Change Device Event interface

Change-Id: I2958ec3e5a03785edefe91e77f2152fcfdadcc66
diff --git a/src/main/java/net/onrc/onos/ofcontroller/networkgraph/NetworkGraphDiscoveryInterface.java b/src/main/java/net/onrc/onos/ofcontroller/networkgraph/NetworkGraphDiscoveryInterface.java
index a4d21a9..ffd95f5 100644
--- a/src/main/java/net/onrc/onos/ofcontroller/networkgraph/NetworkGraphDiscoveryInterface.java
+++ b/src/main/java/net/onrc/onos/ofcontroller/networkgraph/NetworkGraphDiscoveryInterface.java
@@ -1,8 +1,5 @@
 package net.onrc.onos.ofcontroller.networkgraph;
 
-import java.net.InetAddress;
-import java.util.Set;
-
 public interface NetworkGraphDiscoveryInterface {
 	public void putSwitchEvent(SwitchEvent switchEvent);
 	public void removeSwitchEvent(SwitchEvent switchEvent);
@@ -10,7 +7,6 @@
 	public void removePortEvent(PortEvent portEvent);
 	public void putLinkEvent(LinkEvent linkEvent);
 	public void removeLinkEvent(LinkEvent linkEvent);
-	public void updateDeviceEvent(DeviceEvent deviceToUpdate, 
-			Set<InetAddress> updatedIpAddrs, Set<Port> updatedAttachmentPoints);
+	public void putDeviceEvent(DeviceEvent deviceEvent);
 	public void removeDeviceEvent(DeviceEvent deviceEvent);
 }