public static void AssignAggregations(AggregationResultFuture aggregationService, IList <AggregationServiceAggExpressionDesc> aggregationExpressions)
{
foreach (var aggregation in aggregationExpressions)
{
aggregation.AssignFuture(aggregationService);
}
}
public ICollection <object> EvaluateGetROCollectionScalar(EvaluateParams evaluateParams)
{
var result = AggregationResultFuture.GetValue(Column, evaluateParams.ExprEvaluatorContext.AgentInstanceId, evaluateParams);
if (result == null)
{
return(null);
}
return(result.Unwrap <object>());
}
public ICollection <object> EvaluateGetROCollectionScalar(EventBean[] eventsPerStream, bool isNewData, ExprEvaluatorContext context)
{
var result = AggregationResultFuture.GetValue(Column, context.AgentInstanceId, eventsPerStream, isNewData, context);
if (result == null)
{
return(null);
}
return(result.Unwrap <object>());
}
/// <summary>Assigns a future to the expression </summary>
/// <param name="service">the future</param>
public void AssignFuture(AggregationResultFuture service)
{
var columnNum = ColumnNum.GetValueOrDefault();
AggregationNode.SetAggregationResultFuture(service, columnNum);
if (EquivalentNodes == null)
{
return;
}
foreach (ExprAggregateNode equivalentAggNode in EquivalentNodes)
{
equivalentAggNode.SetAggregationResultFuture(service, columnNum);
}
}
public void Assign(AggregationResultFuture future)
{
ProcAssign(future);
}
public void AssignFuture(AggregationResultFuture future)
{
_future = future;
}
public EventBean EvaluateGetEventBean(EvaluateParams evaluateParams)
{
return AggregationResultFuture.GetEventBean(Column, evaluateParams);
}
public ICollection<object> EvaluateGetROCollectionScalar(EvaluateParams evaluateParams)
{
return AggregationResultFuture.GetCollectionScalar(Column, evaluateParams);
}
public ICollection<EventBean> EvaluateGetROCollectionEvents(EvaluateParams evaluateParams)
{
return AggregationResultFuture.GetCollectionOfEvents(Column, evaluateParams);
}
public ICollection <EventBean> EvaluateGetROCollectionEvents(EventBean[] eventsPerStream, bool isNewData, ExprEvaluatorContext context)
{
return(AggregationResultFuture.GetCollectionOfEvents(Column, eventsPerStream, isNewData, context));
}
public EventBean EvaluateGetEventBean(EventBean[] eventsPerStream, bool isNewData, ExprEvaluatorContext context)
{
return(AggregationResultFuture.GetEventBean(Column, eventsPerStream, isNewData, context));
}
/// <summary>
/// Assigns to the node the future which can be queried for the current aggregation state at evaluation time.
/// </summary>
/// <param name="aggregationResultFuture">future containing state</param>
/// <param name="column">column to hand to future for easy access</param>
public void SetAggregationResultFuture(AggregationResultFuture aggregationResultFuture, int column)
{
AggregationResultFuture = aggregationResultFuture;
Column = column;
}
