/// <summary>
/// 装配字段
/// </summary>
/// <param name="property"></param>
/// <param name="context"></param>
/// <param name="Parameters"></param>
/// <param name="instance"></param>
/// <param name="allowCircle"></param>
/// <returns></returns>
public object ResolveField(FieldInfo property, IComponentContext context, IEnumerable <Parameter> Parameters, object instance, bool allowCircle)
{
if (!allowCircle)
{
return(property == null ? null : Resolve(property.DeclaringType, property.FieldType, context, "field"));
}
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
Service propertyService = null;
if (!string.IsNullOrEmpty(this.Name))
{
propertyService = new KeyedService(this.Name, property.FieldType);
}
else
{
propertyService = new TypedService(property.FieldType);
}
if (Parameters != null && Parameters.Count() == 1)
{
if (!(Parameters.First() is AutowiredParmeter AutowiredParmeter))
{
return(null);
}
if (AutowiredParmeter.AutowiredChains.TryGetValue(property.FieldType.FullName, out var objectInstance))
{
return(objectInstance);
}
else
{
AutowiredParmeter.Add(property.DeclaringType.FullName, instance);
if (context.TryResolveService(propertyService, new Parameter[] { AutowiredParmeter }, out var propertyValue))
{
return(propertyValue);
}
}
}
else
{
var instanceTypeParameter = new AutowiredParmeter();
instanceTypeParameter.Add(property.DeclaringType.FullName, instance);
if (context.TryResolveService(propertyService, new Parameter[] { instanceTypeParameter }, out var propertyValue))
{
return(propertyValue);
}
}
return(null);
}
internal object Resolve(IComponentContext context, object instance, Type classType, Type memberType, IEnumerable <Parameter> Parameters)
{
if ((typeof(IObjectFactory).IsAssignableFrom(memberType)))
{
return(context.Resolve <ObjectBeanFactory>().CreateAutowiredFactory(this, memberType, classType, instance, Parameters));
}
Service propertyService = null;
if (!string.IsNullOrEmpty(this.Name))
{
propertyService = new KeyedService(this.Name, memberType);
}
else
{
propertyService = new TypedService(memberType);
}
// ReSharper disable once PossibleMultipleEnumeration
if (Parameters != null && Parameters.Count() == 1)
{
// ReSharper disable once PossibleMultipleEnumeration
if (!(Parameters.First() is AutowiredParmeter AutowiredParmeter))
{
return(null);
}
// ReSharper disable once AssignNullToNotNullAttribute
if (AutowiredParmeter.TryGet(getAutowiredParmeterKey(memberType), out var objectInstance))
{
return(objectInstance);
}
else
{
// ReSharper disable once PossibleNullReferenceException
AutowiredParmeter.TryAdd(getAutowiredParmeterKey(classType), instance);
if (context.TryResolveService(propertyService, new Parameter[] { AutowiredParmeter }, out var propertyValue))
{
return(propertyValue);
}
}
}
else
{
var instanceTypeParameter = new AutowiredParmeter();
// ReSharper disable once PossibleNullReferenceException
instanceTypeParameter.TryAdd(getAutowiredParmeterKey(classType), instance);
if (context.TryResolveService(propertyService, new Parameter[] { instanceTypeParameter }, out var propertyValue))
{
return(propertyValue);
}
}
return(null);
}
public static bool TryResolveKeyed(this IComponentContext context, object serviceKey, Type serviceType, out object instance)
{
if (context == null)
{
throw new ArgumentNullException("context");
}
return(context.TryResolveService(new KeyedService(serviceKey, serviceType), NoParameters, out instance));
}
public static bool TryResolveService(this IComponentContext context, Service service, out object instance)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
return(context.TryResolveService(service, NoParameters, out instance));
}
public static void InjectProperties(IComponentContext context, object instance, IPropertySelector propertySelector)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
if (propertySelector == null)
{
throw new ArgumentNullException(nameof(propertySelector));
}
var instanceType = instance.GetType();
foreach (var property in instanceType
.GetRuntimeProperties()
.Where(pi => pi.CanWrite))
{
var propertyType = property.PropertyType;
if (propertyType.GetTypeInfo().IsValueType&& !propertyType.GetTypeInfo().IsEnum)
{
continue;
}
if (propertyType.IsArray && propertyType.GetElementType().GetTypeInfo().IsValueType)
{
continue;
}
if (propertyType.IsGenericEnumerableInterfaceType() && propertyType.GetTypeInfo().GenericTypeArguments[0].GetTypeInfo().IsValueType)
{
continue;
}
if (property.GetIndexParameters().Length != 0)
{
continue;
}
if (!propertySelector.InjectProperty(property, instance))
{
continue;
}
object propertyValue;
var propertyService = new TypedService(propertyType);
var instanceTypeParameter = new NamedParameter(InstanceTypeNamedParameter, instanceType);
if (context.TryResolveService(propertyService, new Parameter[] { instanceTypeParameter }, out propertyValue))
{
property.SetValue(instance, propertyValue, null);
}
}
}
public bool TryGetValue(TKey key, out TValue value)
{
if (_context.TryResolveService(GetService(key), out var result))
{
value = (TValue)result;
return(true);
}
value = default !;
/// <summary>
/// Inject properties onto an instance, filtered by a property selector.
/// </summary>
/// <param name="context">The component context to resolve dependencies from.</param>
/// <param name="instance">The instance to inject onto.</param>
/// <param name="propertySelector">The property selector.</param>
/// <param name="parameters">The set of parameters for the resolve that can be used to satisfy injectable properties.</param>
public static void InjectProperties(IComponentContext context, object instance, IPropertySelector propertySelector, IEnumerable <Parameter> parameters)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
if (propertySelector == null)
{
throw new ArgumentNullException(nameof(propertySelector));
}
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
var resolveParameters = parameters as Parameter[] ?? parameters.ToArray();
var instanceType = instance.GetType();
var injectableProperties = InjectableProperties.GetOrAdd(instanceType, type => GetInjectableProperties(type).ToArray());
for (var index = 0; index < injectableProperties.Length; index++)
{
var property = injectableProperties[index];
if (!propertySelector.InjectProperty(property, instance))
{
continue;
}
// SetMethod will be non-null if GetInjectableProperties included it.
var setParameter = property.SetMethod !.GetParameters()[0];
var valueProvider = (Func <object?>?)null;
var parameter = resolveParameters.FirstOrDefault(p => p.CanSupplyValue(setParameter, context, out valueProvider));
if (parameter != null)
{
var setter = PropertySetters.GetOrAdd(property, MakeFastPropertySetter);
setter(instance, valueProvider !());
continue;
}
var propertyService = new TypedService(property.PropertyType);
var instanceTypeParameter = new NamedParameter(InstanceTypeNamedParameter, instanceType);
if (context.TryResolveService(propertyService, new Parameter[] { instanceTypeParameter }, out var propertyValue))
{
var setter = PropertySetters.GetOrAdd(property, MakeFastPropertySetter);
setter(instance, propertyValue);
}
}
}
private static object ResolveServiceSafe(IComponentContext context, Service service, IEnumerable <Parameter> parameters)
{
object instance;
var successful = context.TryResolveService(service, parameters, out instance);
if (!successful)
{
throw new ComponentNotRegisteredException(service);
}
return(instance);
}
public bool TryGetValue(TKey key, out TValue value)
{
if (context.TryResolveService(GetService(key), out object result))
{
value = (TValue)result;
return(true);
}
value = default(TValue);
return(false);
}
public static object ResolveOptionalService(this IComponentContext context, Service service, IEnumerable <Parameter> parameters)
{
object obj2;
if (context == null)
{
throw new ArgumentNullException("context");
}
if (service == null)
{
throw new ArgumentNullException("service");
}
if (parameters == null)
{
throw new ArgumentNullException("parameters");
}
context.TryResolveService(service, parameters, out obj2);
return(obj2);
}
/// <summary>
/// Retrieve a service from the context, or null if the service is not
/// registered.
/// </summary>
/// <param name="context">The context from which to resolve the service.</param>
/// <param name="service">The service.</param>
/// <param name="parameters">Parameters for the service.</param>
/// <returns>
/// The component instance that provides the service, or null.
/// </returns>
/// <exception cref="DependencyResolutionException"/>
public static object ResolveOptionalService(this IComponentContext context, Service service, IEnumerable <Parameter> parameters)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
object instance;
context.TryResolveService(service, parameters, out instance);
return(instance);
}
/// <summary>
/// Eagerly enumerate the services keyed with <see cref="Key_DoNotSerialize"/> that will not be serialized.
/// </summary>
/// <remarks>
/// Services marked with <see cref="Key_DoNotSerialize"/> will not serialize their dependencies either.
/// </remarks>
private static IEnumerable <object> DoNotSerialize(IComponentContext context, IEnumerable <Parameter> parameters)
{
foreach (var registration in context.ComponentRegistry.Registrations)
{
foreach (var service in registration.Services)
{
var keyed = service as KeyedService;
if (keyed != null)
{
if (keyed.ServiceKey == Key_DoNotSerialize)
{
object instance;
if (context.TryResolveService(service, parameters, out instance))
{
yield return(instance);
}
}
}
}
}
}
/// <summary>
/// Retrieve a service from the context.
/// </summary>
/// <param name="context">The context from which to resolve the service.</param>
/// <param name="parameters">Parameters for the service.</param>
/// <param name="service">The service to resolve.</param>
/// <returns>
/// The component instance that provides the service.
/// </returns>
/// <exception cref="ComponentNotRegisteredException"/>
/// <exception cref="DependencyResolutionException"/>
public static object ResolveService(this IComponentContext context, Service service, IEnumerable <Parameter> parameters)
{
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (service == null)
{
throw new ArgumentNullException(nameof(service));
}
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
object instance;
var successful = context.TryResolveService(service, parameters, out instance);
if (!successful)
{
throw new ComponentNotRegisteredException(service);
}
return(instance);
}
/// <summary>
/// 装配字段
/// </summary>
/// <param name="property"></param>
/// <param name="context"></param>
/// <param name="Parameters"></param>
/// <param name="instance"></param>
/// <param name="allowCircle"></param>
/// <returns></returns>
public object ResolveField(FieldInfo property, IComponentContext context, IEnumerable <Parameter> Parameters, object instance, bool allowCircle)
{
if (property == null)
{
throw new ArgumentNullException(nameof(property));
}
if (!allowCircle)
{
return(Resolve(property.DeclaringType, property.FieldType, context, "field"));
}
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
Service propertyService = null;
if (!string.IsNullOrEmpty(this.Name))
{
propertyService = new KeyedService(this.Name, property.FieldType);
}
else
{
propertyService = new TypedService(property.FieldType);
}
// ReSharper disable once PossibleMultipleEnumeration
if (Parameters != null && Parameters.Count() == 1)
{
// ReSharper disable once PossibleMultipleEnumeration
if (!(Parameters.First() is AutowiredParmeter AutowiredParmeter))
{
return(null);
}
// ReSharper disable once AssignNullToNotNullAttribute
if (AutowiredParmeter.TryGet(getAutowiredParmeterKey(property.FieldType), out var objectInstance))
{
return(objectInstance);
}
else
{
// ReSharper disable once PossibleNullReferenceException
AutowiredParmeter.TryAdd(getAutowiredParmeterKey(property.DeclaringType), instance);
if (context.TryResolveService(propertyService, new Parameter[] { AutowiredParmeter }, out var propertyValue))
{
return(propertyValue);
}
}
}
else
{
var instanceTypeParameter = new AutowiredParmeter();
// ReSharper disable once PossibleNullReferenceException
instanceTypeParameter.TryAdd(getAutowiredParmeterKey(property.DeclaringType), instance);
if (context.TryResolveService(propertyService, new Parameter[] { instanceTypeParameter }, out var propertyValue))
{
return(propertyValue);
}
}
return(null);
}
public static void InjectProperties(IComponentContext context, object instance, IPropertySelector propertySelector, IEnumerable <Parameter> parameters)
{
//判断instance是否是代理类型，如果是代理类型，则取Target
if (context == null)
{
throw new ArgumentNullException(nameof(context));
}
if (instance == null)
{
throw new ArgumentNullException(nameof(instance));
}
if (propertySelector == null)
{
throw new ArgumentNullException(nameof(propertySelector));
}
if (parameters == null)
{
throw new ArgumentNullException(nameof(parameters));
}
var unproxyedInstance = UnwrapProxy(instance);
var instanceType = instance.GetType();
var unproxyedInstanceType = unproxyedInstance.GetType();
foreach (var property in unproxyedInstanceType
.GetRuntimeProperties()
.Where(pi => pi.CanWrite))
{
var propertyType = property.PropertyType;
if (propertyType.GetTypeInfo().IsValueType&& !propertyType.GetTypeInfo().IsEnum)
{
continue;
}
if (propertyType.IsArray && propertyType.GetElementType().GetTypeInfo().IsValueType)
{
continue;
}
if (propertyType.IsGenericEnumerableInterfaceType() && propertyType.GetTypeInfo().GenericTypeArguments[0].GetTypeInfo().IsValueType)
{
continue;
}
if (property.GetIndexParameters().Length != 0)
{
continue;
}
if (!propertySelector.InjectProperty(property, instance))
{
continue;
}
var setParameter = property.SetMethod.GetParameters().First();
var valueProvider = (Func <object>)null;
var parameter = parameters.FirstOrDefault(p => p.CanSupplyValue(setParameter, context, out valueProvider));
if (parameter != null)
{
property.SetValue(unproxyedInstance, valueProvider(), null);
continue;
}
object propertyValue;
var propertyService = new TypedService(propertyType);
var instanceTypeParameter = new NamedParameter(InstanceTypeNamedParameter, unproxyedInstanceType);
if (context.TryResolveService(propertyService, new Parameter[] { instanceTypeParameter }, out propertyValue))
{
property.SetValue(unproxyedInstance, propertyValue, null);
}
}
}
