// Methods ......................................................................
private void RootCompositionByCode()
{
// Repositories
_userConfigRepository = new DataAccess.ConfigurationRepository();
_timeConverterRepository = new Domain.Functionality.TimeConvertionFunctions();
// Services (represent the seam in the architecture)
_userConfigService = new Domain.Services.UserConfigService(ConfigFilename, _userConfigRepository);
_timeConverterService = new Domain.Services.TimeConverterService(_timeConverterRepository);
}
private void RootCompositionByConfiguration()
{
// How to refrence an assembly in teh config file by assembly qualified name
// "{namespace}.{class name}, "{assembly name}"
// Ref: https://jeremylindsayni.wordpress.com/2019/02/11/instantiating-a-c-object-from-a-string-using-activator-createinstance-in-net/
// Repositories
var confiRepoTypeName = ConfigurationManager.AppSettings["configurationRepository"];
var configRepoType = Type.GetType(confiRepoTypeName, true);
_userConfigRepository =
(Domain.Interfaces.Repositories.IUserConfigRepository)Activator.CreateInstance(configRepoType);
var timeConvertionTypeName = ConfigurationManager.AppSettings["timeConvertionFunction"];
var timeConvertionType = Type.GetType(timeConvertionTypeName, true);
_timeConverterRepository = (Domain.Interfaces.Repositories.ITimeConverterRepository)Activator.CreateInstance(timeConvertionType);
// Services (represent the seam in the architecture)
_userConfigService = new Domain.Services.UserConfigService(ConfigFilename, _userConfigRepository);
_timeConverterService = new Domain.Services.TimeConverterService(_timeConverterRepository);
}
private void RootCompositionByDIContainer()
{
// Repositories - Retreive repositories from App.Config
var confiRepoTypeName = ConfigurationManager.AppSettings["configurationRepository"];
var configRepoType = Type.GetType(confiRepoTypeName, true);
_userConfigRepository =
(Domain.Interfaces.Repositories.IUserConfigRepository)Activator.CreateInstance(configRepoType);
var timeConvertionTypeName = ConfigurationManager.AppSettings["timeConvertionFunction"];
var timeConvertionType = Type.GetType(timeConvertionTypeName, true);
_timeConverterRepository =
(Domain.Interfaces.Repositories.ITimeConverterRepository)Activator.CreateInstance(timeConvertionType);
// Define container and register ITimeConverterRepository
_container = new UnityContainer();
// REGISTER
// Register the repositories that are needed
_container.RegisterInstance <Domain.Interfaces.Repositories.IUserConfigRepository>(_userConfigRepository);
_container.RegisterInstance <Domain.Interfaces.Repositories.ITimeConverterRepository> (_timeConverterRepository);
// Services (represent the seam in the architecture)
// For the service help the container understand the repository type that will be passed
// as parameter for the constructor.
_container.RegisterType <Domain.Interfaces.Services.IUserConfigService, Domain.Services.UserConfigService>
(new InjectionConstructor(ConfigFilename, _userConfigRepository));
_container.RegisterType <Domain.Interfaces.Services.ITimeConverterService, Domain.Services.TimeConverterService>
(new InjectionConstructor(_timeConverterRepository));
// RESOLVE
// Instantiate a ITimeConverterService
_userConfigService = _container.Resolve <Domain.Interfaces.Services.IUserConfigService>();
_timeConverterService = _container.Resolve <Domain.Interfaces.Services.ITimeConverterService>();
}