Example #1
0
 internal ObjectDI(ObjectDI parent)
 {
     _root        = parent._root;
     _registries  = _root._registries;
     _services    = new ConcurrentDictionary <ServiceRegistry, object>();
     _disposables = new ConcurrentBag <IDisposable>();
 }
Example #2
0
 public ObjectDI()
 {
     _registries  = new ConcurrentDictionary <Type, ServiceRegistry>();
     _root        = this;
     _services    = new ConcurrentDictionary <ServiceRegistry, object>();
     _disposables = new ConcurrentBag <IDisposable>();
 }
Example #3
0
 public static ObjectDI Register <TServiceType>(
     this ObjectDI cat,
     Func <ObjectDI, TServiceType> factory,
     LifecCycle lifetime)
 {
     cat.Register(new ServiceRegistry(
                      typeof(TServiceType), lifetime, (_, arguments) => factory(_)));
     return(cat);
 }
Example #4
0
        public static ObjectDI Register <TServiceType>(
            this ObjectDI cat,
            TServiceType instance)
        {
            Func <ObjectDI, Type[], object> factory =
                (_, arguments) => instance;

            cat.Register(new ServiceRegistry(typeof(TServiceType),
                                             LifecCycle.Single, factory));
            return(cat);
        }
Example #5
0
        public static ObjectDI Register(
            this ObjectDI cat,
            Type from,
            Type to,
            LifecCycle lifetime)
        {
            Func <ObjectDI, Type[], object> factory =
                (_, arguments) => Create(_, to, arguments);

            cat.Register(new ServiceRegistry(from, lifetime, factory));
            return(cat);
        }
Example #6
0
        private static object Create(
            ObjectDI cat,
            Type type,
            Type[] genericArguments)
        {
            if (genericArguments.Length > 0)
            {
                type = type.MakeGenericType(genericArguments);
            }
            var constructors = type
                               .GetConstructors();

            if (constructors.Length == 0)
            {
                throw new InvalidOperationException($"Cannot create the instance of {type} which does not have an public constructor.");
            }
            var constructor = constructors.FirstOrDefault(
                it => it.GetCustomAttributes(false)
                .OfType <InjectionAttribute>().Any());

            constructor = constructor ?? constructors.First();
            var parameters = constructor.GetParameters();

            if (parameters.Length == 0)
            {
                return(Activator.CreateInstance(type));
            }
            var arguments = new object[parameters.Length];

            for (int index = 0; index < arguments.Length; index++)
            {
                var parameter     = parameters[index];
                var parameterType = parameter.ParameterType;
                if (cat.HasRegistry(parameterType))
                {
                    arguments[index] = cat.GetService(parameterType);
                }
                else if (parameter.HasDefaultValue)
                {
                    arguments[index] = parameter.DefaultValue;
                }
                else
                {
                    throw new InvalidOperationException($"Cannot create the instance of {type} whose constructor has non-registered parameter type(s)");
                }
            }
            return(Activator.CreateInstance(type, arguments));
        }
Example #7
0
        /// <summary>
        /// 私有构造
        /// </summary>
        private StartService()
        {
            //ContainerBuilder containerBuilder = new ContainerBuilder();
            //var typeFinder = new AppDomainTypeFinder();
            //containerBuilder.RegisterInstance(typeFinder).As<ITypeFinder>().SingleInstance();
            //Container = containerBuilder.Build();
            ObjectDI objectDI   = new ObjectDI();
            var      typeFinder = new AppDomainTypeFinder();

            objectDI.Register <ITypeFinder>(typeFinder);
            var drTypes     = typeFinder.FindClassesOfType <IDependencyManager>();
            var drInstances = new List <IDependencyManager>();

            foreach (var item in drTypes)
            {
                drInstances.Add((IDependencyManager)Activator.CreateInstance(item));
            }
            drInstances = drInstances.AsQueryable().OrderBy(x => x.Order).ToList();
            foreach (var item in drInstances)
            {
                item.Register(objectDI, typeFinder);
            }
            Container = objectDI;
        }
Example #8
0
 public static T GetService <T>(this ObjectDI cat)
 => (T)cat.GetService(typeof(T));
Example #9
0
 public static IEnumerable <T> GetServices <T>(this ObjectDI cat)
 => cat.GetService <IEnumerable <T> >();
Example #10
0
 public static bool HasRegistry(this ObjectDI cat, Type serviceType)
 => cat._root._registries.ContainsKey(serviceType);
Example #11
0
 public static bool HasRegistry <T>(this ObjectDI cat)
 => cat.HasRegistry(typeof(T));
Example #12
0
 public static ObjectDI Register <TFrom, TTo>(
     this ObjectDI cat,
     LifecCycle lifetime) where TTo : TFrom
 => cat.Register(typeof(TFrom), typeof(TTo), lifetime);