/* Copyright 2020 The Flux authors 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 providers type Interface interface { // RunQuery executes the query and converts the first result to float64 RunQuery(query string) (float64, error) // IsOnline calls the provider endpoint and returns an error if the API is unreachable IsOnline() (bool, error) }