private void DetectKeyChange(InternalEntityEntry entry, IProperty property)
{
if (property.GetRelationshipIndex() < 0)
{
return;
}
var snapshotValue = entry.GetRelationshipSnapshotValue(property);
var currentValue = entry[property];
var comparer = property.GetKeyValueComparer();
// Note that mutation of a byte[] key is not supported or detected, but two different instances
// of byte[] with the same content must be detected as equal.
if (!comparer.Equals(currentValue, snapshotValue))
{
var keys = property.GetContainingKeys();
var foreignKeys = property.GetContainingForeignKeys()
.Where(fk => fk.DeclaringEntityType.IsAssignableFrom(entry.EntityType));
if (_loggingOptions.IsSensitiveDataLoggingEnabled)
{
_logger.ForeignKeyChangeDetectedSensitive(entry, property, snapshotValue, currentValue);
}
else
{
_logger.ForeignKeyChangeDetected(entry, property, snapshotValue, currentValue);
}
entry.StateManager.InternalEntityEntryNotifier.KeyPropertyChanged(
entry, property, keys, foreignKeys, snapshotValue, currentValue);
}
}
/// <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 void DetectNavigationChange(InternalEntityEntry entry, INavigationBase navigationBase)
{
var snapshotValue = entry.GetRelationshipSnapshotValue(navigationBase);
var currentValue = entry[navigationBase];
var stateManager = entry.StateManager;
if (navigationBase.IsCollection)
{
var snapshotCollection = (IEnumerable?)snapshotValue;
var currentCollection = (IEnumerable?)currentValue;
var removed = new HashSet <object>(LegacyReferenceEqualityComparer.Instance);
if (snapshotCollection != null)
{
foreach (var entity in snapshotCollection)
{
removed.Add(entity);
}
}
var added = new HashSet <object>(LegacyReferenceEqualityComparer.Instance);
if (currentCollection != null)
{
foreach (var entity in currentCollection)
{
if (!removed.Remove(entity))
{
added.Add(entity);
}
}
}
if (added.Count > 0 ||
removed.Count > 0)
{
if (_loggingOptions.IsSensitiveDataLoggingEnabled)
{
if (navigationBase is INavigation navigation)
{
_logger.CollectionChangeDetectedSensitive(entry, navigation, added, removed);
}
else if (navigationBase is ISkipNavigation skipNavigation)
{
_logger.SkipCollectionChangeDetectedSensitive(entry, skipNavigation, added, removed);
}
}
else
{
if (navigationBase is INavigation navigation)
{
_logger.CollectionChangeDetected(entry, navigation, added, removed);
}
else if (navigationBase is ISkipNavigation skipNavigation)
{
_logger.SkipCollectionChangeDetected(entry, skipNavigation, added, removed);
}
}
stateManager.InternalEntityEntryNotifier.NavigationCollectionChanged(entry, navigationBase, added, removed);
}
}
else if (!ReferenceEquals(currentValue, snapshotValue))
{
Check.DebugAssert(navigationBase is INavigation, "Issue #21673. Non-collection skip navigations not supported.");
var navigation = (INavigation)navigationBase;
if (_loggingOptions.IsSensitiveDataLoggingEnabled)
{
_logger.ReferenceChangeDetectedSensitive(entry, navigation, snapshotValue, currentValue);
}
else
{
_logger.ReferenceChangeDetected(entry, navigation, snapshotValue, currentValue);
}
stateManager.InternalEntityEntryNotifier.NavigationReferenceChanged(entry, navigation, snapshotValue, currentValue);
}
}
private static void DetectKeyChange(InternalEntityEntry entry, IProperty property)
{
if (property.GetRelationshipIndex() >= 0)
{
var snapshotValue = entry.GetRelationshipSnapshotValue(property);
var currentValue = entry[property];
// Note that mutation of a byte[] key is not supported or detected, but two different instances
// of byte[] with the same content must be detected as equal.
if (!StructuralComparisons.StructuralEqualityComparer.Equals(currentValue, snapshotValue))
{
var keys = property.FindContainingKeys().ToList();
var foreignKeys = property.FindContainingForeignKeys().ToList();
entry.StateManager.Notify.KeyPropertyChanged(entry, property, keys, foreignKeys, snapshotValue, currentValue);
}
}
}
private void DetectNavigationChange(InternalEntityEntry entry, INavigation navigation)
{
var snapshotValue = entry.GetRelationshipSnapshotValue(navigation);
var currentValue = entry[navigation];
var stateManager = entry.StateManager;
if (navigation.IsCollection())
{
var snapshotCollection = (IEnumerable)snapshotValue;
var currentCollection = (IEnumerable)currentValue;
var removed = new HashSet<object>(ReferenceEqualityComparer.Instance);
if (snapshotCollection != null)
{
foreach (var entity in snapshotCollection)
{
removed.Add(entity);
}
}
var added = new HashSet<object>(ReferenceEqualityComparer.Instance);
if (currentCollection != null)
{
foreach (var entity in currentCollection)
{
if (!removed.Remove(entity))
{
added.Add(entity);
}
}
}
if (added.Any()
|| removed.Any())
{
stateManager.Notify.NavigationCollectionChanged(entry, navigation, added, removed);
}
}
else if (!ReferenceEquals(currentValue, snapshotValue))
{
stateManager.Notify.NavigationReferenceChanged(entry, navigation, snapshotValue, currentValue);
}
}
private void DetectNavigationChange(InternalEntityEntry entry, INavigation navigation)
{
var snapshotValue = entry.GetRelationshipSnapshotValue(navigation);
var currentValue = entry[navigation];
var stateManager = entry.StateManager;
if (navigation.IsCollection())
{
var snapshotCollection = (IEnumerable)snapshotValue;
var currentCollection = (IEnumerable)currentValue;
var removed = new HashSet <object>(ReferenceEqualityComparer.Instance);
if (snapshotCollection != null)
{
foreach (var entity in snapshotCollection)
{
removed.Add(entity);
}
}
var added = new HashSet <object>(ReferenceEqualityComparer.Instance);
if (currentCollection != null)
{
foreach (var entity in currentCollection)
{
if (!removed.Remove(entity))
{
added.Add(entity);
}
}
}
if (added.Count > 0 ||
removed.Count > 0)
{
if (_loggingOptions.IsSensitiveDataLoggingEnabled)
{
_logger.CollectionChangeDetectedSensitive(entry, navigation, added, removed);
}
else
{
_logger.CollectionChangeDetected(entry, navigation, added, removed);
}
stateManager.InternalEntityEntryNotifier.NavigationCollectionChanged(entry, navigation, added, removed);
}
}
else if (!ReferenceEquals(currentValue, snapshotValue) &&
(!navigation.ForeignKey.IsOwnership ||
!navigation.IsDependentToPrincipal()))
{
if (_loggingOptions.IsSensitiveDataLoggingEnabled)
{
_logger.ReferenceChangeDetectedSensitive(entry, navigation, snapshotValue, currentValue);
}
else
{
_logger.ReferenceChangeDetected(entry, navigation, snapshotValue, currentValue);
}
stateManager.InternalEntityEntryNotifier.NavigationReferenceChanged(entry, navigation, snapshotValue, currentValue);
}
}
