internal static void HandleInitialData(string url, OpcInitialData initialData)
{
log.Debug("HandleInitialData entered");
OPCServerFolderBehaviorData folderExt = EntityCache <OPCServerFolderBehaviorData> .GetCache().AllEntities.FirstOrDefault(s => s.Url == url);
Folder f = folderExt?.GetEntity() as Folder;
if (f == null)
{
throw new Exception("No OPC server found with this URL");
}
if (initialData.Nodes != null)
{
UpdateTagsInFolder(f.FolderID + ".tagdata", f.FolderID, url, initialData.Nodes);
}
string[] eventIds = FolderService.GetFolderEntities <OPCEvent>(f.FolderID).Select(e => e.Id).ToArray();
foreach (BaseTagValue value in initialData.Values)
{
// Record the value separately for each event, because they might update at different rates:
foreach (string eventId in eventIds)
{
string key = eventId + "|" + value.Path;
OPCEngine.mostRecentValues[key] = value;
}
}
log.Debug("HandleInitialData complete");
}
public ResultData Run(StepStartData data)
{
object value = data.Data[VALUE_INPUT];
OPCTag tag;
string serverUrl;
if (chooseTagAtRuntime)
{
string tagPath = data.Data[TAG_INPUT] as string;
serverUrl = data.Data[SERVER_URL_INPUT] as string;
if (string.IsNullOrEmpty(tagPath))
{
throw new Exception("No tag specified");
}
if (string.IsNullOrEmpty(serverUrl))
{
throw new Exception("No server URL specified");
}
tag = EntityCache <OPCTag> .GetCache().AllEntities.FirstOrDefault(x => x.Path == tagPath && x.ServerUrl == serverUrl);
if (tag == null)
{
throw new Exception($"No tag found at '{tagPath}' on server '{serverUrl}'");
}
}
else
{
tag = EntityCache <OPCTag> .GetCache().GetById(tagId);
if (tag == null)
{
throw new Exception($"Tag '{tagId}' not found");
}
serverUrl = tag.ServerUrl;
}
BaseTagValue tagValue = TagValueUtils.GetTagWithValue(TypeUtilities.FindTypeByFullName(tag.TypeName), value);
tagValue.Path = tag.Path;
OPCServerFolderBehaviorData folderExt = EntityCache <OPCServerFolderBehaviorData> .GetCache().AllEntities.FirstOrDefault(s => s.Url == serverUrl);
Folder folder = folderExt?.GetEntity() as Folder;
if (folder == null)
{
throw new Exception($"No server folder configured for URL '{serverUrl}'.");
}
OPCEngine.SetTagValues(serverUrl, folderExt.AgentId, new BaseTagValue[] { tagValue });
return(new ResultData(PATH_DONE, new KeyValuePair <string, object>[] { }));
}