/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public virtual Type CreateProxyType(
ProxiesOptionsExtension options,
IEntityType entityType)
=> _generator.ProxyBuilder.CreateClassProxyType(
entityType.ClrType,
GetInterfacesToProxy(options, entityType),
ProxyGenerationOptions.Default);
private IInterceptor[] GetNotifyChangeInterceptors(
ProxiesOptionsExtension options,
IEntityType entityType,
LazyLoadingInterceptor lazyLoadingInterceptor = null)
{
var interceptors = new List <IInterceptor>();
if (lazyLoadingInterceptor != null)
{
interceptors.Add(lazyLoadingInterceptor);
}
if (options.UseChangeTrackingProxies)
{
if (!_notifyPropertyChangedInterface.IsAssignableFrom(entityType.ClrType))
{
interceptors.Add(new PropertyChangedInterceptor(entityType, options.CheckEquality));
}
if (!_notifyPropertyChangingInterface.IsAssignableFrom(entityType.ClrType))
{
interceptors.Add(new PropertyChangingInterceptor(entityType, options.CheckEquality));
}
}
return(interceptors.ToArray());
}
private Type[] GetInterfacesToProxy(
ProxiesOptionsExtension options,
IEntityType entityType)
{
var interfacesToProxy = new List <Type>();
if (options.UseLazyLoadingProxies)
{
interfacesToProxy.Add(_proxyLazyLoaderInterface);
}
if (options.UseChangeTrackingProxies)
{
if (!_notifyPropertyChangedInterface.IsAssignableFrom(entityType.ClrType))
{
interfacesToProxy.Add(_notifyPropertyChangedInterface);
}
if (!_notifyPropertyChangingInterface.IsAssignableFrom(entityType.ClrType))
{
interfacesToProxy.Add(_notifyPropertyChangingInterface);
}
}
return(interfacesToProxy.ToArray());
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public ProxyBindingRewriter(
[NotNull] IProxyFactory proxyFactory,
[NotNull] IConstructorBindingFactory bindingFactory,
[CanBeNull] ProxiesOptionsExtension options)
{
_directBindingConvention = new ConstructorBindingConvention(bindingFactory);
_proxyFactory = proxyFactory;
_options = options;
}
/// <summary>
/// This API supports the Entity Framework Core infrastructure and is not intended to be used
/// directly from your code. This API may change or be removed in future releases.
/// </summary>
public ProxyBindingRewriter(
[NotNull] IProxyFactory proxyFactory,
[NotNull] IConstructorBindingFactory bindingFactory,
[NotNull] IDiagnosticsLogger <DbLoggerCategory.Model> logger,
[CanBeNull] ProxiesOptionsExtension options)
{
_directBindingConvention = new ConstructorBindingConvention(bindingFactory, logger);
_proxyFactory = proxyFactory;
_options = options;
}
private object CreateProxy(
ProxiesOptionsExtension options,
IEntityType entityType,
object[] constructorArguments)
=> _generator.CreateClassProxy(
entityType.ClrType,
GetInterfacesToProxy(options, entityType),
ProxyGenerationOptions.Default,
constructorArguments,
GetNotifyChangeInterceptors(options, entityType));
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public ProxyBindingRewriter(
[NotNull] IProxyFactory proxyFactory,
[CanBeNull] ProxiesOptionsExtension options,
[NotNull] LazyLoaderParameterBindingFactoryDependencies lazyLoaderParameterBindingFactoryDependencies,
[NotNull] ProviderConventionSetBuilderDependencies conventionSetBuilderDependencies)
{
_proxyFactory = proxyFactory;
_options = options;
_lazyLoaderParameterBindingFactoryDependencies = lazyLoaderParameterBindingFactoryDependencies;
_directBindingConvention = new ConstructorBindingConvention(conventionSetBuilderDependencies);
}
private Castle.DynamicProxy.IInterceptor[] GetNotifyChangeInterceptors(
ProxiesOptionsExtension options,
IEntityType entityType,
LazyLoadingInterceptor lazyLoadingInterceptor = null)
{
var interceptors = new List <Castle.DynamicProxy.IInterceptor>();
if (lazyLoadingInterceptor != null)
{
interceptors.Add(lazyLoadingInterceptor);
}
if (options.UseChangeDetectionProxies)
{
var changeTrackingStrategy = entityType.GetChangeTrackingStrategy();
switch (changeTrackingStrategy)
{
case ChangeTrackingStrategy.ChangedNotifications:
if (!_notifyPropertyChangedInterface.IsAssignableFrom(entityType.ClrType))
{
interceptors.Add(new PropertyChangedInterceptor(entityType, options.CheckEquality));
}
break;
case ChangeTrackingStrategy.ChangingAndChangedNotifications:
case ChangeTrackingStrategy.ChangingAndChangedNotificationsWithOriginalValues:
if (!_notifyPropertyChangedInterface.IsAssignableFrom(entityType.ClrType))
{
interceptors.Add(new PropertyChangedInterceptor(entityType, options.CheckEquality));
}
if (!_notifyPropertyChangingInterface.IsAssignableFrom(entityType.ClrType))
{
interceptors.Add(new PropertyChangingInterceptor(entityType, options.CheckEquality));
}
break;
default:
break;
}
}
return(interceptors.ToArray());
}
private Type[] GetInterfacesToProxy(
ProxiesOptionsExtension options,
IEntityType entityType)
{
var interfacesToProxy = new List <Type>();
if (options.UseLazyLoadingProxies)
{
interfacesToProxy.Add(_proxyLazyLoaderInterface);
}
if (options.UseChangeDetectionProxies)
{
var changeTrackingStrategy = entityType.GetChangeTrackingStrategy();
switch (changeTrackingStrategy)
{
case ChangeTrackingStrategy.ChangedNotifications:
if (!_notifyPropertyChangedInterface.IsAssignableFrom(entityType.ClrType))
{
interfacesToProxy.Add(_notifyPropertyChangedInterface);
}
break;
case ChangeTrackingStrategy.ChangingAndChangedNotifications:
case ChangeTrackingStrategy.ChangingAndChangedNotificationsWithOriginalValues:
if (!_notifyPropertyChangedInterface.IsAssignableFrom(entityType.ClrType))
{
interfacesToProxy.Add(_notifyPropertyChangedInterface);
}
if (!_notifyPropertyChangingInterface.IsAssignableFrom(entityType.ClrType))
{
interfacesToProxy.Add(_notifyPropertyChangingInterface);
}
break;
default:
break;
}
}
return(interfacesToProxy.ToArray());
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
protected ProxiesOptionsExtension(ProxiesOptionsExtension copyFrom)
{
_useLazyLoadingProxies = copyFrom._useLazyLoadingProxies;
_useChangeTrackingProxies = copyFrom._useChangeTrackingProxies;
_checkEquality = copyFrom._checkEquality;
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
protected ProxiesOptionsExtension([NotNull] ProxiesOptionsExtension copyFrom)
{
_useLazyLoadingProxies = copyFrom._useLazyLoadingProxies;
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
public ProxyChangeTrackingConvention(
[CanBeNull] ProxiesOptionsExtension options)
{
_options = options;
}
/// <summary>
/// This is an internal API that supports the Entity Framework Core infrastructure and not subject to
/// the same compatibility standards as public APIs. It may be changed or removed without notice in
/// any release. You should only use it directly in your code with extreme caution and knowing that
/// doing so can result in application failures when updating to a new Entity Framework Core release.
/// </summary>
protected ProxiesOptionsExtension([NotNull] ProxiesOptionsExtension copyFrom)
{
_useLazyLoadingProxies = copyFrom._useLazyLoadingProxies;
_useChangeDetectionProxies = copyFrom._useChangeDetectionProxies;
_checkEquality = copyFrom._checkEquality;
}