renamed IpAddress to IpPrefix

Change-Id: I35990622e5b1c29ab6f6a0a0227088cd5d6c7294
diff --git a/apps/tvue/src/main/java/org/onlab/onos/tvue/TopologyResource.java b/apps/tvue/src/main/java/org/onlab/onos/tvue/TopologyResource.java
index db8cce0..ea6a7cc 100644
--- a/apps/tvue/src/main/java/org/onlab/onos/tvue/TopologyResource.java
+++ b/apps/tvue/src/main/java/org/onlab/onos/tvue/TopologyResource.java
@@ -16,7 +16,7 @@
 import org.onlab.onos.net.topology.TopologyGraph;
 import org.onlab.onos.net.topology.TopologyService;
 import org.onlab.onos.net.topology.TopologyVertex;
-import org.onlab.packet.IpAddress;
+import org.onlab.packet.IpPrefix;
 import org.onlab.rest.BaseResource;
 
 import javax.ws.rs.GET;
@@ -74,8 +74,8 @@
         // Merge the exterior and interior vertexes and inject host links as
         // the exterior edges.
         for (Host host : hostService.getHosts()) {
-            Set<IpAddress> ipAddresses = host.ipAddresses();
-            IpAddress ipAddress = ipAddresses.isEmpty() ? null : ipAddresses.iterator().next();
+            Set<IpPrefix> ipAddresses = host.ipAddresses();
+            IpPrefix ipAddress = ipAddresses.isEmpty() ? null : ipAddresses.iterator().next();
             String label = ipAddress != null ? ipAddress.toString() : host.mac().toString();
             vertexesNode.add(json(mapper, host.id(), 3, label, true));
             edgesNode.add(json(mapper, 1, host.location(), new ConnectPoint(host.id(), portNumber(-1))));