1 files changed, 72 insertions, 0 deletions
diff --git a/framework/src/onos/core/api/src/main/java/org/onosproject/cluster/ClusterEvent.java b/framework/src/onos/core/api/src/main/java/org/onosproject/cluster/ClusterEvent.java
new file mode 100644
index 00000000..7bdc1d7d
--- /dev/null
+++ b/framework/src/onos/core/api/src/main/java/org/onosproject/cluster/ClusterEvent.java
@@ -0,0 +1,72 @@
+/*
+ * Copyright 2014 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.cluster;
+
+import org.onosproject.event.AbstractEvent;
+
+/**
+ * Describes cluster-related event.
+ */
+public class ClusterEvent extends AbstractEvent<ClusterEvent.Type, ControllerNode> {
+
+    /**
+     * Type of cluster-related events.
+     */
+    public enum Type {
+        /**
+         * Signifies that a new cluster instance has been administratively added.
+         */
+        INSTANCE_ADDED,
+
+        /**
+         * Signifies that a cluster instance has been administratively removed.
+         */
+        INSTANCE_REMOVED,
+
+        /**
+         * Signifies that a cluster instance became active.
+         */
+        INSTANCE_ACTIVATED,
+
+        /**
+         * Signifies that a cluster instance became inactive.
+         */
+        INSTANCE_DEACTIVATED
+    }
+
+    /**
+     * Creates an event of a given type and for the specified instance and the
+     * current time.
+     *
+     * @param type     cluster event type
+     * @param instance cluster device subject
+     */
+    public ClusterEvent(Type type, ControllerNode instance) {
+        super(type, instance);
+    }
+
+    /**
+     * Creates an event of a given type and for the specified device and time.
+     *
+     * @param type     device event type
+     * @param instance event device subject
+     * @param time     occurrence time
+     */
+    public ClusterEvent(Type type, ControllerNode instance, long time) {
+        super(type, instance, time);
+    }
+
+}