cpl.dependency_injection

cpl.dependency_injection.service_collection

class cpl.dependency_injection.service_collection.ServiceCollection(config: cpl.configuration.configuration_abc.ConfigurationABC)

Bases: cpl.dependency_injection.service_collection_abc.ServiceCollectionABC

add_db_context(db_context_type: Type[cpl.database.context.database_context_abc.DatabaseContextABC], db_settings: cpl.database.database_settings.DatabaseSettings)

Adds database context :param db_context: :param db_settings: :return:

add_logging()

Adds the CPL internal logger

add_scoped(service_type: Type, service: Optional[Callable] = None)

Adds a service with scoped lifetime :param service_type: :param service: :return:

add_singleton(service_type: Union[type, object], service: Optional[Union[type, object]] = None)

Adds a service with singleton lifetime :param service_type: :param service: :return:

add_transient(service_type: type, service: Optional[type] = None)

Adds a service with transient lifetime :param service_type: :param service: :return:

build_service_provider() → cpl.dependency_injection.service_provider_abc.ServiceProviderABC

Creates instance of the service provider

cpl.dependency_injection.service_collection_abc

class cpl.dependency_injection.service_collection_abc.ServiceCollectionABC

Bases: abc.ABC

abstract add_db_context(db_context: Type[cpl.database.context.database_context_abc.DatabaseContextABC], db_settings: cpl.database.database_settings.DatabaseSettings)

Adds database context :param db_context: :param db_settings: :return:

abstract add_logging()

Adds the CPL internal logger

abstract add_scoped(service_type: Type, service: Optional[collections.abc.Callable] = None)

Adds a service with scoped lifetime :param service_type: :param service: :return:

abstract add_singleton(service_type: Type, service: Optional[collections.abc.Callable] = None)

Adds a service with singleton lifetime :param service_type: :param service: :return:

abstract add_transient(service_type: Type, service: Optional[collections.abc.Callable] = None)

Adds a service with transient lifetime :param service_type: :param service: :return:

abstract build_service_provider() → cpl.dependency_injection.service_provider_abc.ServiceProviderABC

Creates instance of the service provider

cpl.dependency_injection.service_descriptor

class cpl.dependency_injection.service_descriptor.ServiceDescriptor(implementation: Optional[Union[type, object]], lifetime: cpl.dependency_injection.service_lifetime_enum.ServiceLifetimeEnum)

Bases: object

property implementation

property lifetime

property service_type

cpl.dependency_injection.service_lifetime_enum

class cpl.dependency_injection.service_lifetime_enum.ServiceLifetimeEnum(value)

Bases: enum.Enum

An enumeration.

scoped = 1

singleton = 0

transient = 2

cpl.dependency_injection.service_provider

class cpl.dependency_injection.service_provider.ServiceProvider(service_descriptors: list, config: cpl.configuration.configuration_abc.ConfigurationABC, db_context: Optional[cpl.database.context.database_context_abc.DatabaseContextABC])

Bases: cpl.dependency_injection.service_provider_abc.ServiceProviderABC

build_service(service_type: type) → object

Creates instance of given type :param service_type: :return:

get_service(service_type: type) → Optional[collections.abc.Callable[object]]

Returns instance of given type :param instance_type: :return:

cpl.dependency_injection.service_provider_abc

class cpl.dependency_injection.service_provider_abc.ServiceProviderABC

Bases: abc.ABC

abstract build_service(service_type: type) → object

Creates instance of given type :param service_type: :return:

abstract get_service(instance_type: Type) → Optional[collections.abc.Callable[object]]

Returns instance of given type :param instance_type: :return: