public static ISet<string> AssignEventAsTagNumber(
ISet<string> priorAllTags,
EvalForgeNode evalForgeNode)
{
var allTagNamesOrdered = new LinkedHashSet<string>();
var filterFactoryNodes = EvalNodeUtil.RecursiveGetChildNodes(
evalForgeNode,
StreamSpecCompiler.FilterForFilterFactoryNodes.INSTANCE);
if (priorAllTags != null) {
allTagNamesOrdered.AddAll(priorAllTags);
}
foreach (var filterNode in filterFactoryNodes) {
var forge = (EvalFilterForgeNode) filterNode;
int tagNumber;
if (forge.EventAsName != null) {
if (!allTagNamesOrdered.Contains(forge.EventAsName)) {
allTagNamesOrdered.Add(forge.EventAsName);
tagNumber = allTagNamesOrdered.Count - 1;
}
else {
tagNumber = FindTagNumber(forge.EventAsName, allTagNamesOrdered);
}
forge.EventAsTagNumber = tagNumber;
}
}
return allTagNamesOrdered;
}
public static ISet<string> GetTagNumbers(EvalForgeNode evalForgeNode)
{
var tags = new HashSet<string>();
var filterFactoryNodes = EvalNodeUtil.RecursiveGetChildNodes(
evalForgeNode,
StreamSpecCompiler.FilterForFilterFactoryNodes.INSTANCE);
foreach (var filterNode in filterFactoryNodes) {
var forge = (EvalFilterForgeNode) filterNode;
if (forge.EventAsName != null) {
tags.Add(forge.EventAsName);
}
}
return tags;
}
public static PatternStreamSpecCompiled CompilePatternWTags(
PatternStreamSpecRaw streamSpecRaw,
ISet<string> eventTypeReferences,
bool isInsertInto,
MatchEventSpec tags,
ISet<string> priorAllTags,
bool isJoin,
bool isContextDeclaration,
bool isOnTrigger,
int streamNum,
StatementRawInfo statementRawInfo,
StatementCompileTimeServices services)
{
// validate
if ((streamSpecRaw.IsSuppressSameEventMatches || streamSpecRaw.IsDiscardPartialsOnMatch) &&
(isJoin || isContextDeclaration || isOnTrigger)) {
throw new ExprValidationException(
"Discard-partials and suppress-matches is not supported in a joins, context declaration and on-action");
}
if (tags == null) {
tags = new MatchEventSpec();
}
var nodeStack = new Stack<EvalForgeNode>();
// detemine ordered tags
var allTagNamesOrdered = new LinkedHashSet<string>();
var filterFactoryNodes = EvalNodeUtil.RecursiveGetChildNodes(
streamSpecRaw.EvalForgeNode,
FilterForFilterFactoryNodes.INSTANCE);
if (priorAllTags != null) {
allTagNamesOrdered.AddAll(priorAllTags);
}
foreach (var filterNode in filterFactoryNodes) {
var forge = (EvalFilterForgeNode) filterNode;
int tagNumber;
if (forge.EventAsName != null) {
if (!allTagNamesOrdered.Contains(forge.EventAsName)) {
allTagNamesOrdered.Add(forge.EventAsName);
tagNumber = allTagNamesOrdered.Count - 1;
}
else {
tagNumber = FindTagNumber(forge.EventAsName, allTagNamesOrdered);
}
forge.EventAsTagNumber = tagNumber;
}
}
// construct root : assigns factory node ids
var top = streamSpecRaw.EvalForgeNode;
var root = new EvalRootForgeNode(top, statementRawInfo.Annotations);
RecursiveCompile(
top,
eventTypeReferences,
isInsertInto,
tags,
nodeStack,
allTagNamesOrdered,
streamNum,
statementRawInfo,
services);
var hook = (PatternCompileHook) ImportUtil.GetAnnotationHook(
statementRawInfo.Annotations,
HookType.INTERNAL_PATTERNCOMPILE,
typeof(PatternCompileHook),
services.ImportServiceCompileTime);
if (hook != null) {
hook.Pattern(root);
}
return new PatternStreamSpecCompiled(
root,
tags.TaggedEventTypes,
tags.ArrayEventTypes,
allTagNamesOrdered,
streamSpecRaw.ViewSpecs,
streamSpecRaw.OptionalStreamName,
streamSpecRaw.Options,
streamSpecRaw.IsSuppressSameEventMatches,
streamSpecRaw.IsDiscardPartialsOnMatch);
}