public void Write(object clientObj, ValueStatusTimestamp valueStatusTimestamp)
{
if (XiList is null || XiList.Disposed)
{
return;
}
ClientObjectInfo?modelItem;
if (!ClientObjectInfosDictionary.TryGetValue(clientObj, out modelItem))
{
return;
}
if (modelItem.XiListItemWrapper is null || modelItem.XiListItemWrapper.XiListItem is null || modelItem.XiListItemWrapper.XiListItem.ResultCode != XiFaultCodes.S_OK)
{
return;
}
IXiDataListItem xiDataListItem = modelItem.XiListItemWrapper.XiListItem;
try
{
xiDataListItem.PrepareForWrite(valueStatusTimestamp);
try
{
XiList.CommitWriteDataListItems();
}
catch
{
}
}
catch (Exception ex)
{
Logger?.LogWarning(ex, "Exception");
}
}
/// <summary>
/// Returns clientObjs whose write failed.
/// If connection error, no throw and returns all clientObjs.
/// </summary>
/// <param name="clientObjs"></param>
/// <param name="valueStatusTimestamps"></param>
/// <returns></returns>
public object[] Write(object[] clientObjs, ValueStatusTimestamp[] valueStatusTimestamps)
{
if (XiList is null || XiList.Disposed)
{
return(clientObjs);
}
int i = -1;
var result = new List <object>();
foreach (var clientObj in clientObjs)
{
i++;
ClientObjectInfo?modelItem;
if (!ClientObjectInfosDictionary.TryGetValue(clientObj, out modelItem))
{
result.Add(clientObj);
continue;
}
if (modelItem.XiListItemWrapper is null ||
modelItem.XiListItemWrapper.XiListItem is null ||
modelItem.XiListItemWrapper.XiListItem.ResultCode != XiFaultCodes.S_OK)
{
result.Add(clientObj);
continue;
}
IXiDataListItem xiDataListItem = modelItem.XiListItemWrapper.XiListItem;
xiDataListItem.PrepareForWrite(valueStatusTimestamps[i]);
}
IEnumerable <IXiDataListItem>?failedItems = null;
try
{
failedItems = XiList.CommitWriteDataListItems();
}
catch
{
return(clientObjs);
}
if (failedItems is not null)
{
foreach (var xiDataListItem in failedItems)
{
var o = xiDataListItem.Obj as XiListItemWrapper;
if (o is null)
{
throw new InvalidOperationException();
}
foreach (var modelItem in o.ClientObjectInfosCollection)
{
if (modelItem.ClientObj is not null)
{
result.Add(modelItem.ClientObj);
}
}
}
}
return(result.ToArray());
}