Struct ServiceDescriptor 

pub struct ServiceDescriptor {
    pub service_key: ServiceKey,
    pub lifetime: Lifetime,
    pub factory: Arc<ServiceFactory>,
    pub service_type: TypeId,
    pub implementation_type: TypeId,
}

Service descriptor - describes how to create and manage service instances

Fields

service_key: ServiceKey

Service key for uniquely identifying services

lifetime: Lifetime

Service lifetime

factory: Arc<ServiceFactory>

Service factory function for creating service instances

service_type: TypeId

Service type ID

implementation_type: TypeId

Implementation type ID (may differ from service type)

Implementations

impl ServiceDescriptor

pub fn new<TService, TImplementation>( service_key: ServiceKey, lifetime: Lifetime, factory: ServiceFactory, ) -> Self

where TService: 'static, TImplementation: 'static,

Create a new service descriptor

pub fn transient<TService, TImplementation>(factory: ServiceFactory) -> Self

where TService: 'static, TImplementation: 'static,

Create a type-based transient service descriptor

pub fn scoped<TService, TImplementation>(factory: ServiceFactory) -> Self

where TService: 'static, TImplementation: 'static,

Create a type-based scoped service descriptor

pub fn singleton<TService, TImplementation>(factory: ServiceFactory) -> Self

where TService: 'static, TImplementation: 'static,

Create a type-based singleton service descriptor

pub fn named_transient<TService, TImplementation>( name: impl Into<String>, factory: ServiceFactory, ) -> Self

where TService: 'static, TImplementation: 'static,

Create a name-based transient service descriptor

pub fn named_scoped<TService, TImplementation>( name: impl Into<String>, factory: ServiceFactory, ) -> Self

where TService: 'static, TImplementation: 'static,

Create a name-based scoped service descriptor

pub fn named_singleton<TService, TImplementation>( name: impl Into<String>, factory: ServiceFactory, ) -> Self

where TService: 'static, TImplementation: 'static,

Create a name-based singleton service descriptor

pub fn from_instance<TService>(instance: TService) -> Self

where TService: Send + Sync + 'static,

Create a singleton service descriptor from an instance

pub fn from_named_instance<TService>( name: impl Into<String>, instance: TService, ) -> Self

where TService: Send + Sync + 'static,

Create a singleton service descriptor from a named instance

pub fn matches_key(&self, key: &ServiceKey) -> bool

Check if the service key matches

pub fn matches_service_type<T: 'static>(&self) -> bool

Check if the service type matches

pub fn create_instance( &self, provider: &dyn ServiceProvider, ) -> DiResult<Box<dyn Any + Send + Sync>>

Create a service instance

Trait Implementations

impl Clone for ServiceDescriptor

fn clone(&self) -> ServiceDescriptor

Returns a duplicate of the value.

fn clone_from(&mut self, source: &Self)

Performs copy-assignment from source.

impl Debug for ServiceDescriptor

fn fmt(&self, f: &mut Formatter<'_>) -> Result

Formats the value using the given formatter.