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// 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::raw::BoxedStaticFuture;
use crate::*;
/// Executor that uses the [`tokio::task::spawn`] to execute futures.
#[derive(Default)]
pub struct TokioExecutor {}
impl Execute for TokioExecutor {
/// Tokio's JoinHandle has it's own `abort` support, so dropping handle won't cancel the task.
fn execute(&self, f: BoxedStaticFuture<()>) {
let _handle = tokio::task::spawn(f);
}
}
#[cfg(test)]
mod tests {
use std::sync::atomic::AtomicBool;
use std::sync::atomic::Ordering;
use std::sync::Arc;
use std::time::Duration;
use tokio::time::sleep;
use super::*;
use crate::Executor;
#[tokio::test]
async fn test_tokio_executor() {
let executor = Executor::with(TokioExecutor::default());
let finished = Arc::new(AtomicBool::new(false));
let finished_clone = finished.clone();
let _task = executor.execute(async move {
sleep(Duration::from_secs(1)).await;
finished_clone.store(true, Ordering::Relaxed);
});
sleep(Duration::from_secs(2)).await;
// Task must has been finished even without await task.
assert!(finished.load(Ordering::Relaxed))
}
}