| /* |
| * Copyright 2014-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.statistic; |
| |
| /** |
| * Simple data repository for link load information. |
| */ |
| public interface Load { |
| |
| /** |
| * Obtain the current observed rate (in bytes/s) on a link. |
| * |
| * @return long value |
| */ |
| long rate(); |
| |
| /** |
| * Obtain the latest bytes counter viewed on that link. |
| * |
| * @return long value |
| */ |
| long latest(); |
| |
| /** |
| * Indicates whether this load was built on valid values. |
| * |
| * @return boolean |
| */ |
| boolean isValid(); |
| |
| /** |
| * Returns when this value was seen. |
| * |
| * @return epoch time |
| */ |
| long time(); |
| |
| } |