
+	}
+
+	@Override
+	public void vertexRemoved(Vertex vertex) {
+		// TODO Auto-generated method stub
+		// Generate NetMapEvents 
+		String type = (String) vertex.getProperty("type");
+		log.debug("TopologyEvents: Received vertex removed event: {}",vertex.toString());
+		if (type.equals("port")) {
+			// port is removed...lets fire reconcile here directly for now
+			
+			IPortObject src_port = conn.getFramedGraph().frame(vertex, IPortObject.class);
+			log.debug("TopologyEvents: Port removed: {}:{}",src_port.getSwitch().getDPID(),src_port.getNumber());
+			IFlowManager manager = new FlowManagerImpl();
+			manager.reconcileFlows(src_port);			
+		}
+	}
+
+
+	@Override
+	public void edgePropertyChanged(Edge arg0, String arg1, Object arg2,
+			Object arg3) {
+		// TODO Auto-generated method stub
+		
+	}
+
+	@Override
+	public void vertexPropertyChanged(Vertex arg0, String arg1, Object arg2,
+			Object arg3) {
+		// TODO Auto-generated method stub
+		
+	}
+
+}