50 lines
1.6 KiB
Rust
50 lines
1.6 KiB
Rust
//! Based on code from <https://github.com/BinChengZhao/delay-timer/blob/560c92f9b12c56a6729bc46cdaab52c9557a84e7/README.md>
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use delay_timer::prelude::*;
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use anyhow::Result;
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use smol::Timer;
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use std::time::Duration;
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#[tokio::main]
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async fn main() -> Result<()> {
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// In addition to the mixed (smol & tokio) runtime
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// You can also share a tokio runtime with delayTimer, please see api `DelayTimerBuilder::tokio_runtime` for details.
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// Build an DelayTimer that uses the default configuration of the Smol runtime internally.
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let delay_timer = DelayTimerBuilder::default().build();
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// Develop a print job that runs in an asynchronous cycle.
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let task_instance_chain = delay_timer.insert_task(build_task_async_print()?)?;
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// Get the running instance of task 1.
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let task_instance = task_instance_chain.next_with_async_wait().await?;
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// Cancel running task instances.
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task_instance.cancel_with_async_wait().await?;
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// Remove task which id is 1.
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delay_timer.remove_task(1)?;
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// No new tasks are accepted; running tasks are not affected.
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Ok(delay_timer.stop_delay_timer()?)
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}
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fn build_task_async_print() -> Result<Task, TaskError> {
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let mut task_builder = TaskBuilder::default();
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let body = || async {
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println!("create_async_fn_body!");
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Timer::after(Duration::from_secs(3)).await;
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println!("create_async_fn_body:i'success");
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};
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task_builder
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.set_task_id(1)
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.set_frequency_repeated_by_cron_str("@secondly")
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.set_maximum_parallel_runnable_num(2)
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.spawn_async_routine(body)
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}
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