01934e231f
* Documenting worker pool * Update src/asynk/async_worker_pool.rs Co-authored-by: Ayrat Badykov <ayratin555@gmail.com> * Update src/asynk/async_worker_pool.rs Co-authored-by: Ayrat Badykov <ayratin555@gmail.com> * Update src/asynk/async_worker_pool.rs Co-authored-by: Ayrat Badykov <ayratin555@gmail.com> * Update src/asynk/async_worker_pool.rs Co-authored-by: Ayrat Badykov <ayratin555@gmail.com> * Update src/asynk/async_worker_pool.rs Co-authored-by: Ayrat Badykov <ayratin555@gmail.com> * move comment to worker * documenting blocking module * Update src/asynk/async_worker.rs Co-authored-by: Ayrat Badykov <ayratin555@gmail.com> * Update src/asynk/async_worker_pool.rs Co-authored-by: Ayrat Badykov <ayratin555@gmail.com> * Update src/blocking/queue.rs Co-authored-by: Ayrat Badykov <ayratin555@gmail.com> * Update src/blocking/queue.rs Co-authored-by: Ayrat Badykov <ayratin555@gmail.com> * Update src/asynk/async_worker.rs Co-authored-by: Ayrat Badykov <ayratin555@gmail.com> Co-authored-by: Ayrat Badykov <ayratin555@gmail.com>
54 lines
1.6 KiB
Rust
54 lines
1.6 KiB
Rust
use crate::queue::Queueable;
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use crate::FangError;
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use crate::Scheduled;
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pub const COMMON_TYPE: &str = "common";
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pub const RETRIES_NUMBER: i32 = 20;
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/// Implement this trait to run your custom tasks.
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#[typetag::serde(tag = "type")]
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pub trait Runnable {
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/// Execute the task. This method should define its logic
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fn run(&self, _queueable: &dyn Queueable) -> Result<(), FangError>;
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/// Define the type of the task.
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/// The `common` task type is used by default
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fn task_type(&self) -> String {
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COMMON_TYPE.to_string()
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}
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/// If set to true, no new tasks with the same metadata will be inserted
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/// By default it is set to false.
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fn uniq(&self) -> bool {
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false
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}
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/// This method defines if a task is periodic or it should be executed once in the future.
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///
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/// Be careful it works only with the UTC timezone.
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/**
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```rust
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fn cron(&self) -> Option<Scheduled> {
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let expression = "0/20 * * * Aug-Sep * 2022/1";
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Some(Scheduled::CronPattern(expression.to_string()))
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}
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```
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*/
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/// In order to schedule a task once, use the `Scheduled::ScheduleOnce` enum variant.
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fn cron(&self) -> Option<Scheduled> {
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None
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}
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/// Define the maximum number of retries the task will be retried.
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/// By default the number of retries is 20.
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fn max_retries(&self) -> i32 {
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RETRIES_NUMBER
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}
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/// Define the backoff mode
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/// By default, it is exponential, 2^(attempt)
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fn backoff(&self, attempt: u32) -> u32 {
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u32::pow(2, attempt)
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}
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}
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