ONOS-4078: ISIS protocol API initial checkin.
Change-Id: I89743341348148835dc196321852945a20469c87
diff --git a/protocols/isis/api/src/main/java/org/onosproject/isis/controller/IsisController.java b/protocols/isis/api/src/main/java/org/onosproject/isis/controller/IsisController.java
new file mode 100644
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+++ b/protocols/isis/api/src/main/java/org/onosproject/isis/controller/IsisController.java
@@ -0,0 +1,60 @@
+/*
+ * Copyright 2016 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.isis.controller;
+
+import java.util.List;
+
+/**
+ * Representation of an ISIS controller.
+ */
+public interface IsisController {
+
+ /**
+ * Registers a listener for router meta events.
+ *
+ * @param isisRouterListener isis router listener instance
+ */
+ void addRouterListener(IsisRouterListener isisRouterListener);
+
+ /**
+ * Unregisters a router listener.
+ *
+ * @param isisRouterListener isis router listener instance
+ */
+ void removeRouterListener(IsisRouterListener isisRouterListener);
+
+ /**
+ * Updates configuration of processes.
+ *
+ * @param processes process instance to update
+ */
+ void updateConfig(List<IsisProcess> processes);
+
+ /**
+ * Deletes configuration parameters.
+ *
+ * @param processes list of process instance
+ * @param attribute attribute to delete
+ */
+ void deleteConfig(List<IsisProcess> processes, String attribute);
+
+ /**
+ * Gets the all configured processes.
+ *
+ * @return list of process instances
+ */
+ List<IsisProcess> allConfiguredProcesses();
+}
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