Adding Leadership Listener to IntentBatchService
ObjectiveTracker uses Leadership Listener to track intents that
it has become the leader of.
Change-Id: I039accb30d27ad718d79a9fec3f546dbdc78e62e
diff --git a/core/api/src/main/java/org/onlab/onos/net/intent/IntentBatchLeaderEvent.java b/core/api/src/main/java/org/onlab/onos/net/intent/IntentBatchLeaderEvent.java
new file mode 100644
index 0000000..cd5297f
--- /dev/null
+++ b/core/api/src/main/java/org/onlab/onos/net/intent/IntentBatchLeaderEvent.java
@@ -0,0 +1,61 @@
+/*
+ * 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.onlab.onos.net.intent;
+
+import org.onlab.onos.core.ApplicationId;
+import org.onlab.onos.event.AbstractEvent;
+
+/**
+ * A class to represent an intent related event.
+ */
+public class IntentBatchLeaderEvent extends AbstractEvent<IntentBatchLeaderEvent.Type, ApplicationId> {
+
+ public enum Type {
+ /**
+ * Signifies that this instance has become the leader for the given application id.
+ */
+ ELECTED,
+
+ /**
+ * Signifies that instance is no longer the leader for a given application id.
+ */
+ BOOTED
+ }
+
+ /**
+ * Creates an event of a given type and for the specified appId and the
+ * current time.
+ *
+ * @param type event type
+ * @param appId subject appId
+ * @param time time the event created in milliseconds since start of epoch
+ */
+ public IntentBatchLeaderEvent(Type type, ApplicationId appId, long time) {
+ super(type, appId, time);
+ }
+
+ /**
+ * Creates an event of a given type and for the specified appId and the
+ * current time.
+ *
+ * @param type event type
+ * @param appId subject appId
+ */
+ public IntentBatchLeaderEvent(Type type, ApplicationId appId) {
+ super(type, appId);
+ }
+
+}