/// <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 virtual Navigation HasPrincipalToDependent(
[CanBeNull] PropertyInfo property,
// ReSharper disable once MethodOverloadWithOptionalParameter
ConfigurationSource configurationSource = ConfigurationSource.Explicit)
=> Navigation(PropertyIdentity.Create(property), configurationSource, pointsToPrincipal: false);
/// <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>
private Navigation Navigation(
PropertyIdentity? propertyIdentity,
ConfigurationSource configurationSource,
bool runConventions,
bool pointsToPrincipal)
{
var name = propertyIdentity?.Name;
var oldNavigation = pointsToPrincipal ? DependentToPrincipal : PrincipalToDependent;
if (name == oldNavigation?.Name)
{
if (pointsToPrincipal)
{
UpdateDependentToPrincipalConfigurationSource(configurationSource);
}
else
{
UpdatePrincipalToDependentConfigurationSource(configurationSource);
}
return oldNavigation;
}
if (oldNavigation != null)
{
Debug.Assert(oldNavigation.Name != null);
if (pointsToPrincipal)
{
DeclaringEntityType.RemoveNavigation(oldNavigation.Name);
}
else
{
PrincipalEntityType.RemoveNavigation(oldNavigation.Name);
}
}
Navigation navigation = null;
var property = propertyIdentity?.Property;
if (property != null)
{
navigation = pointsToPrincipal
? DeclaringEntityType.AddNavigation(property, this, pointsToPrincipal: true)
: PrincipalEntityType.AddNavigation(property, this, pointsToPrincipal: false);
}
else if (name != null)
{
navigation = pointsToPrincipal
? DeclaringEntityType.AddNavigation(name, this, pointsToPrincipal: true)
: PrincipalEntityType.AddNavigation(name, this, pointsToPrincipal: false);
}
if (pointsToPrincipal)
{
DependentToPrincipal = navigation;
UpdateDependentToPrincipalConfigurationSource(configurationSource);
}
else
{
PrincipalToDependent = navigation;
UpdatePrincipalToDependentConfigurationSource(configurationSource);
}
if (runConventions)
{
if (oldNavigation != null)
{
Debug.Assert(oldNavigation.Name != null);
if (pointsToPrincipal)
{
DeclaringEntityType.Model.ConventionDispatcher.OnNavigationRemoved(
DeclaringEntityType.Builder,
PrincipalEntityType.Builder,
oldNavigation.Name,
oldNavigation.PropertyInfo);
}
else
{
DeclaringEntityType.Model.ConventionDispatcher.OnNavigationRemoved(
PrincipalEntityType.Builder,
DeclaringEntityType.Builder,
oldNavigation.Name,
oldNavigation.PropertyInfo);
}
}
if (navigation != null)
{
var builder = DeclaringEntityType.Model.ConventionDispatcher.OnNavigationAdded(Builder, navigation);
navigation = pointsToPrincipal ? builder?.Metadata.DependentToPrincipal : builder?.Metadata.PrincipalToDependent;
}
}
return navigation ?? oldNavigation;
}
/// <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 virtual Navigation HasDependentToPrincipal(
[CanBeNull] string name,
// ReSharper disable once MethodOverloadWithOptionalParameter
ConfigurationSource configurationSource = ConfigurationSource.Explicit)
=> Navigation(PropertyIdentity.Create(name), configurationSource, pointsToPrincipal: true);