core/api/src/main/java/org/onosproject/net/behaviour/VlanQuery.java

/*
 * Copyright 2015 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.net.behaviour;

import com.google.common.annotations.Beta;
import org.onosproject.net.PortNumber;
import org.onosproject.net.driver.HandlerBehaviour;

/**
 * A HandlerBehaviour to check the capability of VLAN.
 */
@Beta
public interface VlanQuery extends HandlerBehaviour {

    /**
     * Indicates if VLAN can be used at the port.
     *
     * @param port port to be checked for the capability
     * @return true if VLAN can be used at the port, false otherwise.
     */
    boolean isEnabled(PortNumber port);
}