From 5b0c6a52022e67a2d9cee251b3d08b9cb2b5f6cb Mon Sep 17 00:00:00 2001 From: HampusM Date: Sun, 9 Oct 2022 12:05:24 +0200 Subject: refactor!: reorganize DI containers BREAKING CHANGE: DIContainer, AsyncDIContainer & the binding structs have been relocated --- .../asynchronous/binding/scope_configurator.rs | 76 ++++++++++++++++++++++ 1 file changed, 76 insertions(+) create mode 100644 src/di_container/asynchronous/binding/scope_configurator.rs (limited to 'src/di_container/asynchronous/binding/scope_configurator.rs') diff --git a/src/di_container/asynchronous/binding/scope_configurator.rs b/src/di_container/asynchronous/binding/scope_configurator.rs new file mode 100644 index 0000000..2b0f0b3 --- /dev/null +++ b/src/di_container/asynchronous/binding/scope_configurator.rs @@ -0,0 +1,76 @@ +//! Scope configurator for a binding for types inside of a [`AsyncDIContainer`]. +use std::marker::PhantomData; +use std::sync::Arc; + +use crate::di_container::asynchronous::binding::when_configurator::AsyncBindingWhenConfigurator; +use crate::errors::async_di_container::AsyncBindingScopeConfiguratorError; +use crate::interfaces::async_injectable::AsyncInjectable; +use crate::provider::r#async::{AsyncSingletonProvider, AsyncTransientTypeProvider}; +use crate::ptr::ThreadsafeSingletonPtr; +use crate::AsyncDIContainer; + +/// Scope configurator for a binding for type 'Interface' inside a [`AsyncDIContainer`]. +pub struct AsyncBindingScopeConfigurator +where + Interface: 'static + ?Sized + Send + Sync, + Implementation: AsyncInjectable, +{ + di_container: Arc, + interface_phantom: PhantomData, + implementation_phantom: PhantomData, +} + +impl AsyncBindingScopeConfigurator +where + Interface: 'static + ?Sized + Send + Sync, + Implementation: AsyncInjectable, +{ + pub(crate) fn new(di_container: Arc) -> Self + { + Self { + di_container, + interface_phantom: PhantomData, + implementation_phantom: PhantomData, + } + } + + /// Configures the binding to be in a transient scope. + /// + /// This is the default. + pub async fn in_transient_scope(&self) -> AsyncBindingWhenConfigurator + { + let mut bindings_lock = self.di_container.bindings.lock().await; + + bindings_lock.set::( + None, + Box::new(AsyncTransientTypeProvider::::new()), + ); + + AsyncBindingWhenConfigurator::new(self.di_container.clone()) + } + + /// Configures the binding to be in a singleton scope. + /// + /// # Errors + /// Will return Err if resolving the implementation fails. + pub async fn in_singleton_scope( + &self, + ) -> Result, AsyncBindingScopeConfiguratorError> + { + let singleton: ThreadsafeSingletonPtr = + ThreadsafeSingletonPtr::from( + Implementation::resolve(&self.di_container, Vec::new()) + .await + .map_err( + AsyncBindingScopeConfiguratorError::SingletonResolveFailed, + )?, + ); + + let mut bindings_lock = self.di_container.bindings.lock().await; + + bindings_lock + .set::(None, Box::new(AsyncSingletonProvider::new(singleton))); + + Ok(AsyncBindingWhenConfigurator::new(self.di_container.clone())) + } +} -- cgit v1.2.3-18-g5258