本文整理汇总了C#中Opc.Ua.Server.MonitoredItem.GetReadValueId方法的典型用法代码示例。如果您正苦于以下问题:C# MonitoredItem.GetReadValueId方法的具体用法?C# MonitoredItem.GetReadValueId怎么用?C# MonitoredItem.GetReadValueId使用的例子?那么恭喜您, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类Opc.Ua.Server.MonitoredItem
的用法示例。
在下文中一共展示了MonitoredItem.GetReadValueId方法的2个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C#代码示例。
示例1: QueueValue
/// <summary>
/// Queues the value to the monitored item.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="request">The request.</param>
/// <param name="monitoredItem">The monitored item.</param>
private void QueueValue(ServerSystemContext context, HdaReadRequest request, MonitoredItem monitoredItem)
{
NodeHandle handle = monitoredItem.ManagerHandle as NodeHandle;
if (handle == null)
{
return;
}
ReadValueId nodeToRead = monitoredItem.GetReadValueId();
DataValue value = new DataValue();
ServiceResult error = null;
HdaItemState item = handle.Node as HdaItemState;
HdaAttributeState attribute = handle.Node as HdaAttributeState;
if (item != null)
{
error = request.GetResult(context, item, nodeToRead, value, monitoredItem.DiagnosticsMasks);
}
else if (attribute != null)
{
error = request.GetResult(context, attribute, nodeToRead, value, monitoredItem.DiagnosticsMasks);
}
value.ServerTimestamp = DateTime.UtcNow;
if (value.StatusCode != StatusCodes.BadNotFound)
{
monitoredItem.QueueValue(value, error);
}
}
示例2: QueueValue
/// <summary>
/// Queues the value to the monitored item.
/// </summary>
/// <param name="context">The context.</param>
/// <param name="request">The request.</param>
/// <param name="monitoredItem">The monitored item.</param>
public void QueueValue(ServerSystemContext context, ReadRequest request, MonitoredItem monitoredItem)
{
NodeHandle handle = monitoredItem.ManagerHandle as NodeHandle;
if (handle == null)
{
return;
}
ReadValueId nodeToRead = monitoredItem.GetReadValueId();
DataValue value = new DataValue();
ServiceResult error = null;
// read item value.
DaItemState item = handle.Node as DaItemState;
DaPropertyState daProperty = handle.Node as DaPropertyState;
PropertyState uaProperty = handle.Node as PropertyState;
if (item != null)
{
error = request.GetResult(context, item, nodeToRead, value, monitoredItem.DiagnosticsMasks);
}
// read vendor defined property value.
else if (daProperty != null)
{
error = request.GetResult(context, daProperty, nodeToRead, value, monitoredItem.DiagnosticsMasks);
}
// read UA defined property value.
else if (uaProperty != null)
{
error = request.GetResult(context, uaProperty, nodeToRead, value, monitoredItem.DiagnosticsMasks);
}
value.ServerTimestamp = DateTime.UtcNow;
if (value.StatusCode != StatusCodes.BadNotFound)
{
monitoredItem.QueueValue(value, error);
}
else
{
monitoredItem.QueueValue(value, StatusCodes.BadNodeIdUnknown);
}
}