/// <summary>
/// Creates a new instance of a item.
/// </summary>
public ArchiveItemState(ISystemContext context, ArchiveItem item, ushort namespaceIndex)
:
base(null)
{
ArchiveItem = item;
TypeDefinitionId = VariableTypeIds.DataItemType;
SymbolicName = ArchiveItem.Name;
NodeId = ConstructId(ArchiveItem.UniquePath, namespaceIndex);
BrowseName = new QualifiedName(ArchiveItem.Name, namespaceIndex);
DisplayName = new LocalizedText(BrowseName.Name);
Description = null;
WriteMask = 0;
UserWriteMask = 0;
DataType = DataTypeIds.BaseDataType;
ValueRank = ValueRanks.Scalar;
AccessLevel = AccessLevels.HistoryReadOrWrite | AccessLevels.CurrentRead;
UserAccessLevel = AccessLevels.HistoryReadOrWrite | AccessLevels.CurrentRead;
MinimumSamplingInterval = MinimumSamplingIntervals.Indeterminate;
Historizing = true;
_annotations = new PropertyState <Annotation>(this)
{
ReferenceTypeId = ReferenceTypeIds.HasProperty,
TypeDefinitionId = VariableTypeIds.PropertyType,
SymbolicName = BrowseNames.Annotations,
BrowseName = BrowseNames.Annotations
};
_annotations.DisplayName = new LocalizedText(_annotations.BrowseName.Name);
_annotations.Description = null;
_annotations.WriteMask = 0;
_annotations.UserWriteMask = 0;
_annotations.DataType = DataTypeIds.Annotation;
_annotations.ValueRank = ValueRanks.Scalar;
_annotations.AccessLevel = AccessLevels.HistoryReadOrWrite;
_annotations.UserAccessLevel = AccessLevels.HistoryReadOrWrite;
_annotations.MinimumSamplingInterval = MinimumSamplingIntervals.Indeterminate;
_annotations.Historizing = false;
AddChild(_annotations);
_annotations.NodeId = NodeTypes.ConstructIdForComponent(_annotations, namespaceIndex);
_configuration = new HistoricalDataConfigurationState(this);
_configuration.MaxTimeInterval = new PropertyState <double>(_configuration);
_configuration.MinTimeInterval = new PropertyState <double>(_configuration);
_configuration.StartOfArchive = new PropertyState <DateTime>(_configuration);
_configuration.StartOfOnlineArchive = new PropertyState <DateTime>(_configuration);
_configuration.Create(
context,
null,
BrowseNames.HAConfiguration,
null,
true);
_configuration.SymbolicName = BrowseNames.HAConfiguration;
_configuration.ReferenceTypeId = ReferenceTypeIds.HasHistoricalConfiguration;
AddChild(_configuration);
}
/// <summary>
/// Creates a new variable.
/// </summary>
private BaseDataVariableState CreateHistoricalAccessVariable(NodeState parent, string path, string name, string description, NodeId dataType, int valueRank, byte accessLevel, object initialValue)
{
var variable = CreateBaseDataVariableState(parent, path, name, description, dataType, valueRank, accessLevel, initialValue);
variable.Historizing = true;
variable.AccessLevel = AccessLevels.HistoryReadOrWrite | AccessLevels.CurrentRead;
variable.UserAccessLevel = AccessLevels.HistoryReadOrWrite | AccessLevels.CurrentRead;
variable.MinimumSamplingInterval = MinimumSamplingIntervals.Indeterminate;
// TODO Support of Annotations
//var annotations = new PropertyState<Annotation>(variable)
//{
// ReferenceTypeId = ReferenceTypeIds.HasProperty,
// TypeDefinitionId = VariableTypeIds.PropertyType,
// SymbolicName = Opc.Ua.BrowseNames.Annotations,
// BrowseName = Opc.Ua.BrowseNames.Annotations
//};
//annotations.DisplayName = new LocalizedText(annotations.BrowseName.Name);
//annotations.Description = null;
//annotations.WriteMask = 0;
//annotations.UserWriteMask = 0;
//annotations.DataType = DataTypeIds.Annotation;
//annotations.ValueRank = ValueRanks.Scalar;
//annotations.AccessLevel = AccessLevels.HistoryReadOrWrite;
//annotations.UserAccessLevel = AccessLevels.HistoryReadOrWrite;
//annotations.MinimumSamplingInterval = MinimumSamplingIntervals.Indeterminate;
//annotations.Historizing = false;
//variable.AddChild(annotations);
//annotations.NodeId = new NodeId(annotations.BrowseName.Name, NamespaceIndex);
HistoricalDataConfigurationState historicalDataConfigurationState = new HistoricalDataConfigurationState(variable);
historicalDataConfigurationState.MaxTimeInterval = new PropertyState <double>(historicalDataConfigurationState);
historicalDataConfigurationState.MinTimeInterval = new PropertyState <double>(historicalDataConfigurationState);;
historicalDataConfigurationState.StartOfArchive = new PropertyState <DateTime>(historicalDataConfigurationState);
historicalDataConfigurationState.StartOfOnlineArchive = new PropertyState <DateTime>(historicalDataConfigurationState);
historicalDataConfigurationState.Create(
SystemContext,
null,
Opc.Ua.BrowseNames.HAConfiguration,
null,
true);
historicalDataConfigurationState.SymbolicName = Opc.Ua.BrowseNames.HAConfiguration;
historicalDataConfigurationState.ReferenceTypeId = ReferenceTypeIds.HasHistoricalConfiguration;
variable.AddChild(historicalDataConfigurationState);
dynamicNodes_.Add(variable);
return(variable);
}
/// <summary>
/// Creates a new instance of a item.
/// </summary>
public ArchiveItemState(ISystemContext context, ArchiveItem item, ushort namespaceIndex)
:
base(null)
{
m_archiveItem = item;
this.TypeDefinitionId = VariableTypeIds.DataItemType;
this.SymbolicName = m_archiveItem.Name;
this.NodeId = ConstructId(m_archiveItem.UniquePath, namespaceIndex);
this.BrowseName = new QualifiedName(m_archiveItem.Name, namespaceIndex);
this.DisplayName = new LocalizedText(this.BrowseName.Name);
this.Description = null;
this.WriteMask = 0;
this.UserWriteMask = 0;
this.DataType = DataTypeIds.BaseDataType;
this.ValueRank = ValueRanks.Scalar;
this.AccessLevel = AccessLevels.HistoryReadOrWrite | AccessLevels.CurrentRead;
this.UserAccessLevel = AccessLevels.HistoryReadOrWrite | AccessLevels.CurrentRead;
this.MinimumSamplingInterval = MinimumSamplingIntervals.Indeterminate;
this.Historizing = true;
m_annotations = new PropertyState<Annotation>(this);
m_annotations.ReferenceTypeId = ReferenceTypeIds.HasProperty;
m_annotations.TypeDefinitionId = VariableTypeIds.PropertyType;
m_annotations.SymbolicName = Opc.Ua.BrowseNames.Annotations;
m_annotations.BrowseName = Opc.Ua.BrowseNames.Annotations;
m_annotations.DisplayName = new LocalizedText(m_annotations.BrowseName.Name);
m_annotations.Description = null;
m_annotations.WriteMask = 0;
m_annotations.UserWriteMask = 0;
m_annotations.DataType = DataTypeIds.Annotation;
m_annotations.ValueRank = ValueRanks.Scalar;
m_annotations.AccessLevel = AccessLevels.HistoryReadOrWrite;
m_annotations.UserAccessLevel = AccessLevels.HistoryReadOrWrite;
m_annotations.MinimumSamplingInterval = MinimumSamplingIntervals.Indeterminate;
m_annotations.Historizing = false;
this.AddChild(m_annotations);
m_annotations.NodeId = NodeTypes.ConstructIdForComponent(m_annotations, namespaceIndex);
m_configuration = new HistoricalDataConfigurationState(this);
m_configuration.MaxTimeInterval = new PropertyState<double>(m_configuration);
m_configuration.MinTimeInterval = new PropertyState<double>(m_configuration); ;
m_configuration.StartOfArchive = new PropertyState<DateTime>(m_configuration);
m_configuration.StartOfOnlineArchive = new PropertyState<DateTime>(m_configuration);
m_configuration.Create(
context,
null,
Opc.Ua.BrowseNames.HAConfiguration,
null,
true);
m_configuration.SymbolicName = Opc.Ua.BrowseNames.HAConfiguration;
m_configuration.ReferenceTypeId = ReferenceTypeIds.HasHistoricalConfiguration;
this.AddChild(m_configuration);
}
/// <summary>
/// Reads the historical configuration for the node.
/// </summary>
private HistoricalDataConfigurationState ReadConfiguration()
{
// load the defaults for the historical configuration object.
HistoricalDataConfigurationState configuration = new HistoricalDataConfigurationState(null);
configuration.Definition = new PropertyState<string>(configuration);
configuration.MaxTimeInterval = new PropertyState<double>(configuration);
configuration.MinTimeInterval = new PropertyState<double>(configuration);
configuration.ExceptionDeviation = new PropertyState<double>(configuration);
configuration.ExceptionDeviationFormat = new PropertyState<ExceptionDeviationFormat>(configuration);
configuration.StartOfArchive = new PropertyState<DateTime>(configuration);
configuration.StartOfOnlineArchive = new PropertyState<DateTime>(configuration);
configuration.Create(
m_session.SystemContext,
null,
Opc.Ua.BrowseNames.HAConfiguration,
null,
false);
// get the browse paths to query.
RelativePathElement element = new RelativePathElement();
element.ReferenceTypeId = Opc.Ua.ReferenceTypeIds.HasHistoricalConfiguration;
element.IsInverse = false;
element.IncludeSubtypes = false;
element.TargetName = Opc.Ua.BrowseNames.HAConfiguration;
RelativePath relativePath = new RelativePath();
relativePath.Elements.Add(element);
BrowsePathCollection pathsToTranslate = new BrowsePathCollection();
GetBrowsePathFromNodeState(
m_session.SystemContext,
m_nodeId,
configuration,
relativePath,
pathsToTranslate);
// translate browse paths.
BrowsePathResultCollection results = null;
DiagnosticInfoCollection diagnosticInfos = null;
m_session.TranslateBrowsePathsToNodeIds(
null,
pathsToTranslate,
out results,
out diagnosticInfos);
ClientBase.ValidateResponse(results, pathsToTranslate);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, pathsToTranslate);
// build list of values to read.
ReadValueIdCollection valuesToRead = new ReadValueIdCollection();
for (int ii = 0; ii < pathsToTranslate.Count; ii++)
{
BaseVariableState variable = (BaseVariableState)pathsToTranslate[ii].Handle;
variable.Value = null;
variable.StatusCode = StatusCodes.BadNotSupported;
if (StatusCode.IsBad(results[ii].StatusCode) || results[ii].Targets.Count == 0)
{
continue;
}
if (results[ii].Targets[0].RemainingPathIndex == UInt32.MaxValue && !results[ii].Targets[0].TargetId.IsAbsolute)
{
variable.NodeId = (NodeId)results[ii].Targets[0].TargetId;
ReadValueId valueToRead = new ReadValueId();
valueToRead.NodeId = variable.NodeId;
valueToRead.AttributeId = Attributes.Value;
valueToRead.Handle = variable;
valuesToRead.Add(valueToRead);
}
}
// read the values.
if (valuesToRead.Count > 0)
{
DataValueCollection values = null;
m_session.Read(
null,
0,
TimestampsToReturn.Neither,
valuesToRead,
out values,
out diagnosticInfos);
ClientBase.ValidateResponse(values, valuesToRead);
ClientBase.ValidateDiagnosticInfos(diagnosticInfos, valuesToRead);
for (int ii = 0; ii < valuesToRead.Count; ii++)
{
BaseVariableState variable = (BaseVariableState)valuesToRead[ii].Handle;
variable.WrappedValue = values[ii].WrappedValue;
variable.StatusCode = values[ii].StatusCode;
}
}
return configuration;
}
/// <summary>
/// Changes the node monitored by the control.
/// </summary>
public void ChangeNode(NodeId nodeId)
{
m_nodeId = nodeId;
m_configuration = null;
m_properties = null;
PropertyCB.Items.Clear();
m_dataset.Clear();
NodeIdTB.Text = m_session.NodeCache.GetDisplayText(m_nodeId);
if (!NodeId.IsNull(nodeId))
{
m_properties = FindPropertiesWithHistory();
if (m_properties == null || m_properties.Count <= 1)
{
PropertyLB.Visible = false;
PropertyCB.Visible = false;
}
else
{
PropertyCB.Items.AddRange((object[])m_properties.ToArray());
PropertyCB.SelectedIndex = 0;
PropertyLB.Visible = true;
PropertyCB.Visible = true;
}
m_configuration = ReadConfiguration();
if (StatusCode.IsBad(m_configuration.Stepped.StatusCode))
{
this.ReadTypeCB.Enabled = false;
this.ReadTypeCB.SelectedItem = HistoryReadType.Subscribe;
}
else
{
this.ReadTypeCB.Enabled = true;
if (!m_timesChanged)
{
DateTime startTime = ReadFirstDate();
if (startTime != DateTime.MinValue)
{
StartTimeDP.Value = startTime;
}
DateTime endTime = ReadLastDate();
if (endTime != DateTime.MinValue)
{
EndTimeDP.Value = endTime;
}
}
}
}
if (m_subscription != null)
{
MonitoredItem monitoredItem = new MonitoredItem(m_monitoredItem);
monitoredItem.StartNodeId = nodeId;
m_subscription.AddItem(monitoredItem);
m_subscription.RemoveItem(m_monitoredItem);
m_monitoredItem = monitoredItem;
monitoredItem.Notification += new MonitoredItemNotificationEventHandler(MonitoredItem_Notification);
m_subscription.ApplyChanges();
SubscriptionStateChanged();
}
}
