IServiceInstanceProvider#
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struct IServiceInstanceProvider#
Subclassed by sb::di::details::core::ServiceInstanceProvider
Public Types
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using Ptr = std::unique_ptr<IServiceInstanceProvider>#
Public Functions
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virtual void init(ServiceProvider &serviceProvider) = 0#
Initializes instance provider.
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virtual const ServiceProviderOptions &getOptions() const = 0#
Get service provider options.
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virtual Ptr createScope() const = 0#
Create a scoped service instance provider.
Scoped service instance provider creates/holds its own scoped services
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virtual const IServiceInstance &getInstance(TypeId serviceTypeId) = 0#
Returns service instance reference, might throw exception.
If service was not registered or was registered as transient, method throws exception
- Throws:
sb::di::ServiceNotFoundException –
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virtual const IServiceInstance *tryGetInstance(TypeId serviceTypeId) = 0#
Returns service instance pointer.
If service was not registered or was registered as transient, method returns null
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virtual const OneOrList<IServiceInstance::Ptr> *tryGetInstances(TypeId serviceTypeId) = 0#
Returns service instances.
If service instance was not registered or was registered as transient, method returns null
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virtual IServiceInstance::Ptr createInstance(TypeId serviceTypeId) = 0#
Creates service instance unique pointer, might throw exception.
If service was not registered or was registered as scoped/singleton, method throw exception
- Throws:
sb::di::ServiceNotFoundException –
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virtual IServiceInstance::Ptr tryCreateInstance(TypeId serviceTypeId) = 0#
Creates service instance unique pointer, might be null.
If service was not registered or was registered as scoped/singleton, method returns null
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virtual IServiceInstance::Ptr createInstanceInPlace(TypeId serviceTypeId) = 0#
Creates service instance in place, might throw exception.
If service was not registered or was registered as scoped/singleton, method throws exception
- Throws:
sb::di::ServiceNotFoundException –
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virtual IServiceInstance::Ptr tryCreateInstanceInPlace(TypeId serviceTypeId) = 0#
Creates service instance in place.
If service was not registered or was registered as scoped/singleton, method returns null
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virtual std::optional<OneOrList<IServiceInstance::Ptr>> tryCreateInstances(TypeId serviceTypeId) = 0#
Creates service instances.
If service was not registered or was registered as scoped/singleton, method returns null option
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virtual ~IServiceInstanceProvider() = default#
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using Ptr = std::unique_ptr<IServiceInstanceProvider>#