Enahnced link and host stores to extend general store.
diff --git a/core/api/src/main/java/org/onlab/onos/net/device/DeviceStore.java b/core/api/src/main/java/org/onlab/onos/net/device/DeviceStore.java
index ef111e9..c84aac8 100644
--- a/core/api/src/main/java/org/onlab/onos/net/device/DeviceStore.java
+++ b/core/api/src/main/java/org/onlab/onos/net/device/DeviceStore.java
@@ -5,13 +5,14 @@
import org.onlab.onos.net.Port;
import org.onlab.onos.net.PortNumber;
import org.onlab.onos.net.provider.ProviderId;
+import org.onlab.onos.store.Store;
import java.util.List;
/**
* Manages inventory of infrastructure devices; not intended for direct use.
*/
-public interface DeviceStore {
+public interface DeviceStore extends Store<DeviceEvent, DeviceStoreDelegate> {
/**
* Returns the number of devices known to the system.