WIP: use Event object on NetworkGraphImpl

Change-Id: I3a1d80bb23057aa8f22f4f53d33d7eb40fd89a2e
diff --git a/src/main/java/net/onrc/onos/ofcontroller/networkgraph/SwitchImpl.java b/src/main/java/net/onrc/onos/ofcontroller/networkgraph/SwitchImpl.java
index 4e8c661..6d98740 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/networkgraph/SwitchImpl.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/networkgraph/SwitchImpl.java
@@ -53,7 +53,7 @@
 	@Override
 	public Link getLinkToNeighbor(Long neighborDpid) {
 		for (Link link : graph.getOutgoingLinksFromSwitch(dpid)) {
-			if (link.getDestinationSwitch().getDpid() == neighborDpid) {
+			if (link.getDestinationSwitch().getDpid().equals(neighborDpid) ) {
 				return link;
 			}
 		}