| /* |
| * Copyright 2017-present Open Networking Foundation |
| * |
| * 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.device; |
| |
| import org.onosproject.net.driver.HandlerBehaviour; |
| |
| import java.util.Collection; |
| |
| /** |
| * Handler behaviour capable of collecting and updating port statistics. |
| */ |
| public interface PortStatisticsDiscovery extends HandlerBehaviour { |
| |
| /** |
| * Returns a list of port statistics descriptions appropriately annotated |
| * to support downstream model extension via projections of their parent |
| * device. |
| * |
| * @return annotated port statistics |
| */ |
| Collection<PortStatistics> discoverPortStatistics(); |
| } |