openflow/api/src/main/java/org/onlab/onos/openflow/controller/RoleState.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you 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.openflow.controller;

import org.projectfloodlight.openflow.protocol.OFControllerRole;

/**
 * The role of the controller as it pertains to a particular switch.
 * Note that this definition of the role enum is different from the
 * OF1.3 definition. It is maintained here to be backward compatible to
 * earlier versions of the controller code. This enum is translated
 * to the OF1.3 enum, before role messages are sent to the switch.
 * See sendRoleRequestMessage method in OFSwitchImpl
 */
public enum RoleState {
    EQUAL(OFControllerRole.ROLE_EQUAL),
    MASTER(OFControllerRole.ROLE_MASTER),
    SLAVE(OFControllerRole.ROLE_SLAVE);

    private RoleState(OFControllerRole nxRole) {
        nxRole.ordinal();
    }

}