| /* |
| * Copyright 2016-present 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.drivers.lumentum; |
| |
| import org.apache.commons.lang3.tuple.Pair; |
| import org.onosproject.net.flow.FlowId; |
| |
| /** |
| * Simple interface to cache flow ID and priority of cross connect flows. |
| */ |
| interface CrossConnectCache { |
| /** |
| * Returns the flow ID and priority corresponding to the flow hash. |
| * |
| * @param hash flow hash |
| * @return flow ID and priority, null if not in cache |
| */ |
| Pair<FlowId, Integer> get(int hash); |
| |
| /** |
| * Stores the flow ID and priority corresponding to the flow hash. |
| * |
| * @param hash flow hash |
| * @param flowId flow ID |
| * @param priority flow priority |
| */ |
| void set(int hash, FlowId flowId, int priority); |
| |
| /** |
| * Removes the given hash from the cache. |
| * |
| * @param hash flow hash |
| */ |
| void remove(int hash); |
| } |