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use std::any::type_name;
use std::fmt::Debug;
use std::sync::Arc;
use crate::private::any_factory::{AnyFactory, AnyThreadsafeFactory};
use crate::private::factory::IThreadsafeFactory;
use crate::ptr::TransientPtr;
pub struct ThreadsafeCastableFactory<ReturnInterface, DIContainerT>
where
DIContainerT: 'static,
ReturnInterface: 'static + ?Sized,
{
func: &'static (dyn Fn(Arc<DIContainerT>) -> TransientPtr<ReturnInterface>
+ Send
+ Sync),
}
impl<ReturnInterface, DIContainerT>
ThreadsafeCastableFactory<ReturnInterface, DIContainerT>
where
DIContainerT: 'static,
ReturnInterface: 'static + ?Sized,
{
pub fn new(
func: &'static (dyn Fn<(Arc<DIContainerT>,), Output = TransientPtr<ReturnInterface>>
+ Send
+ Sync),
) -> Self
{
Self { func }
}
}
impl<ReturnInterface, DIContainerT> IThreadsafeFactory<ReturnInterface, DIContainerT>
for ThreadsafeCastableFactory<ReturnInterface, DIContainerT>
where
DIContainerT: 'static,
ReturnInterface: 'static + ?Sized,
{
fn call(&self, di_container: Arc<DIContainerT>) -> TransientPtr<ReturnInterface>
{
(self.func)(di_container)
}
}
impl<ReturnInterface, DIContainerT> AnyFactory
for ThreadsafeCastableFactory<ReturnInterface, DIContainerT>
where
DIContainerT: 'static,
ReturnInterface: 'static + ?Sized,
{
}
impl<ReturnInterface, DIContainerT> AnyThreadsafeFactory
for ThreadsafeCastableFactory<ReturnInterface, DIContainerT>
where
DIContainerT: 'static,
ReturnInterface: 'static + ?Sized,
{
}
impl<ReturnInterface, DIContainerT> Debug
for ThreadsafeCastableFactory<ReturnInterface, DIContainerT>
where
DIContainerT: 'static,
ReturnInterface: 'static + ?Sized,
{
#[cfg(not(tarpaulin_include))]
fn fmt(&self, formatter: &mut std::fmt::Formatter<'_>) -> std::fmt::Result
{
let ret = type_name::<TransientPtr<ReturnInterface>>();
formatter.write_fmt(format_args!(
"ThreadsafeCastableFactory (Arc<AsyncDIContainer>) -> {ret} {{ ... }}",
))
}
}
#[cfg(test)]
mod tests
{
use super::*;
use crate::di_container::asynchronous::MockAsyncDIContainer;
#[derive(Debug, PartialEq, Eq)]
struct Bacon
{
heal_amount: u32,
}
#[test]
fn can_call()
{
let castable_factory = ThreadsafeCastableFactory::new(&|_| {
TransientPtr::new(Bacon { heal_amount: 27 })
});
let mock_di_container = Arc::new(MockAsyncDIContainer::new());
let output = castable_factory.call(mock_di_container);
assert_eq!(output, TransientPtr::new(Bacon { heal_amount: 27 }));
}
}
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