当前位置: 首页>>代码示例>>C#>>正文


C# MonitoredItem.GetReadValueId方法代码示例

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);
            }
        }
开发者ID:yuriik83,项目名称:UA-.NET,代码行数:38,代码来源:HdaSubscribeRequestManager.cs

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);
            }
        }
开发者ID:yuriik83,项目名称:UA-.NET,代码行数:52,代码来源:SubscribeRequest.cs


注:本文中的Opc.Ua.Server.MonitoredItem.GetReadValueId方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。