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));
}
public override EvalNode MakeEvalNode(PatternAgentInstanceContext agentInstanceContext, EvalNode parentNode)
{
EvalNode child = EvalNodeUtil.MakeEvalNodeSingleChild(ChildNodes, agentInstanceContext, parentNode);
return(new EvalEveryNode(agentInstanceContext, this, child));
}
public override EvalNode MakeEvalNode(PatternAgentInstanceContext agentInstanceContext, EvalNode parentNode)
{
EvalNode[] children = EvalNodeUtil.MakeEvalNodeChildren(ChildNodes, agentInstanceContext, parentNode);
return(new EvalMatchUntilNode(agentInstanceContext, this, children[0], children.Length == 1 ? null : children[1]));
}
public EvalNotNode(PatternAgentInstanceContext context, EvalNotFactoryNode factoryNode, EvalNode childNode)
: base(context)
{
_factoryNode = factoryNode;
_childNode = childNode;
}
public override EvalNode MakeEvalNode(PatternAgentInstanceContext agentInstanceContext, EvalNode parentNode)
{
EvalNode[] children = EvalNodeUtil.MakeEvalNodeChildren(ChildNodes, agentInstanceContext, parentNode);
return(new EvalAndNode(agentInstanceContext, this, children));
}
public override EvalNode MakeEvalNode(PatternAgentInstanceContext agentInstanceContext, EvalNode parentNode)
{
return(new EvalFilterNode(agentInstanceContext, this));
}
public EvalEveryDistinctNode(EvalEveryDistinctFactoryNode factoryNode, EvalNode childNode, PatternAgentInstanceContext agentInstanceContext)
: base(agentInstanceContext)
{
_factoryNode = factoryNode;
_childNode = childNode;
}
public static EvalNode[] MakeEvalNodeChildren(IList <EvalFactoryNode> childNodes, PatternAgentInstanceContext agentInstanceContext, EvalNode parentNode)
{
var children = new EvalNode[childNodes.Count];
for (int i = 0; i < childNodes.Count; i++)
{
children[i] = childNodes[i].MakeEvalNode(agentInstanceContext, parentNode);
}
return(children);
}
public long AbsExpiry(PatternAgentInstanceContext context)
{
long current = context.StatementContext.SchedulingService.Time;
return current + _timeDeltaComputation.DeltaAdd(current);
}
public static EvalRootNode MakeRootNodeFromFactory(EvalRootFactoryNode rootFactoryNode, PatternAgentInstanceContext patternAgentInstanceContext)
{
return((EvalRootNode)rootFactoryNode.MakeEvalNode(patternAgentInstanceContext, null));
}
public static EvalNode MakeEvalNodeSingleChild(IList <EvalFactoryNode> childNodes, PatternAgentInstanceContext agentInstanceContext, EvalNode parentNode)
{
return(childNodes[0].MakeEvalNode(agentInstanceContext, parentNode));
}
public EvalAndNode(PatternAgentInstanceContext context, EvalAndFactoryNode factoryNode, IList <EvalNode> childNodes)
: base(context)
{
FactoryNode = factoryNode;
ChildNodes = childNodes;
}
/// <summary>
/// Initializes a new instance of the <see cref="EvalNodeBase"/> class.
/// </summary>
/// <param name="context">The context.</param>
protected EvalNodeBase(PatternAgentInstanceContext context)
{
Context = context;
}
public EvalFollowedByNode(PatternAgentInstanceContext context, EvalFollowedByFactoryNode factoryNode, IList <EvalNode> childNodes)
: base(context)
{
_factoryNode = factoryNode;
_childNodes = childNodes;
}
public abstract EvalNode MakeEvalNode(PatternAgentInstanceContext agentInstanceContext, EvalNode parentNode);
public long AbsMillisecondExpiry(PatternAgentInstanceContext context)
{
long current = context.StatementContext.SchedulingService.Time;
return(current + TimeDeltaComputation.DeltaMillisecondsAdd(current));
}