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use std::any::{type_name, TypeId};
use ahash::AHashMap;
use crate::errors::di_container::DIContainerError;
use crate::provider::IProvider;
#[derive(Debug, PartialEq, Eq, Hash)]
struct DIContainerBindingKey
{
type_id: TypeId,
name: Option<&'static str>,
}
pub struct DIContainerBindingMap
{
bindings: AHashMap<DIContainerBindingKey, Box<dyn IProvider>>,
}
impl DIContainerBindingMap
{
pub fn new() -> Self
{
Self {
bindings: AHashMap::new(),
}
}
pub fn get<Interface>(
&self,
name: Option<&'static str>,
) -> Result<&dyn IProvider, DIContainerError>
where
Interface: 'static + ?Sized,
{
let interface_typeid = TypeId::of::<Interface>();
Ok(self
.bindings
.get(&DIContainerBindingKey {
type_id: interface_typeid,
name,
})
.ok_or_else(|| DIContainerError::BindingNotFound {
interface: type_name::<Interface>(),
name,
})?
.as_ref())
}
pub fn set<Interface>(
&mut self,
name: Option<&'static str>,
provider: Box<dyn IProvider>,
) 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<dyn IProvider>>
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()
}
}
|
