public static FilterSpecPlanCompute Make(FilterSpecPlan plan)
{
var hasTopControl = plan.FilterConfirm != null || plan.FilterNegate != null;
var hasPathControl = false;
var hasTripletControl = false;
foreach (FilterSpecPlanPath path in plan.Paths) {
hasPathControl |= path.PathNegate != null;
hasTripletControl |= path.HasTripletControl;
}
if (hasTripletControl) {
return FilterSpecPlanComputeConditionalTriplets.INSTANCE;
}
if (hasPathControl) {
return FilterSpecPlanComputeConditionalPath.INSTANCE;
}
if (hasTopControl) {
return FilterSpecPlanComputeConditionalTopOnly.INSTANCE;
}
return FilterSpecPlanComputeUnconditional.INSTANCE;
}
public static FilterSpecActivatable Build(
EventType eventType,
object[] objects)
{
var triplets = BuildTriplets(eventType, objects);
var paths = new FilterSpecPlanPath[] { new FilterSpecPlanPath(triplets) };
var plan = new FilterSpecPlan(paths, null, null);
plan.Initialize();
return(new FilterSpecActivatable(eventType, "SomeAliasNameForType", plan, null, 1));
}
/// <summary>
/// Constructor - validates parameter list against event type, throws exception if invalid
/// property names or mismatcing filter operators are found.
/// </summary>
/// <param name="eventType">is the event type</param>
/// <param name="plan">plan is a list of filter parameters, i.e. paths and triplets</param>
/// <param name="eventTypeName">is the name of the event type</param>
/// <param name="optionalPropertyEvaluator">optional if evaluating properties returned by filtered events</param>
/// <param name="filterCallbackId">filter id</param>
/// <throws>ArgumentException if validation invalid</throws>
public FilterSpecActivatable(
EventType eventType,
string eventTypeName,
FilterSpecPlan plan,
PropertyEvaluator optionalPropertyEvaluator,
int filterCallbackId)
{
FilterForEventType = eventType;
FilterForEventTypeName = eventTypeName;
Plan = plan;
OptionalPropertyEvaluator = optionalPropertyEvaluator;
if (filterCallbackId == -1) {
throw new ArgumentException("Filter callback id is unassigned");
}
FilterCallbackId = filterCallbackId;
}
