Sho SHIMIZU

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

Change-Id: I509720b0c9ee8a9b652aa966ec19c77aacac8573
/*
* 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);
}