ONOS-5182 Refactored SONA to cache network states
Change-Id: Ib316fa5fa5d36e9da370a1578ac55de4a8dd9b04
diff --git a/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/api/OpenstackNetworkEvent.java b/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/api/OpenstackNetworkEvent.java
new file mode 100644
index 0000000..c022c29
--- /dev/null
+++ b/apps/openstacknetworking/src/main/java/org/onosproject/openstacknetworking/api/OpenstackNetworkEvent.java
@@ -0,0 +1,151 @@
+/*
+ * Copyright 2017-present Open Networking Laboratory
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.onosproject.openstacknetworking.api;
+
+import org.joda.time.LocalDateTime;
+import org.onosproject.event.AbstractEvent;
+import org.openstack4j.model.network.Network;
+import org.openstack4j.model.network.Port;
+import org.openstack4j.model.network.Subnet;
+
+import static com.google.common.base.MoreObjects.toStringHelper;
+
+/**
+ * Describes OpenStack network service event.
+ */
+public class OpenstackNetworkEvent extends AbstractEvent<OpenstackNetworkEvent.Type, Network> {
+
+ private final Port port;
+ private final Subnet subnet;
+
+ public enum Type {
+ /**
+ * Signifies that a new OpenStack network is created.
+ */
+ OPENSTACK_NETWORK_CREATED,
+
+ /**
+ * Signifies that the OpenStack network is updated.
+ */
+ OPENSTACK_NETWORK_UPDATED,
+
+ /**
+ * Signifies that the OpenStack network is removed.
+ */
+ OPENSTACK_NETWORK_REMOVED,
+
+ /**
+ * Signifies that a new OpenStack subnet is created.
+ */
+ OPENSTACK_SUBNET_CREATED,
+
+ /**
+ * Signifies that the OpenStack subnet is updated.
+ */
+ OPENSTACK_SUBNET_UPDATED,
+
+ /**
+ * Signifies that the OpenStack subnet is removed.
+ */
+ OPENSTACK_SUBNET_REMOVED,
+
+ /**
+ * Signifies that a new OpenStack port is created.
+ */
+ OPENSTACK_PORT_CREATED,
+
+ /**
+ * Signifies that the OpenStack port is updated.
+ */
+ OPENSTACK_PORT_UPDATED,
+
+ /**
+ * Signifies that the OpenStack port is removed.
+ */
+ OPENSTACK_PORT_REMOVED
+ }
+
+ /**
+ * Creates an event of a given type for the specified network and the current time.
+ * @param type openstack network event type
+ * @param network openstack network
+ */
+ public OpenstackNetworkEvent(Type type, Network network) {
+ super(type, network);
+ this.port = null;
+ this.subnet = null;
+ }
+
+ /**
+ * Creates an event of a given type for the specified network, port and the
+ * current time.
+ *
+ * @param type openstack network event type
+ * @param network openstack network
+ * @param port openstack port
+ */
+ public OpenstackNetworkEvent(Type type, Network network, Port port) {
+ super(type, network);
+ this.port = port;
+ this.subnet = null;
+ }
+
+ /**
+ * Creates an event of a given type for the specified network, subnet and the
+ * current time.
+ *
+ * @param type openstack network event type
+ * @param network openstack network
+ * @param subnet openstack subnet
+ */
+ public OpenstackNetworkEvent(Type type, Network network, Subnet subnet) {
+ super(type, network);
+ this.port = null;
+ this.subnet = subnet;
+ }
+
+ /**
+ * Returns the port of the network event.
+ *
+ * @return openstack port; null if the event is not port specific
+ */
+ public Port port() {
+ return port;
+ }
+
+ /**
+ * Returns the subnet of the network event.
+ *
+ * @return openstack subnet; null if the event is not subnet specific
+ */
+ public Subnet subnet() {
+ return subnet;
+ }
+
+ @Override
+ public String toString() {
+ if (port == null && subnet == null) {
+ return super.toString();
+ }
+ return toStringHelper(this)
+ .add("time", new LocalDateTime(time()))
+ .add("type", type())
+ .add("network", subject())
+ .add("port", port)
+ .add("subnet", subnet)
+ .toString();
+ }
+}