private void LocalDetectChanges(InternalEntityEntry entry)
{
var entityType = entry.EntityType;
foreach (var property in entityType.GetProperties())
{
if (property.GetOriginalValueIndex() >= 0 &&
!entry.IsModified(property) &&
!entry.IsConceptualNull(property))
{
var current = entry[property];
var original = entry.GetOriginalValue(property);
var comparer = property.GetValueComparer();
if (comparer == null)
{
if (!Equals(current, original))
{
SetPropertyModified();
}
}
else if (!comparer.Equals(current, original))
{
SetPropertyModified();
}
void SetPropertyModified()
{
if (entry.EntityState == EntityState.Deleted)
{
ThrowIfKeyChanged(entry, property);
}
else
{
LogChangeDetected(entry, property, original, current);
entry.SetPropertyModified(property);
}
}
}
}
foreach (var property in entityType.GetProperties())
{
DetectKeyChange(entry, property);
}
if (entry.HasRelationshipSnapshot)
{
foreach (var navigation in entityType.GetNavigations())
{
DetectNavigationChange(entry, navigation);
}
foreach (var navigation in entityType.GetSkipNavigations())
{
DetectNavigationChange(entry, navigation);
}
}
}
private void LocalDetectChanges(InternalEntityEntry entry)
{
var entityType = entry.EntityType;
if (entry.EntityType.GetChangeTrackingStrategy() != ChangeTrackingStrategy.Snapshot)
{
return;
}
foreach (var property in entityType.GetProperties())
{
if (property.GetOriginalValueIndex() >= 0 &&
!entry.IsModified(property) &&
!entry.IsConceptualNull(property))
{
DetectValueChange(entry, property);
}
DetectKeyChange(entry, property);
}
if (entry.HasRelationshipSnapshot)
{
foreach (var navigation in entityType.GetNavigations())
{
DetectNavigationChange(entry, navigation);
}
foreach (var navigation in entityType.GetSkipNavigations())
{
DetectNavigationChange(entry, navigation);
}
}
}
/// <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 void DetectChanges(InternalEntityEntry entry)
{
var entityType = entry.EntityType;
foreach (var property in entityType.GetProperties())
{
if (property.GetOriginalValueIndex() >= 0 &&
!entry.IsModified(property) &&
!entry.IsConceptualNull(property))
{
var current = entry[property];
var original = entry.GetOriginalValue(property);
var comparer = property.GetValueComparer() ?? property.FindMapping()?.Comparer;
if (comparer == null)
{
if (!Equals(current, original))
{
LogChangeDetected(entry, property, original, current);
entry.SetPropertyModified(property);
}
}
else
{
if (!comparer.Equals(current, original))
{
LogChangeDetected(entry, property, original, current);
entry.SetPropertyModified(property);
}
}
}
}
foreach (var property in entityType.GetProperties())
{
DetectKeyChange(entry, property);
}
if (entry.HasRelationshipSnapshot)
{
foreach (var navigation in entityType.GetNavigations())
{
DetectNavigationChange(entry, navigation);
}
}
}