/// <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()
{
if (_stateManager.Model[ChangeDetector.SkipDetectChangesAnnotation] == null)
{
_changeDetector.DetectChanges(_stateManager);
}
}
public virtual bool SaveChanges()
{
try
{
var updatedEntries = changeDetector_.DetectChanges(stateManager_.GetTrackedEntities <object>())
.Where(update => update.EntityUpdates.Count() > 0)
.Each(update =>
{
var sb = new StringBuilder();
sb.AppendLine($"USE {options_.DatabaseName}");
sb.AppendLine(updateQueryTranslator_.Translate(update));
var command = database_.CreateCommand(builder => builder.WithCommandText(sb.ToString()));
database_.ExecuteCommand(command);
});
return(true);
}
catch (Exception e)
{
return(false);
}
}
/// <summary> /// Scans the tracked entity instances to detect any changes made to the instance data. <see cref="DetectChanges" /> /// is usually called automatically by the context when up-to-date information is required (before /// <see cref="DbContext.SaveChanges()" /> /// and when returning change tracking information). You typically only need to call this method if you have disabled /// <see cref="AutoDetectChangesEnabled" />. /// </summary> public virtual void DetectChanges() => _changeDetector.DetectChanges(_stateManager);
