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authorHampusM <hampus@hampusmat.com>2022-10-09 12:05:24 +0200
committerHampusM <hampus@hampusmat.com>2022-10-09 17:03:01 +0200
commit5b0c6a52022e67a2d9cee251b3d08b9cb2b5f6cb (patch)
treec33f06eaab96ec43e477ea5ecd2af93e9d739097 /src/di_container/blocking/binding/when_configurator.rs
parent97c789e38bb8e61389a3808d241689e623144344 (diff)
refactor!: reorganize DI containers
BREAKING CHANGE: DIContainer, AsyncDIContainer & the binding structs have been relocated
Diffstat (limited to 'src/di_container/blocking/binding/when_configurator.rs')
-rw-r--r--src/di_container/blocking/binding/when_configurator.rs55
1 files changed, 55 insertions, 0 deletions
diff --git a/src/di_container/blocking/binding/when_configurator.rs b/src/di_container/blocking/binding/when_configurator.rs
new file mode 100644
index 0000000..9cd9bb6
--- /dev/null
+++ b/src/di_container/blocking/binding/when_configurator.rs
@@ -0,0 +1,55 @@
+//! When configurator for a binding for types inside of a [`DIContainer`].
+use std::any::type_name;
+use std::marker::PhantomData;
+use std::rc::Rc;
+
+use crate::di_container::blocking::DIContainer;
+use crate::errors::di_container::BindingWhenConfiguratorError;
+
+/// When configurator for a binding for type 'Interface' inside a [`DIContainer`].
+pub struct BindingWhenConfigurator<Interface>
+where
+ Interface: 'static + ?Sized,
+{
+ di_container: Rc<DIContainer>,
+ interface_phantom: PhantomData<Interface>,
+}
+
+impl<Interface> BindingWhenConfigurator<Interface>
+where
+ Interface: 'static + ?Sized,
+{
+ pub(crate) fn new(di_container: Rc<DIContainer>) -> Self
+ {
+ Self {
+ di_container,
+ interface_phantom: PhantomData,
+ }
+ }
+
+ /// Configures the binding to have a name.
+ ///
+ /// # Errors
+ /// Will return Err if no binding for the interface already exists.
+ pub fn when_named(
+ &self,
+ name: &'static str,
+ ) -> Result<(), BindingWhenConfiguratorError>
+ {
+ let mut bindings_mut = self.di_container.bindings.borrow_mut();
+
+ let binding = bindings_mut.remove::<Interface>(None).map_or_else(
+ || {
+ Err(BindingWhenConfiguratorError::BindingNotFound(type_name::<
+ Interface,
+ >(
+ )))
+ },
+ Ok,
+ )?;
+
+ bindings_mut.set::<Interface>(Some(name), binding);
+
+ Ok(())
+ }
+}