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use std::any::TypeId;
use ahash::AHashMap;
#[derive(Debug, PartialEq, Eq, Hash)]
struct DIContainerBindingKey
{
type_id: TypeId,
name: Option<&'static str>,
}
pub struct DIContainerBindingMap<Provider>
where
Provider: 'static + ?Sized,
{
bindings: AHashMap<DIContainerBindingKey, Box<Provider>>,
}
impl<Provider> DIContainerBindingMap<Provider>
where
Provider: 'static + ?Sized,
{
pub fn new() -> Self
{
Self {
bindings: AHashMap::new(),
}
}
pub fn get<Interface>(&self, name: Option<&'static str>) -> Option<&Provider>
where
Interface: 'static + ?Sized,
{
let interface_typeid = TypeId::of::<Interface>();
self.bindings
.get(&DIContainerBindingKey {
type_id: interface_typeid,
name,
})
.map(|provider| provider.as_ref())
}
pub fn set<Interface>(&mut self, name: Option<&'static str>, provider: Box<Provider>)
where
Interface: 'static + ?Sized,
{
let interface_typeid = TypeId::of::<Interface>();
self.bindings.insert(
DIContainerBindingKey {
type_id: interface_typeid,
name,
},
provider,
);
}
pub fn remove<Interface>(
&mut self,
name: Option<&'static str>,
) -> Option<Box<Provider>>
where
Interface: 'static + ?Sized,
{
let interface_typeid = TypeId::of::<Interface>();
self.bindings.remove(&DIContainerBindingKey {
type_id: interface_typeid,
name,
})
}
pub fn has<Interface>(&self, name: Option<&'static str>) -> bool
where
Interface: 'static + ?Sized,
{
let interface_typeid = TypeId::of::<Interface>();
self.bindings.contains_key(&DIContainerBindingKey {
type_id: interface_typeid,
name,
})
}
/// Only used by tests in the `di_container` module.
#[cfg(test)]
pub fn count(&self) -> usize
{
self.bindings.len()
}
}
|
