internal ViewableActivatorPattern(
PatternContext patternContext,
EvalRootFactoryNode rootFactoryNode,
EventType eventType,
bool hasConsumingFilter,
bool suppressSameEventMatches,
bool discardPartialsOnMatch,
bool isCanIterate)
{
_patternContext = patternContext;
_rootFactoryNode = rootFactoryNode;
_eventType = eventType;
_hasConsumingFilter = hasConsumingFilter;
_suppressSameEventMatches = suppressSameEventMatches;
_discardPartialsOnMatch = discardPartialsOnMatch;
_isCanIterate = isCanIterate;
}
public void Activate(EventBean optionalTriggeringEvent, MatchedEventMap priorMatches, long timeOffset, bool isRecoveringResilient)
{
if (PatternStopCallback != null)
{
PatternStopCallback.Stop();
}
PatternStreamSpecCompiled patternStreamSpec = _endpointPatternSpec.PatternCompiled;
StatementContext stmtContext = _agentInstanceContext.StatementContext;
EvalRootFactoryNode rootFactoryNode = _servicesContext.PatternNodeFactory.MakeRootNode(patternStreamSpec.EvalFactoryNode);
int streamNum = _isStartEndpoint ? _contextStatePathKey.SubPath : -1 * _contextStatePathKey.SubPath;
bool allowResilient = _contextStatePathKey.Level == 1;
PatternContext patternContext = stmtContext.PatternContextFactory.CreateContext(stmtContext, streamNum, rootFactoryNode, new MatchedEventMapMeta(patternStreamSpec.AllTags, !patternStreamSpec.ArrayEventTypes.IsEmpty()), allowResilient);
PatternAgentInstanceContext patternAgentInstanceContext = stmtContext.PatternContextFactory.CreatePatternAgentContext(patternContext, _agentInstanceContext, false);
EvalRootNode rootNode = EvalNodeUtil.MakeRootNodeFromFactory(rootFactoryNode, patternAgentInstanceContext);
if (priorMatches == null)
{
priorMatches = new MatchedEventMapImpl(patternContext.MatchedEventMapMeta);
}
// capture any callbacks that may occur right after start
ConditionPatternMatchCallback callback = new ConditionPatternMatchCallback(this);
PatternStopCallback = rootNode.Start(callback.MatchFound, patternContext, priorMatches, isRecoveringResilient);
callback.ForwardCalls = true;
if (_agentInstanceContext.StatementContext.StatementExtensionServicesContext != null &&
_agentInstanceContext.StatementContext.StatementExtensionServicesContext.StmtResources != null)
{
_agentInstanceContext.StatementContext.StatementExtensionServicesContext.StmtResources
.StartContextPattern(PatternStopCallback, _isStartEndpoint, _contextStatePathKey);
}
if (callback.IsInvoked)
{
MatchFound(Collections.GetEmptyMap <String, Object>());
}
}
public ViewableActivator CreatePattern(
PatternContext patternContext,
EvalRootFactoryNode rootFactoryNode,
EventType eventType,
bool consumingFilters,
bool suppressSameEventMatches,
bool discardPartialsOnMatch,
bool isCanIterateUnbound)
{
if (ProcCreatePattern == null)
{
throw new NotSupportedException();
}
return(ProcCreatePattern.Invoke(
patternContext,
rootFactoryNode,
eventType,
consumingFilters,
suppressSameEventMatches,
discardPartialsOnMatch,
isCanIterateUnbound));
}
public static EvalRootNode MakeRootNodeFromFactory(
EvalRootFactoryNode rootFactoryNode,
PatternAgentInstanceContext patternAgentInstanceContext)
{
return((EvalRootNode)rootFactoryNode.MakeEvalNode(patternAgentInstanceContext, null));
}
public ViewableActivator CreatePattern(PatternContext patternContext, EvalRootFactoryNode rootFactoryNode, EventType eventType, bool consumingFilters, bool suppressSameEventMatches, bool discardPartialsOnMatch, bool isCanIterateUnbound)
{
return(new ViewableActivatorPattern(patternContext, rootFactoryNode, eventType, consumingFilters, suppressSameEventMatches, discardPartialsOnMatch, isCanIterateUnbound));
}
