public void AddKqlQuery(CslParagraph para)
{
try
{
// Load any functions for use across the node
GlobalFunctions.ReadFunctionsFromQuery(para.Query);
// Create the KqlQuery info, and hold reference to the object to prevent GC from releasing.
var newKqlQuery = new KqlQuery(this, para.Comment, para.Query)
{
IsValid = true,
Message = "Success",
KqlQueryEngagedDateTime = DateTime.UtcNow
};
KqlQueryList.Add(newKqlQuery);
SubscriptionReferenceDisposables.Add(newKqlQuery);
}
catch (Exception ex)
{
FailedKqlQueryList.Add(new KqlQuery
{
Node = this,
Comment = para.Comment,
Query = para.Query,
IsValid = false,
Message = ex.Message,
FailureReason = ex,
});
}
}
/// <summary>
/// Left in for legacy purposes. Usage should be on the published and supported method: AddKqlQuery
/// </summary>
/// <param name="kqlQuery">The KqlQuery object</param>
/// <param name="stopKqlQueries">Optionally clear out currently executing KqlQueries, or only add new ones</param>
public void AddKqlQueryInfo(KqlQuery kqlQuery, bool stopKqlQueries = false)
{
if (stopKqlQueries)
{
InitializeKqlQueryLists();
}
this.AddKqlQuery(new CslParagraph
{
Comment = kqlQuery.Comment,
Query = kqlQuery.Query
});
}
/// <summary>
/// Create a KqlNodeHub from an existing KQL query as a string. The string must contain only one KQL query.
/// The KqlNodeHub automatically creates a KqlNode and subscribes the KqlNode to the observable sequence,
/// observableInput.
/// </summary>
/// <param name="observableInput">
/// IObservable<IDictionary
/// <string, object>> - the data that the KQL queries will run against.
/// </param>
/// <param name="delegateOutput">Action<KqlOutput> - the structure of the query output as a KqlOutput instance.</param>
/// <param name="observableName">the observable input stream name</param>
/// <param name="kqlQuery">KqlQuery - an instance of the KqlQuery object type</param>
/// <returns>a boolean value containing the operations success.</returns>
public bool AddFromKqlQuery(
IObservable <IDictionary <string, object> > observableInput,
Action <KqlOutput> delegateOutput,
string observableName,
KqlQuery kqlQuery)
{
var kqlNodeHub = new KqlNodeHub(delegateOutput);
kqlNodeHub._node.AddKqlQuery(kqlQuery);
kqlNodeHub.AddInput(observableName, observableInput);
return(KqlNodeHubs.TryAdd(observableName, kqlNodeHub));
}
public bool TryAddKqlQuery(KqlQuery kqlQuery, out Exception exception)
{
bool result = true;
exception = null;
this.AddKqlQuery(kqlQuery);
exception = this.FailedKqlQueryList
.Where(a => string.Equals(a.Query, kqlQuery.Query, StringComparison.OrdinalIgnoreCase))
.Select(a => a.FailureReason)
.FirstOrDefault();
result = exception == null;
return(result);
}
/// <summary>
/// Add a single KqlQuery to the KqlNode.
/// </summary>
/// <param name="kqlQuery">The KqlQuery object</param>
/// <param name="stopKqlQueries">Optionally clear out currently executing KqlQueries, or only add new ones</param>
public void AddKqlQuery(KqlQuery kqlQuery, bool stopKqlQueries = false)
{
try
{
// Optionally clear out currently executing KqlQueries, or only add new ones
if (stopKqlQueries)
{
InitializeKqlQueryLists();
}
// Load any functions for use across the node
GlobalFunctions.ReadFunctionsFromQuery(kqlQuery.Query);
// Create the KqlQuery info, and hold reference to the object to prevent GC from releasing.
var newKqlQuery = new KqlQuery(this, kqlQuery.Comment, kqlQuery.Query)
{
IsValid = true,
Message = "Success",
KqlQueryEngagedDateTime = DateTime.UtcNow,
QueryGuid = kqlQuery.QueryGuid,
QueryName = kqlQuery.QueryName,
QueryDescription = kqlQuery.QueryDescription,
QueryId = kqlQuery.QueryId,
};
KqlQueryList.Add(newKqlQuery);
SubscriptionReferenceDisposables.Add(newKqlQuery);
}
catch (Exception ex)
{
FailedKqlQueryList.Add(new KqlQuery
{
Node = this,
Comment = kqlQuery.Comment,
Query = kqlQuery.Query,
IsValid = false,
Message = ex.Message,
QueryGuid = kqlQuery.QueryGuid,
QueryName = kqlQuery.QueryName,
QueryDescription = kqlQuery.QueryDescription,
QueryId = kqlQuery.QueryId,
FailureReason = ex,
});
}
}