public EvalMatchUntilNode(PatternAgentInstanceContext context, EvalMatchUntilFactoryNode factoryNode, EvalNode childNodeSub, EvalNode childNodeUntil)
: base(context)
{
FactoryNode = factoryNode;
ChildNodeSub = childNodeSub;
ChildNodeUntil = childNodeUntil;
}
public static EvalMatchUntilStateBounds InitBounds(
EvalMatchUntilFactoryNode factoryNode,
MatchedEventMap beginState,
PatternAgentInstanceContext context)
{
int?lowerbounds = null;
int?upperbounds = null;
var eventsPerStream = factoryNode.Convertor.Convert(beginState);
var evaluateParams = new EvaluateParams(eventsPerStream, true, context.AgentInstanceContext);
if (factoryNode.SingleBound != null)
{
var bounds = (int?)factoryNode.SingleBound.ExprEvaluator.Evaluate(evaluateParams);
lowerbounds = bounds;
upperbounds = bounds;
}
else
{
if (factoryNode.LowerBounds != null)
{
lowerbounds = (int?)factoryNode.LowerBounds.ExprEvaluator.Evaluate(evaluateParams);
}
if (factoryNode.UpperBounds != null)
{
upperbounds = (int?)factoryNode.UpperBounds.ExprEvaluator.Evaluate(evaluateParams);
}
if (upperbounds != null && lowerbounds != null)
{
if (upperbounds < lowerbounds)
{
int?lbounds = lowerbounds;
lowerbounds = upperbounds;
upperbounds = lbounds;
}
}
}
return(new EvalMatchUntilStateBounds(lowerbounds, upperbounds));
}