persistent_scheduler::core::context

Struct TaskContext

Source 
pub struct TaskContext<S>
where
    S: TaskStore + Send + Sync + Clone + 'static,
{ /* private fields */ }

Implementations§

Source§

impl<S> TaskContext<S>
where S: TaskStore + Send + Sync + Clone + 'static,

Source

pub fn new(store: S) -> Self

Creates a new TaskContext with the provided store.

Examples found in repository?
examples/basic.rs (line 18)
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async fn main() {
    tracing_subscriber::fmt()
        .with_max_level(tracing::Level::INFO)
        .init();

    let task_store = InMemoryTaskStore::new();
    let context = TaskContext::new(task_store)
        .register::<MyTask1>()
        .register::<MyTask2>()
        .set_concurrency("default", 10)
        .start()
        .await;
    let mut tasks = Vec::new();
    for _ in 0..100 {
        tasks.push(TaskConfiguration {
            inner: MyTask1::new("name1".to_string(), 32),
            kind: TaskKind::Once,
            delay_seconds: None,
        });
    }

    tokio::spawn(async move {
        context.add_tasks(tasks).await.unwrap();
    });
    tokio::time::sleep(Duration::from_secs(20)).await;
    
}
More examples
Hide additional examples
examples/nativedb.rs (line 21)
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async fn main() {
    tracing_subscriber::fmt()
        .with_max_level(tracing::Level::INFO)
        .init();

    let task_store = NativeDbTaskStore::default();
    task_store.restore_tasks().await.unwrap();
    let context = TaskContext::new(task_store)
        .register::<MyTask1>()
        .register::<MyTask2>()
        .set_concurrency("default", 10)
        .start().await;
    let context = Arc::new(context);
    let mut tasks = Vec::new();

    for _ in 0..10000 {
        tasks.push(TaskConfiguration {
            inner: MyTask1::new("name1".to_string(), 32),
            kind: TaskKind::Once,
            delay_seconds: None,
        });
    }

    tokio::spawn(async move {
        context.add_tasks(tasks).await.unwrap();
    });

    tokio::time::sleep(Duration::from_secs(10000)).await;
}
Source

pub fn register<T>(self) -> Self
where T: Task,

Registers a new task type in the context.

Examples found in repository?
examples/basic.rs (line 19)
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async fn main() {
    tracing_subscriber::fmt()
        .with_max_level(tracing::Level::INFO)
        .init();

    let task_store = InMemoryTaskStore::new();
    let context = TaskContext::new(task_store)
        .register::<MyTask1>()
        .register::<MyTask2>()
        .set_concurrency("default", 10)
        .start()
        .await;
    let mut tasks = Vec::new();
    for _ in 0..100 {
        tasks.push(TaskConfiguration {
            inner: MyTask1::new("name1".to_string(), 32),
            kind: TaskKind::Once,
            delay_seconds: None,
        });
    }

    tokio::spawn(async move {
        context.add_tasks(tasks).await.unwrap();
    });
    tokio::time::sleep(Duration::from_secs(20)).await;
    
}
More examples
Hide additional examples
examples/nativedb.rs (line 22)
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async fn main() {
    tracing_subscriber::fmt()
        .with_max_level(tracing::Level::INFO)
        .init();

    let task_store = NativeDbTaskStore::default();
    task_store.restore_tasks().await.unwrap();
    let context = TaskContext::new(task_store)
        .register::<MyTask1>()
        .register::<MyTask2>()
        .set_concurrency("default", 10)
        .start().await;
    let context = Arc::new(context);
    let mut tasks = Vec::new();

    for _ in 0..10000 {
        tasks.push(TaskConfiguration {
            inner: MyTask1::new("name1".to_string(), 32),
            kind: TaskKind::Once,
            delay_seconds: None,
        });
    }

    tokio::spawn(async move {
        context.add_tasks(tasks).await.unwrap();
    });

    tokio::time::sleep(Duration::from_secs(10000)).await;
}
Source

pub fn set_concurrency(self, queue: &str, count: usize) -> Self

Sets the concurrency level for a specified queue.

Examples found in repository?
examples/basic.rs (line 21)
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async fn main() {
    tracing_subscriber::fmt()
        .with_max_level(tracing::Level::INFO)
        .init();

    let task_store = InMemoryTaskStore::new();
    let context = TaskContext::new(task_store)
        .register::<MyTask1>()
        .register::<MyTask2>()
        .set_concurrency("default", 10)
        .start()
        .await;
    let mut tasks = Vec::new();
    for _ in 0..100 {
        tasks.push(TaskConfiguration {
            inner: MyTask1::new("name1".to_string(), 32),
            kind: TaskKind::Once,
            delay_seconds: None,
        });
    }

    tokio::spawn(async move {
        context.add_tasks(tasks).await.unwrap();
    });
    tokio::time::sleep(Duration::from_secs(20)).await;
    
}
More examples
Hide additional examples
examples/nativedb.rs (line 24)
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async fn main() {
    tracing_subscriber::fmt()
        .with_max_level(tracing::Level::INFO)
        .init();

    let task_store = NativeDbTaskStore::default();
    task_store.restore_tasks().await.unwrap();
    let context = TaskContext::new(task_store)
        .register::<MyTask1>()
        .register::<MyTask2>()
        .set_concurrency("default", 10)
        .start().await;
    let context = Arc::new(context);
    let mut tasks = Vec::new();

    for _ in 0..10000 {
        tasks.push(TaskConfiguration {
            inner: MyTask1::new("name1".to_string(), 32),
            kind: TaskKind::Once,
            delay_seconds: None,
        });
    }

    tokio::spawn(async move {
        context.add_tasks(tasks).await.unwrap();
    });

    tokio::time::sleep(Duration::from_secs(10000)).await;
}
Source

pub async fn start(self) -> Self

Starts the task context, including workers and the task cleaner.

Examples found in repository?
examples/basic.rs (line 22)
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async fn main() {
    tracing_subscriber::fmt()
        .with_max_level(tracing::Level::INFO)
        .init();

    let task_store = InMemoryTaskStore::new();
    let context = TaskContext::new(task_store)
        .register::<MyTask1>()
        .register::<MyTask2>()
        .set_concurrency("default", 10)
        .start()
        .await;
    let mut tasks = Vec::new();
    for _ in 0..100 {
        tasks.push(TaskConfiguration {
            inner: MyTask1::new("name1".to_string(), 32),
            kind: TaskKind::Once,
            delay_seconds: None,
        });
    }

    tokio::spawn(async move {
        context.add_tasks(tasks).await.unwrap();
    });
    tokio::time::sleep(Duration::from_secs(20)).await;
    
}
More examples
Hide additional examples
examples/nativedb.rs (line 25)
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async fn main() {
    tracing_subscriber::fmt()
        .with_max_level(tracing::Level::INFO)
        .init();

    let task_store = NativeDbTaskStore::default();
    task_store.restore_tasks().await.unwrap();
    let context = TaskContext::new(task_store)
        .register::<MyTask1>()
        .register::<MyTask2>()
        .set_concurrency("default", 10)
        .start().await;
    let context = Arc::new(context);
    let mut tasks = Vec::new();

    for _ in 0..10000 {
        tasks.push(TaskConfiguration {
            inner: MyTask1::new("name1".to_string(), 32),
            kind: TaskKind::Once,
            delay_seconds: None,
        });
    }

    tokio::spawn(async move {
        context.add_tasks(tasks).await.unwrap();
    });

    tokio::time::sleep(Duration::from_secs(10000)).await;
}
Source

pub async fn add_task<T>( &self, task: T, kind: TaskKind, delay_seconds: Option<u32>, ) -> Result<(), String>
where T: Task + Send + Sync + 'static,

Adds a new task to the context for execution.

Source

pub async fn add_tasks<T>( &self, tasks: Vec<TaskConfiguration<T>>, ) -> Result<(), String>
where T: Task + Send + Sync + 'static,

Adds a new task to the context for execution.

Examples found in repository?
examples/basic.rs (line 34)
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async fn main() {
    tracing_subscriber::fmt()
        .with_max_level(tracing::Level::INFO)
        .init();

    let task_store = InMemoryTaskStore::new();
    let context = TaskContext::new(task_store)
        .register::<MyTask1>()
        .register::<MyTask2>()
        .set_concurrency("default", 10)
        .start()
        .await;
    let mut tasks = Vec::new();
    for _ in 0..100 {
        tasks.push(TaskConfiguration {
            inner: MyTask1::new("name1".to_string(), 32),
            kind: TaskKind::Once,
            delay_seconds: None,
        });
    }

    tokio::spawn(async move {
        context.add_tasks(tasks).await.unwrap();
    });
    tokio::time::sleep(Duration::from_secs(20)).await;
    
}
More examples
Hide additional examples
examples/nativedb.rs (line 38)
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async fn main() {
    tracing_subscriber::fmt()
        .with_max_level(tracing::Level::INFO)
        .init();

    let task_store = NativeDbTaskStore::default();
    task_store.restore_tasks().await.unwrap();
    let context = TaskContext::new(task_store)
        .register::<MyTask1>()
        .register::<MyTask2>()
        .set_concurrency("default", 10)
        .start().await;
    let context = Arc::new(context);
    let mut tasks = Vec::new();

    for _ in 0..10000 {
        tasks.push(TaskConfiguration {
            inner: MyTask1::new("name1".to_string(), 32),
            kind: TaskKind::Once,
            delay_seconds: None,
        });
    }

    tokio::spawn(async move {
        context.add_tasks(tasks).await.unwrap();
    });

    tokio::time::sleep(Duration::from_secs(10000)).await;
}

Auto Trait Implementations§

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impl<S> Freeze for TaskContext<S>

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impl<S> !RefUnwindSafe for TaskContext<S>

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impl<S> Send for TaskContext<S>

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impl<S> Sync for TaskContext<S>

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impl<S> Unpin for TaskContext<S>

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impl<S> !UnwindSafe for TaskContext<S>

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impl<T> Any for T
where T: 'static + ?Sized,

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fn type_id(&self) -> TypeId

Gets the TypeId of self. Read more
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impl<T> Borrow<T> for T
where T: ?Sized,

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fn borrow(&self) -> &T

Immutably borrows from an owned value. Read more
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impl<T> BorrowMut<T> for T
where T: ?Sized,

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fn borrow_mut(&mut self) -> &mut T

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impl<T> From<T> for T

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fn from(t: T) -> T

Returns the argument unchanged.

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impl<T> Instrument for T

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fn instrument(self, span: Span) -> Instrumented<Self>

Instruments this type with the provided Span, returning an Instrumented wrapper. Read more
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fn in_current_span(self) -> Instrumented<Self>

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impl<T, U> Into<U> for T
where U: From<T>,

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fn into(self) -> U

Calls U::from(self).

That is, this conversion is whatever the implementation of From<T> for U chooses to do.

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fn into_either(self, into_left: bool) -> Either<Self, Self>

Converts self into a Left variant of Either<Self, Self> if into_left is true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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fn into_either_with<F>(self, into_left: F) -> Either<Self, Self>
where F: FnOnce(&Self) -> bool,

Converts self into a Left variant of Either<Self, Self> if into_left(&self) returns true. Converts self into a Right variant of Either<Self, Self> otherwise. Read more
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impl<T> Pointable for T

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const ALIGN: usize

The alignment of pointer.
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type Init = T

The type for initializers.
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unsafe fn init(init: <T as Pointable>::Init) -> usize

Initializes a with the given initializer. Read more
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unsafe fn deref<'a>(ptr: usize) -> &'a T

Dereferences the given pointer. Read more
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unsafe fn drop(ptr: usize)

Drops the object pointed to by the given pointer. Read more
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impl<T, U> TryFrom<U> for T
where U: Into<T>,

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type Error = Infallible

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fn try_from(value: U) -> Result<T, <T as TryFrom<U>>::Error>

Performs the conversion.
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impl<T, U> TryInto<U> for T
where U: TryFrom<T>,

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type Error = <U as TryFrom<T>>::Error

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fn try_into(self) -> Result<U, <U as TryFrom<T>>::Error>

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where S: Into<Dispatch>,

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