generic_usecase library

Small component that encapsulates an application's scenario logic.

Classes

ConditionsResult
NoParamsStreamUsecase<Output>: A stream usecase that does not require any params, but returns a stream of Output.
NoParamsUsecase<Output>: A usecase that does not require any params, but returns a result of type Output.
StreamUsecase<Input, Output>: A stream usecase that requires params of type Input and returns a stream of Output.
Usecase<Input, Output>: A usecase that requires params of type Input and returns a result of type Output.

ConditionsObserver<Input, Output>: A mixin that allows to check preconditions and postconditions of a use case.
ExceptionObserver<Output>: A mixin that allows to handle exceptions
UsecaseExecutor<Input, Output>
UsecaseStreamExecutor<Input, Output>

InvalidPostconditionsException: InvalidPostconditionsException is threw when the postconditions of a Usecase are not met.
InvalidPreconditionsException: InvalidPreconditionsException is threw when the preconditions of a Usecase are not met.
StreamUsecaseException: StreamUsecaseException is sometimes threw by Stream Usecases operations.
UsecaseException: UsecaseException is sometimes threw by Usecases operations.