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