/// <summary>
/// Populates an annotation response title, text and tags for specified annotation <paramref name="type"/>.
/// </summary>
/// <param name="type">Annotation type.</param>
/// <param name="response">Annotation response.</param>
/// <param name="target">Target of annotation response.</param>
/// <param name="definition">Associated metadata definition for response.</param>
/// <param name="datapoint">Time series values data point for response.</param>
/// <param name="source">Metadata of source definitions.</param>
/// <returns>Populates an annotation response title, text and tags for specified annotation <paramref name="type"/>.</returns>
public static void PopulateResponse(this AnnotationType type, AnnotationResponse response, string target, DataRow definition, double[] datapoint, DataSet source)
{
if (response == null)
{
throw new ArgumentNullException(nameof(response));
}
if ((object)target == null)
{
throw new ArgumentNullException(nameof(target));
}
if (definition == null)
{
throw new ArgumentNullException(nameof(definition));
}
if (datapoint == null)
{
throw new ArgumentNullException(nameof(datapoint));
}
switch (type)
{
case AnnotationType.RaisedAlarms:
case AnnotationType.ClearedAlarms:
DataRow metadata = GetTargetMetaData(source, definition["SignalID"]);
response.title = $"Alarm {(type == AnnotationType.RaisedAlarms ? "Raised" : "Cleared")}";
response.text = $"{definition["Description"]}<br/>Condition: {GetAlarmCondition(definition)}<br/>Severity: {definition["Severity"]}<br/>[{metadata["ID"]}]: {metadata["SignalReference"]}";
response.tags = $"{metadata["PointTag"]},{target}";
break;
default:
throw new InvalidOperationException("Cannot populate response information for specified annotation type.");
}
}
/// <summary>
/// Queries openHistorian for annotations in a time-range (e.g., Alarms).
/// </summary>
/// <param name="request">Annotation request.</param>
/// <param name="cancellationToken">Cancellation token.</param>
/// <returns>Queried annotations from data source.</returns>
public async Task<List<AnnotationResponse>> Annotations(AnnotationRequest request, CancellationToken cancellationToken)
{
bool useFilterExpression;
AnnotationType type = request.ParseQueryType(out useFilterExpression);
Dictionary<string, DataRow> definitions = request.ParseSourceDefinitions(type, Metadata, useFilterExpression);
List<TimeSeriesValues> annotationData = await Query(request.ExtractQueryRequest(definitions.Keys, MaximumAnnotationsPerRequest), cancellationToken);
List<AnnotationResponse> responses = new List<AnnotationResponse>();
foreach (TimeSeriesValues values in annotationData)
{
string target = values.target;
DataRow definition = definitions[target];
foreach (double[] datapoint in values.datapoints)
{
if (type.IsApplicable(datapoint))
{
AnnotationResponse response = new AnnotationResponse
{
annotation = request.annotation,
time = datapoint[TimeSeriesValues.Time]
};
type.PopulateResponse(response, target, definition, datapoint, Metadata);
responses.Add(response);
}
}
}
return responses;
}
/// <summary>
/// Populates an annotation response title, text and tags for specified annotation <paramref name="type"/>.
/// </summary>
/// <param name="type">Annotation type.</param>
/// <param name="response">Annotation response.</param>
/// <param name="target">Target of annotation response.</param>
/// <param name="definition">Associated metadata definition for response.</param>
/// <param name="datapoint">Time series values data point for response.</param>
/// <returns>Populates an annotation response title, text and tags for specified annotation <paramref name="type"/>.</returns>
public static void PopulateResponse(this AnnotationType type, AnnotationResponse response, string target, DataRow definition, double[] datapoint)
{
if ((object)response == null)
throw new ArgumentNullException(nameof(response));
if ((object)target == null)
throw new ArgumentNullException(nameof(target));
if ((object)definition == null)
throw new ArgumentNullException(nameof(definition));
if ((object)datapoint == null)
throw new ArgumentNullException(nameof(datapoint));
switch (type)
{
case AnnotationType.RaisedAlarms:
case AnnotationType.ClearedAlarms:
response.title = $"Alarm {(type == AnnotationType.RaisedAlarms ? "Raised" : "Cleared")}";
response.text = $"{definition["Description"]}<br>Severity = {definition["Severity"]}<br>{definition["TagName"]}";
response.tags = $"{GetTargetFromGuid(definition["SignalID"].ToString())}, {target}";
break;
default:
throw new InvalidOperationException("Cannot populate response information for specified annotation type.");
}
}
/// <summary>
/// Populates an annotation response title, text and tags for specified annotation <paramref name="type"/>.
/// </summary>
/// <param name="type">Annotation type.</param>
/// <param name="response">Annotation response.</param>
/// <param name="target">Target of annotation response.</param>
/// <param name="definition">Associated metadata definition for response.</param>
/// <param name="datapoint">Time series values data point for response.</param>
/// <param name="source">Metadata of source definitions.</param>
/// <returns>Populates an annotation response title, text and tags for specified annotation <paramref name="type"/>.</returns>
public static void PopulateResponse(this AnnotationType type, AnnotationResponse response, string target, DataRow definition, double[] datapoint, DataSet source)
{
if ((object)response == null)
throw new ArgumentNullException(nameof(response));
if ((object)target == null)
throw new ArgumentNullException(nameof(target));
if ((object)definition == null)
throw new ArgumentNullException(nameof(definition));
if ((object)datapoint == null)
throw new ArgumentNullException(nameof(datapoint));
switch (type)
{
case AnnotationType.RaisedAlarms:
case AnnotationType.ClearedAlarms:
DataRow metadata = GetTargetMetaData(source, definition["SignalID"]);
response.title = $"Alarm {(type == AnnotationType.RaisedAlarms ? "Raised" : "Cleared")}";
response.text = $"{definition["Description"]}<br/>Condition: {GetAlarmCondition(definition)}<br/>Severity: {definition["Severity"]}<br/>[{metadata["ID"]}]: {metadata["SignalReference"]}";
response.tags = $"{metadata["PointTag"]}, {target}";
break;
default:
throw new InvalidOperationException("Cannot populate response information for specified annotation type.");
}
}