adding Access device events and a listener
Change-Id: I0e9b4dae4231e7057443e7ed52723e29e06747cc
diff --git a/apps/olt/src/main/java/org/onosproject/olt/api/AccessDeviceEvent.java b/apps/olt/src/main/java/org/onosproject/olt/api/AccessDeviceEvent.java
new file mode 100644
index 0000000..212fd37
--- /dev/null
+++ b/apps/olt/src/main/java/org/onosproject/olt/api/AccessDeviceEvent.java
@@ -0,0 +1,88 @@
+package org.onosproject.olt.api;
+
+import org.onlab.packet.VlanId;
+import org.onosproject.event.AbstractEvent;
+import org.onosproject.net.DeviceId;
+
+import java.util.Optional;
+
+/**
+ * Describes an access device event.
+ */
+public class AccessDeviceEvent extends AbstractEvent<AccessDeviceEvent.Type, DeviceId> {
+
+ private final Optional<VlanId> sVlan;
+ private final Optional<VlanId> cVlan;
+
+ public enum Type {
+ /**
+ * A subscriber was registered and provisioned.
+ */
+ SUBSCRIBER_REGISTERED,
+
+ /**
+ * A subscriber was unregistered and deprovisioned.
+ */
+ SUBSCRIBER_UNREGISTERED,
+
+ /**
+ * An access device connected.
+ */
+ DEVICE_CONNECTED,
+
+ /**
+ * An access device disconnected.
+ */
+ DEVICE_DISCONNECTED
+
+ }
+
+ /**
+ *
+ * Creates an event of a given type and for the specified device,
+ * along with the cVlanId and sVlanId. The vlan fields may not be provisioned
+ * if the event is related to the access device (dis)connection.
+ *
+ * @param type the event type
+ * @param deviceId the device id
+ * @param sVlanId the service vlan
+ * @param cVlanId the customer vlan
+ */
+ public AccessDeviceEvent(Type type, DeviceId deviceId,
+ VlanId sVlanId,
+ VlanId cVlanId) {
+ super(type, deviceId);
+ this.sVlan = Optional.ofNullable(sVlanId);
+ this.cVlan = Optional.ofNullable(cVlanId);
+ }
+
+ /**
+ *
+ * Creates an event of a given type and for the specified device, and timestamp
+ * along with the cVlanId and sVlanId. The vlan fields may not be provisioned
+ * if the event is related to the access device (dis)connection.
+ *
+ * @param type the event type
+ * @param deviceId the device id
+ * @param time a timestamp
+ * @param sVlanId the service vlan
+ * @param cVlanId the customer vlan
+ */
+ protected AccessDeviceEvent(Type type, DeviceId deviceId, long time,
+ VlanId sVlanId,
+ VlanId cVlanId) {
+ super(type, deviceId, time);
+ this.sVlan = Optional.ofNullable(sVlanId);
+ this.cVlan = Optional.ofNullable(cVlanId);
+
+ }
+
+ public Optional<VlanId> sVlanId() {
+ return sVlan;
+ }
+
+ public Optional<VlanId> cVlanId() {
+ return cVlan;
+ }
+
+}