/*
 * 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 MPLS.
 */
@Beta
public interface MplsQuery extends HandlerBehaviour {

    /**
     * Indicates if MPLS can be used at the port.

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

Define an interface to query about MPLS capability
ONOS-2729: Define an interface to query about MPLS capability

Change-Id: I509720b0c9ee8a9b652aa966ec19c77aacac8573
