| // Licensed to the Apache Software Foundation (ASF) under one or more |
| // contributor license agreements. See the NOTICE file distributed with |
| // this work for additional information regarding copyright ownership. |
| // The ASF licenses this file to You 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. |
| // |
| |
| use crate::reporter::{CollectItem, Report}; |
| use tokio::sync::OnceCell; |
| |
| #[derive(Clone, Default)] |
| pub struct OnceCellReporter<R: Report> { |
| report: OnceCell<R>, |
| } |
| |
| impl<R: Report> OnceCellReporter<R> { |
| pub fn set(&self, report: R) -> Option<()> { |
| self.report.set(report).ok() |
| } |
| } |
| |
| impl<R: Report> Report for OnceCellReporter<R> { |
| fn report(&self, item: CollectItem) { |
| self.report |
| .get() |
| .expect("Report hasn't setted") |
| .report(item) |
| } |
| } |