private bool Navigation(
[CanBeNull] string navigationName,
[NotNull] ForeignKey foreignKey,
bool pointsToPrincipal,
ConfigurationSource configurationSource,
bool canOverrideSameSource)
{
Check.NotNull(foreignKey, "foreignKey");
var navigation = pointsToPrincipal
? foreignKey.GetNavigationToPrincipal()
: foreignKey.GetNavigationToDependent();
var fkOwner = foreignKey.EntityType == Metadata
? this
: ModelBuilder.Entity(foreignKey.EntityType.Name, ConfigurationSource.Convention);
if (navigationName == navigation?.Name)
{
fkOwner._relationshipBuilders.Value.UpdateConfigurationSource(foreignKey, configurationSource);
return(true);
}
if (!CanSetNavigation(navigationName, foreignKey, pointsToPrincipal, configurationSource, canOverrideSameSource))
{
return(false);
}
navigation?.EntityType.RemoveNavigation(navigation);
var conflictingNavigation = navigationName == null
? null
: Metadata.TryGetNavigation(navigationName);
if (conflictingNavigation != null)
{
var removed = RemoveRelationship(conflictingNavigation.ForeignKey, configurationSource);
Debug.Assert(removed);
}
if (navigationName != null)
{
if (_ignoredProperties.HasValue)
{
_ignoredProperties.Value.Remove(navigationName);
}
fkOwner._relationshipBuilders.Value.UpdateConfigurationSource(foreignKey, configurationSource);
Metadata.AddNavigation(navigationName, foreignKey, pointsToPrincipal);
return(true);
}
return(true);
}
