ONOS-5449 Implemented skeleton of OFAgent application
Change-Id: Ie6c719872549a004471e466a43a2b531bc48b231
diff --git a/apps/ofagent/src/main/java/org/onosproject/ofagent/api/OFControllerRoleService.java b/apps/ofagent/src/main/java/org/onosproject/ofagent/api/OFControllerRoleService.java
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+++ b/apps/ofagent/src/main/java/org/onosproject/ofagent/api/OFControllerRoleService.java
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+/*
+ * 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.ofagent.api;
+
+import io.netty.channel.Channel;
+import org.projectfloodlight.openflow.protocol.OFControllerRole;
+
+import java.util.Set;
+
+/**
+ * Service for administering the OF role of multiple controllers.
+ */
+public interface OFControllerRoleService {
+
+ /**
+ * Adds a new controller channel.
+ * EQUAL role is set by default.
+ *
+ * @param channel openflow channel
+ */
+ void addControllerChannel(Channel channel);
+
+ /**
+ * Deletes the controller channel.
+ *
+ * @param channel openflow channel
+ */
+ void deleteControllerChannel(Channel channel);
+
+ /**
+ * Returns controller channels.
+ *
+ * @return set of controller channels
+ */
+ Set<Channel> controllerChannels();
+
+ /**
+ * Sets a role of the controller with a given channel.
+ *
+ * @param channel openflow channel
+ * @param role role of the controller
+ */
+ void setRole(Channel channel, OFControllerRole role);
+
+ /**
+ * Returns a role of the controller with a given channel.
+ *
+ * @param channel openflow channel
+ * @return role of the controller
+ */
+ OFControllerRole role(Channel channel);
+}