private void FileReferenceChangeContext_FileChanged(object sender, string fullFilePath)
{
lock (_gate)
{
if (_metadataReferenceRefreshCancellationTokenSources.TryGetValue(fullFilePath, out var cancellationTokenSource))
{
cancellationTokenSource.Cancel();
_metadataReferenceRefreshCancellationTokenSources.Remove(fullFilePath);
}
cancellationTokenSource = new CancellationTokenSource();
_metadataReferenceRefreshCancellationTokenSources.Add(fullFilePath, cancellationTokenSource);
Task.Delay(TimeSpan.FromSeconds(5), cancellationTokenSource.Token).ContinueWith(_ =>
{
var needsNotification = false;
lock (_gate)
{
// We need to re-check the cancellation token source under the lock, since it might have been cancelled and restarted
// due to another event
cancellationTokenSource.Token.ThrowIfCancellationRequested();
needsNotification = true;
_metadataReferenceRefreshCancellationTokenSources.Remove(fullFilePath);
}
if (needsNotification)
{
ReferenceChanged?.Invoke(this, fullFilePath);
}
}, cancellationTokenSource.Token, TaskContinuationOptions.OnlyOnRanToCompletion, TaskScheduler.Default);
}
}
internal void OnReferenceChanged(DBItem item)
{
if (!item.Attached)
{
return;
}
//if (item is DocumentWork work)
//{
// if (work.Completed || work.UpdateState == DBUpdateState.Default)
// RefreshCache();
//}
//else if (item is DocumentReference reference)
//{
// RefChanged?.Invoke(this, ListChangedType.Reset);
//}
if (item.UpdateState != DBUpdateState.Default && (item.UpdateState & DBUpdateState.Commit) != DBUpdateState.Commit && item.Attached)
{
changes++;
}
else if (changes > 0 && (item.UpdateState == DBUpdateState.Default || !item.Attached))
{
changes--;
}
ReferenceChanged?.Invoke(this, new DBItemEventArgs(item));
}
protected virtual void OnReferenceChanged(ReferenceChangedEventArgs <T> e)
{
ReferenceChanged?.Invoke(this, e);
}
public void OnReferenceChanged(object source, CHEventArgs args)
{
ReferenceChanged?.Invoke(source, args);
}