public ViewableActivationResult Activate(
AgentInstanceContext agentInstanceContext,
bool isSubselect,
bool isRecoveringResilient)
{
PatternAgentInstanceContext patternAgentInstanceContext =
agentInstanceContext.StatementContext.PatternContextFactory.CreatePatternAgentContext(
_patternContext, agentInstanceContext, _hasConsumingFilter);
EvalRootNode rootNode = EvalNodeUtil.MakeRootNodeFromFactory(_rootFactoryNode, patternAgentInstanceContext);
EventStream sourceEventStream = _isCanIterate ?
(EventStream) new ZeroDepthStreamIterable(_eventType) :
(EventStream) new ZeroDepthStreamNoIterate(_eventType);
StatementContext statementContext = _patternContext.StatementContext;
PatternMatchCallback callback = matchEvent =>
{
EventBean compositeEvent = statementContext.EventAdapterService.AdapterForTypedMap(
matchEvent, _eventType);
sourceEventStream.Insert(compositeEvent);
};
var rootState = (EvalRootState)rootNode.Start(callback, _patternContext, isRecoveringResilient);
return(new ViewableActivationResult(
sourceEventStream, rootState, null, rootState, rootState, _suppressSameEventMatches, _discardPartialsOnMatch, null));
}
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>());
}
}