Added unit tests for the event abstractions.
Added Element as the notion of common ancestry between Device and Host.
diff --git a/net/api/src/main/java/org/onlab/onos/net/Host.java b/net/api/src/main/java/org/onlab/onos/net/Host.java
index f8e2e31..17eaf22 100644
--- a/net/api/src/main/java/org/onlab/onos/net/Host.java
+++ b/net/api/src/main/java/org/onlab/onos/net/Host.java
@@ -1,14 +1,21 @@
package org.onlab.onos.net;
-import org.onlab.onos.net.provider.Provided;
-
/**
* Abstraction of an end-station host on the network, essentially a NIC.
*/
-public interface Host extends Provided {
+public interface Host extends Element {
// MAC, IP(s), optional VLAN ID
- // Location (current, recent locations?
+
+ /**
+ * Returns the most recent host location where the host attaches to the
+ * network edge.
+ *
+ * @return host location
+ */
+ HostLocation location();
+
+ // list of recent locations?
}