object instantiateByReflectionConstructor(ILifetimeScope lifetimeScope, Type t) { var constructors = t.GetConstructors(); if (constructors.Length == 0) { throw new ResolveException("failed to instantiate type {0}: no public constructor", t); } var constructor = selectPreferredConstructor(constructors); var parameters = constructor.GetParameters(); var resolvedObjects = new object[parameters.Length]; foreach (var p in parameters.indices()) { var obj = lifetimeScope.resolve(parameters[p].ParameterType); resolvedObjects[p] = obj; } var instance = constructor.Invoke(resolvedObjects); lifetimeScope.Debug("inst {2,8:X}: {0} => {1}".fmt(t.Name, instance, (uint)instance.GetHashCode())); return(instance); }
object buildFromGenericByUsingAGenerator(ILifetimeScope lifetimeScope, Type genericInterface) { Debug.Assert(genericInterface.IsInterface && genericInterface.IsGenericType && !genericInterface.IsGenericTypeDefinition); var def = genericInterface.GetGenericTypeDefinition(); var factoryMethod = tryResolveFactoryMethod(def); if (factoryMethod == null) { throw new ResolveException("failed to resolve generic type {0}: failed to resolve interface", genericInterface); } var arguments = genericInterface.GetGenericArguments(); var methodTypeArguments = factoryMethod.GetGenericArguments(); if (arguments.Length != methodTypeArguments.Length) { throw new ResolveException("failed to find generators method for type {0}, number of type arguments are not matching", genericInterface); } var concreteMethod = factoryMethod.MakeGenericMethod(arguments); var generated_ = callStaticMethod(lifetimeScope, concreteMethod); // a generated object must be owned by the scope! lifetimeScope.own(generated_); lifetimeScope.Debug("gent {2,8:X}: {0} => {1}".fmt(genericInterface.Name, generated_, generated_ == null ? 0 : (uint)generated_.GetHashCode())); return(generated_); }
object buildFromGenericByUsingAGenerator(ILifetimeScope lifetimeScope, Type genericInterface) { Debug.Assert(genericInterface.IsInterface && genericInterface.IsGenericType && !genericInterface.IsGenericTypeDefinition); var def = genericInterface.GetGenericTypeDefinition(); var factoryMethod = tryResolveFactoryMethod(def); if (factoryMethod == null) throw new ResolveException("failed to resolve generic type {0}: failed to resolve interface", genericInterface); var arguments = genericInterface.GetGenericArguments(); var methodTypeArguments = factoryMethod.GetGenericArguments(); if (arguments.Length != methodTypeArguments.Length) throw new ResolveException("failed to find generators method for type {0}, number of type arguments are not matching", genericInterface); var concreteMethod = factoryMethod.MakeGenericMethod(arguments); var generated_ = callStaticMethod(lifetimeScope, concreteMethod); // a generated object must be owned by the scope! lifetimeScope.own(generated_); lifetimeScope.Debug("gent {2,8:X}: {0} => {1}".fmt(genericInterface.Name, generated_, generated_ == null ? 0 : (uint)generated_.GetHashCode())); return generated_; }
/* This method is the only entry point to build and instantiate an instance of type t that is bound to the given lifetime scope. */ object IKonstruktor.build(ILifetimeScope lifetimeScope, Type t) { #if DEBUG lifetimeScope.Debug("building {0}".fmt(t.Name)); Debug.Assert(_frozen); #endif Func<ILifetimeScope, object> explicitGenerator; if (_explicitGenerators.TryGetValue(t, out explicitGenerator)) return buildByExplicitGenerator(explicitGenerator, lifetimeScope); return t.IsInterface ? buildFromInterface(lifetimeScope, t) : instantiate(lifetimeScope, t); }
/* * This method is the only entry point to build and instantiate an instance of type t that is * bound to the given lifetime scope. */ object IKonstruktor.build(ILifetimeScope lifetimeScope, Type t) { #if DEBUG lifetimeScope.Debug("building {0}".fmt(t.Name)); Debug.Assert(_frozen); #endif Func <ILifetimeScope, object> explicitGenerator; if (_explicitGenerators.TryGetValue(t, out explicitGenerator)) { return(buildByExplicitGenerator(explicitGenerator, lifetimeScope)); } return(t.IsInterface ? buildFromInterface(lifetimeScope, t) : instantiate(lifetimeScope, t)); }
object instantiateByReflectionConstructor(ILifetimeScope lifetimeScope, Type t) { var constructors = t.GetConstructors(); if (constructors.Length == 0) throw new ResolveException("failed to instantiate type {0}: no public constructor", t); var constructor = selectPreferredConstructor(constructors); var parameters = constructor.GetParameters(); var resolvedObjects = new object[parameters.Length]; foreach (var p in parameters.indices()) { var obj = lifetimeScope.resolve(parameters[p].ParameterType); resolvedObjects[p] = obj; } var instance = constructor.Invoke(resolvedObjects); lifetimeScope.Debug("inst {2,8:X}: {0} => {1}".fmt(t.Name, instance, (uint)instance.GetHashCode())); return instance; }