Trait Manager

pub trait Manager: Sync + Send {
    type Type;
    type Error;

    // Required methods
    fn create<'life0, 'async_trait>(
        &'life0 self,
    ) -> Pin<Box<dyn Future<Output = Result<Self::Type, Self::Error>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait;
    fn recycle<'life0, 'life1, 'async_trait>(
        &'life0 self,
        obj: &'life1 mut Self::Type,
    ) -> Pin<Box<dyn Future<Output = RecycleResult<Self::Error>> + Send + 'async_trait>>
       where Self: 'async_trait,
             'life0: 'async_trait,
             'life1: 'async_trait;

    // Provided method
    fn detach(&self, _obj: &mut Self::Type) { ... }
}

Manager responsible for creating new Objects or recycling existing ones.

Required Associated Types

type Type

Type of Objects that this Manager creates and recycles.

type Error

Error that this Manager can return when creating and/or recycling Objects.

Required Methods

fn create<'life0, 'async_trait>( &'life0 self, ) -> Pin<Box<dyn Future<Output = Result<Self::Type, Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait,

Creates a new instance of Manager::Type.

fn recycle<'life0, 'life1, 'async_trait>( &'life0 self, obj: &'life1 mut Self::Type, ) -> Pin<Box<dyn Future<Output = RecycleResult<Self::Error>> + Send + 'async_trait>>

where Self: 'async_trait, 'life0: 'async_trait, 'life1: 'async_trait,

Tries to recycle an instance of Manager::Type.

Errors

Returns Manager::Error if the instance couldn’t be recycled.

Provided Methods

fn detach(&self, _obj: &mut Self::Type)

Detaches an instance of Manager::Type from this Manager.

This method is called when using the Object::take() method for removing an Object from a Pool. If the Manager doesn’t hold any references to the handed out Objects then the default implementation can be used which does nothing.

Implementors