public ReadTagResult GetReadTagResult(CCTag tag)
{
ReadTagResult rtr = new ReadTagResult(tag.Name);
object value = this.ReadTag(tag.Name);
rtr.Value = value;
rtr.UpdateTime = DateTime.Now;
return(rtr);
}
/// <summary>
/// 添加变量监视
/// </summary>
/// <param name="tagObserver"></param>
/// <param name="tag"></param>
public static void AddTagRx(CControl tagObserver, CCTag tag)
{
if (!HotTags.ContainsKey(tag.Name))
{
Subject <ReadTagResult> tagSubject = new Subject <ReadTagResult>();
IObservable <long> tagTimer = GetOrCreateTimer(tag.AcquisitionCycle);
TagObserver tagTimerObser = new TagObserver(ref tagObserver, tag, tagSubject);
IObservable <ReadTagResult> hotTag = tagTimerObser.Publish().RefCount();
HotTags[tag.Name] = hotTag;
TagObservers[tag.Name] = tagTimerObser;
TagTimerObservsers[tag.Name] = tagTimer.Subscribe(tagTimerObser);
}
else
{
TagObserver tagTimerObser = TagObservers[tag.Name];
tagTimerObser.changeCC(ref tagObserver);
}
}
public TagObserver(ref CControl cc, CCTag tag, Subject <ReadTagResult> subject)
{
CC = cc;
Tag = tag;
Subject = subject;
}
