private static IEnumerable <object> ProvideParameters(IEnumerable <ParameterInfo> parameters,
DependenciesConfiguration dependencyConfiguration)
{
var provider = new DependencyProvider(dependencyConfiguration);
return(parameters.Select(provider.Resolve));
}
static void Main(string[] args)
{
DependenciesConfiguration c = new DependenciesConfiguration();
c.Register <MySQLRepository, MySQLRepository>(false);
c.Register(typeof(ServiceImpl <>), typeof(ServiceImpl <>), false);
//c.Register<ClassForExample, ClassForExample>(true);
//c.Register<ClassForExample66<ClassForExample>,ClassForExample66<ClassForExample>>(true);
//c.Register<ClassForExample2, ClassForExample2>(true);
//c.Register<ClassForExample3, ClassForExample3>(false);
try
{
DependencyProvider p = new DependencyProvider(c);
ServiceImpl <MySQLRepository> example = p.Resolve <ServiceImpl <MySQLRepository> >();
example.GetNum();
}
catch (ConfigurationValidationException ex)
{
Console.WriteLine(ex.Message);
}
catch (ConstructorNotFoundException ex)
{
Console.WriteLine(ex.Message);
}
catch (CycleDependencyException ex)
{
Console.WriteLine(ex.Message);
}
catch (TypeNotRegisterException ex)
{
Console.WriteLine(ex.Message);
}
}
public DependencyProvider(DependenciesConfiguration configuration)
{
if (ValidateConfiguration(configuration))
{
_configuration = configuration;
_stack = new ConcurrentStack <Type>();
}
else
{
throw new ConfigurationValidationException("Configuration is not valid!");
}
}
public static object GetInstance(Type type, DependenciesConfiguration dependencyConfiguration)
{
var constructors = ChooseConstructors(type).ToList();
if (constructors.Count == 0)
{
throw new CreatorException($"{type} has no injectable constructor");
}
foreach (var constructor in constructors)
{
var parameters = constructor.GetParameters();
var arguments = ProvideParameters(parameters, dependencyConfiguration);
return(constructor.Invoke(arguments.ToArray()));
}
throw new CreatorException($"Can't create instance of {type}");
}
//valudation for configuration
private bool ValidateConfiguration(DependenciesConfiguration configuration)
{
foreach (Type tDependency in configuration.dependencies.Keys)
{
if (!tDependency.IsValueType)
{
foreach (ImplementationInfo dependency in configuration.dependencies[tDependency])
{
Type tImplementation = dependency.implementationType;
if (tImplementation.IsAbstract || tImplementation.IsInterface || !tDependency.IsAssignableFrom(tImplementation))
{
return(false);
}
}
}
else
{
return(false);
}
}
return(true);
}
public DependencyProvider(DependenciesConfiguration depConfig)
{
_config = depConfig.Config;
}
public DependencyContainer(DependenciesConfiguration configuration)
{
DependenciesConfiguration = configuration;
}
public DependencyProvider(DependenciesConfiguration configuration)
{
dependencies = configuration.Dependencies;
}
public DependencyProvider(DependenciesConfiguration config)
{
configuration = config;
cycleStack = new ConcurrentStack <Type>();
}
public DependencyProvider(DependenciesConfiguration dependencyConfiguration)
{
_dependencyConfiguration = dependencyConfiguration;
}
public DependencyProvider(DependenciesConfiguration Configuration)
{
configuration = Configuration;
}
public DependencyProvider(DependenciesConfiguration configuration)
{
dependencies = configuration.dependencies;
openGenericDependecies = configuration.openGenericDependencies;
}