public override void Update(EventBean[] newData, EventBean[] oldData)
{
if (_audit)
{
if (AuditPath.IsAuditEnabled)
{
AuditPath.AuditLog(_exprEvaluatorContext.EngineURI, _exprEvaluatorContext.StatementName, AuditEnum.STREAM, _eventType.Name + " insert {" + EventBeanUtility.Summarize(newData) + "} remove {" + EventBeanUtility.Summarize(oldData) + "}");
}
}
// if we have a filter for the named window,
if (_filterList.Length != 0)
{
var eventPerStream = new EventBean[1];
newData = PassFilter(newData, true, _exprEvaluatorContext, eventPerStream);
oldData = PassFilter(oldData, false, _exprEvaluatorContext, eventPerStream);
}
if (_optPropertyEvaluator != null)
{
newData = GetUnpacked(newData);
oldData = GetUnpacked(oldData);
}
if ((newData != null) || (oldData != null))
{
UpdateChildren(newData, oldData);
}
}
public override void Apply(EventBean matchingEvent, EventBean[] eventsPerStream, OneEventCollection newData, OneEventCollection oldData, ExprEvaluatorContext exprEvaluatorContext)
{
EventBean theEvent = _insertHelper.Process(eventsPerStream, true, true, exprEvaluatorContext);
if (_insertIntoTableName != null)
{
TableStateInstance tableStateInstance = _tableService.GetState(_insertIntoTableName, exprEvaluatorContext.AgentInstanceId);
if (_audit)
{
AuditPath.AuditInsertInto(tableStateInstance.AgentInstanceContext.EngineURI, _statementHandle.StatementName, theEvent);
}
tableStateInstance.AddEventUnadorned(theEvent);
return;
}
if (_internalEventRouter == null)
{
newData.Add(theEvent);
return;
}
if (_audit)
{
AuditPath.AuditInsertInto(_internalEventRouteDest.EngineURI, _statementHandle.StatementName, theEvent);
}
_internalEventRouter.Route(theEvent, _statementHandle, _internalEventRouteDest, exprEvaluatorContext, false);
}
public override void Apply(
EventBean matchingEvent,
EventBean[] eventsPerStream,
TableStateInstance tableStateInstance,
TableOnMergeViewChangeHandler changeHandlerAdded,
TableOnMergeViewChangeHandler changeHandlerRemoved,
ExprEvaluatorContext exprEvaluatorContext)
{
var theEvent = _insertHelper.Process(eventsPerStream, true, true, exprEvaluatorContext);
if (_internalEventRouter == null)
{
var aggs = _tableStateRowFactory.MakeAggs(exprEvaluatorContext.AgentInstanceId, null, null, tableStateInstance.AggregationServicePassThru);
((object[])theEvent.Underlying)[0] = aggs;
tableStateInstance.AddEvent(theEvent);
if (changeHandlerAdded != null)
{
changeHandlerAdded.Add(theEvent, eventsPerStream, true, exprEvaluatorContext);
}
return;
}
if (_audit)
{
AuditPath.AuditInsertInto(_internalEventRouteDest.EngineURI, _statementHandle.StatementName, theEvent);
}
_internalEventRouter.Route(theEvent, _statementHandle, _internalEventRouteDest, exprEvaluatorContext, false);
}
public override object Evaluate(EvaluateParams evaluateParams)
{
Object result = base.Evaluate(evaluateParams);
if (AuditPath.IsInfoEnabled)
{
AuditPath.AuditLog(_engineURI, _statementName, AuditEnum.PROPERTY, _propertyName + " value " + result);
}
return(result);
}
public void HandleAudit(Object targetObject, Object[] parameters)
{
if (Audit)
{
AuditPath.AuditLog(
EngineURI, StatementName, AuditEnum.DATAFLOW_OP,
"dataflow " + DataFlowName + " operator " + OperatorName + "(" + OperatorNumber + ") parameters " +
parameters.Render());
}
}
private void SetState(EPDataFlowState newState)
{
if (_audit)
{
AuditPath.AuditLog(
_engineUri, _statementName, AuditEnum.DATAFLOW_TRANSITION,
"dataflow " + _dataFlowName + " instance " + _instanceId + " from state " + _state + " to state " +
newState);
}
_state = newState;
}
public void EvaluateFalse(EvalStateNode fromNode, bool restartable)
{
if (_evalAuditNode.FactoryNode.IsAuditPattern && AuditPath.IsInfoEnabled)
{
String message = ToStringEvaluateFalse(this, _evalAuditNode.FactoryNode.PatternExpr, fromNode);
AuditPath.AuditLog(_evalAuditNode.Context.StatementContext.EngineURI, _evalAuditNode.Context.PatternContext.StatementName, AuditEnum.PATTERN, message);
}
_evalAuditNode.FactoryNode.DecreaseRefCount(this, _evalAuditNode.Context.PatternContext);
ParentEvaluator.EvaluateFalse(this, restartable);
}
public void Remove(ScheduleHandle handle, long scheduleSlot)
{
if (AuditPath.IsInfoEnabled)
{
StringWriter message = new StringWriter();
message.Write("remove handle ");
PrintHandle(message, handle);
AuditPath.AuditLog(_engineUri, _statementName, AuditEnum.SCHEDULE, message.ToString());
}
_spi.Remove(handle, scheduleSlot);
}
public void EvaluateTrue(MatchedEventMap matchEvent, EvalStateNode fromNode, bool isQuitted)
{
if (_evalAuditNode.FactoryNode.IsAuditPattern && AuditPath.IsInfoEnabled)
{
String message = ToStringEvaluateTrue(this, _evalAuditNode.FactoryNode.PatternExpr, matchEvent, fromNode, isQuitted);
AuditPath.AuditLog(_evalAuditNode.Context.StatementContext.EngineURI, _evalAuditNode.Context.PatternContext.StatementName, AuditEnum.PATTERN, message);
}
ParentEvaluator.EvaluateTrue(matchEvent, this, isQuitted);
if (isQuitted)
{
_evalAuditNode.FactoryNode.DecreaseRefCount(this, _evalAuditNode.Context.PatternContext);
}
}
public void Add(long afterMSec, ScheduleHandle handle, long slot)
{
if (AuditPath.IsInfoEnabled)
{
StringWriter message = new StringWriter();
message.Write("after ");
message.Write(afterMSec);
message.Write(" handle ");
PrintHandle(message, handle);
AuditPath.AuditLog(_engineUri, _statementName, AuditEnum.SCHEDULE, message.ToString());
ModifyCreateProxy(handle);
}
_spi.Add(afterMSec, handle, slot);
}
/// <summary>
/// Intercepts the specified invocation.
/// </summary>
/// <param name="invocation">The invocation.</param>
public void Intercept(IInvocation invocation)
{
invocation.ReturnValue = invocation.Method.Invoke(_view, invocation.Arguments);
if (invocation.Method == Target)
{
if (AuditPath.IsAuditEnabled)
{
var newData = (EventBean[])invocation.Arguments[0];
var oldData = (EventBean[])invocation.Arguments[1];
AuditPath.AuditLog(
_engineURI, _statementName, AuditEnum.VIEW,
_viewName + " insert {" + EventBeanUtility.Summarize(newData) + "} remove {" + EventBeanUtility.Summarize(oldData) + "}");
}
}
}
/// <summary>
/// Intercepts the specified invocation.
/// </summary>
/// <param name="invocation">The invocation.</param>
public void Intercept(IInvocation invocation)
{
if (invocation.Method == Target)
{
if (AuditPath.IsAuditEnabled)
{
var message = new StringWriter();
message.Write("trigger handle ");
TypeHelper.WriteInstance(message, _scheduleHandleCallback, true);
AuditPath.AuditLog(_engineURI, _statementName, AuditEnum.SCHEDULE, message.ToString());
}
}
invocation.ReturnValue =
invocation.Method.Invoke(_scheduleHandleCallback, invocation.Arguments);
}
public StatementAgentInstanceFactoryResult NewContext(AgentInstanceContext agentInstanceContext, bool isRecoveringResilient)
{
if (!_audit || agentInstanceContext.AgentInstanceId == -1)
{
return(NewContextInternal(agentInstanceContext, isRecoveringResilient));
}
AuditPath.AuditContextPartition(agentInstanceContext.EngineURI, agentInstanceContext.StatementName, true, agentInstanceContext.AgentInstanceId);
var result = NewContextInternal(agentInstanceContext, isRecoveringResilient);
var stopCallback = result.StopCallback;
result.StopCallback = new ProxyStopCallback(() =>
{
AuditPath.AuditContextPartition(agentInstanceContext.EngineURI, agentInstanceContext.StatementName, false, agentInstanceContext.AgentInstanceId);
stopCallback.Stop();
});
return(result);
}
private void RunLoop()
{
while (true)
{
if (_audit)
{
AuditPath.AuditLog(
_engineUri, _statementName, AuditEnum.DATAFLOW_SOURCE,
"dataflow " + _dataFlowName + " operator " + _operatorName + "(" + _operatorNumber +
") invoking source.Next()");
}
_graphSource.Next();
if (_shutdown)
{
break;
}
}
}
private void Route(EventBean routed, int index, ExprEvaluatorContext exprEvaluatorContext)
{
if (Audit)
{
AuditPath.AuditInsertInto(AgentInstanceContext.EngineURI, AgentInstanceContext.StatementName, routed);
}
TableStateInstance tableStateInstance = _tableStateInstances[index];
if (tableStateInstance != null)
{
tableStateInstance.AddEventUnadorned(routed);
}
else
{
bool isNamedWindowInsert = Items[index].IsNamedWindowInsert;
InternalEventRouter.Route(
routed, EPStatementHandle, AgentInstanceContext.StatementContext.InternalEventEngineRouteDest,
exprEvaluatorContext, isNamedWindowInsert);
}
}
/// <summary>
/// Intercepts the specified invocation.
/// </summary>
/// <param name="invocation">The invocation.</param>
public void Intercept(IInvocation invocation)
{
if (invocation.Method.Name == "Insert")
{
if (AuditPath.IsInfoEnabled)
{
var arg = invocation.Arguments[0];
var events = "(undefined)";
if (arg is EventBean[])
{
events = EventBeanUtility.Summarize((EventBean[])arg);
}
else if (arg is EventBean)
{
events = EventBeanUtility.Summarize((EventBean)arg);
}
AuditPath.AuditLog(_engineURI, _statementName, AuditEnum.STREAM, _eventTypeAndFilter + " inserted " + events);
}
}
invocation.ReturnValue = invocation.Method.Invoke(_eventStream, invocation.Arguments);
}
private static void Print(EvalAuditStateNode current, String patternExpression, String engineURI, String statementName, bool added, int?count)
{
if (!AuditPath.IsAuditEnabled)
{
return;
}
var writer = new StringWriter();
EvalAuditStateNode.WritePatternExpr(current, patternExpression, writer);
if (added)
{
writer.Write(" increased to " + count);
}
else
{
writer.Write(" decreased to " + count);
}
AuditPath.AuditLog(engineURI, statementName, AuditEnum.PATTERNINSTANCES, writer.ToString());
}
private void Route(EventBean[] events, ExprEvaluatorContext exprEvaluatorContext)
{
foreach (var routed in events)
{
if (routed is NaturalEventBean)
{
var natural = (NaturalEventBean)routed;
if (_audit)
{
AuditPath.AuditInsertInto(_agentInstanceContext.EngineURI, _agentInstanceContext.StatementName, natural.OptionalSynthetic);
}
if (_tableStateInstance != null)
{
_tableStateInstance.AddEventUnadorned(natural.OptionalSynthetic);
}
else
{
_parent.InternalEventRouter.Route(natural.OptionalSynthetic, _parent.EpStatementHandle, _agentInstanceContext.StatementContext.InternalEventEngineRouteDest, exprEvaluatorContext, _parent.IsAddToFront);
}
}
else
{
if (_audit)
{
AuditPath.AuditInsertInto(_agentInstanceContext.EngineURI, _agentInstanceContext.StatementName, routed);
}
if (_tableStateInstance != null)
{
ExprTableEvalLockUtil.ObtainLockUnless(_tableStateInstance.TableLevelRWLock.WriteLock, exprEvaluatorContext);
_tableStateInstance.AddEventUnadorned(routed);
}
else
{
_parent.InternalEventRouter.Route(routed, _parent.EpStatementHandle, _agentInstanceContext.StatementContext.InternalEventEngineRouteDest, exprEvaluatorContext, _parent.IsAddToFront);
}
}
}
}
public bool Handle(EventBean theEvent, ExprEvaluatorContext exprEvaluatorContext)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QSplitStream(false, theEvent, _whereClauses);
}
int index = -1;
_eventsPerStream[0] = theEvent;
for (int i = 0; i < _whereClauses.Length; i++)
{
if (_whereClauses[i] == null)
{
index = i;
break;
}
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QSplitStreamWhere(i);
}
var pass = (bool?)_whereClauses[i].Evaluate(new EvaluateParams(_eventsPerStream, true, exprEvaluatorContext));
if ((pass != null) && (pass.Value))
{
index = i;
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().ASplitStreamWhere(pass.Value);
}
break;
}
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().ASplitStreamWhere(pass.Value);
}
}
if (index != -1)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QSplitStreamRoute(index);
}
UniformPair <EventBean[]> result = _processors[index].ProcessViewResult(_eventsPerStream, null, false);
if ((result != null) && (result.First != null) && (result.First.Length > 0))
{
if (_audit)
{
AuditPath.AuditInsertInto(_agentInstanceContext.EngineURI, _agentInstanceContext.StatementName, result.First[0]);
}
if (_tableStateInstances[index] != null)
{
_tableStateInstances[index].AddEventUnadorned(result.First[0]);
}
else
{
_internalEventRouter.Route(result.First[0], _epStatementHandle, _agentInstanceContext.StatementContext.InternalEventEngineRouteDest, _agentInstanceContext, _isNamedWindowInsert[index]);
}
}
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().ASplitStreamRoute();
}
}
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().ASplitStream(false, index != -1);
}
return(index != -1);
}
public override void HandleMatching(EventBean[] triggerEvents, EventBean[] matchingEvents)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QInfraOnAction(OnTriggerType.ON_SELECT, triggerEvents, matchingEvents);
}
EventBean[] newData;
// clear state from prior results
_resultSetProcessor.Clear();
// build join result
// use linked hash set to retain order of join results for last/first/window to work most intuitively
var newEvents = BuildJoinResult(triggerEvents, matchingEvents);
// process matches
var pair = _resultSetProcessor.ProcessJoinResult(newEvents, _oldEvents, false);
newData = (pair != null ? pair.First : null);
if (_parent.IsDistinct)
{
newData = EventBeanUtility.GetDistinctByProp(newData, _parent.EventBeanReader);
}
if (_tableStateInstanceInsertInto != null)
{
if (newData != null)
{
foreach (var aNewData in newData)
{
if (_audit)
{
AuditPath.AuditInsertInto(ExprEvaluatorContext.EngineURI, ExprEvaluatorContext.StatementName, aNewData);
}
_tableStateInstanceInsertInto.AddEventUnadorned(aNewData);
}
}
}
else if (_parent.InternalEventRouter != null)
{
if (newData != null)
{
foreach (var aNewData in newData)
{
if (_audit)
{
AuditPath.AuditInsertInto(ExprEvaluatorContext.EngineURI, ExprEvaluatorContext.StatementName, aNewData);
}
_parent.InternalEventRouter.Route(aNewData, _parent.StatementHandle, _parent.InternalEventRouteDest, ExprEvaluatorContext, _parent.IsAddToFront);
}
}
}
// The on-select listeners receive the events selected
if ((newData != null) && (newData.Length > 0))
{
// And post only if we have listeners/subscribers that need the data
if (_parent.StatementResultService.IsMakeNatural || _parent.StatementResultService.IsMakeSynthetic)
{
UpdateChildren(newData, null);
}
}
_lastResult = newData;
// clear state from prior results
_resultSetProcessor.Clear();
// Events to delete are indicated via old data
if (_isDelete)
{
RootView.Update(null, matchingEvents);
}
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AInfraOnAction();
}
}
/// <summary>
/// Intercepts the specified invocation.
/// </summary>
/// <param name="invocation">The invocation.</param>
public void Intercept(IInvocation invocation)
{
var result = invocation.Method.Invoke(_evaluator, invocation.Arguments);
invocation.ReturnValue = result;
if (invocation.Method == TargetEvaluate)
{
if (AuditPath.IsAuditEnabled)
{
AuditPath.AuditLog(_engineURI, _statementName, AuditEnum.EXPRESSION,
"expression " + _expressionToString + " result " + result);
}
}
else if (invocation.Method == TargetEvaluateCollEvents)
{
if (AuditPath.IsAuditEnabled)
{
var resultBeans = (ICollection <EventBean>)result;
var @out = "null";
if (resultBeans != null)
{
if (resultBeans.IsEmpty())
{
@out = "{}";
}
else
{
var buf = new StringWriter();
var count = 0;
foreach (EventBean theEvent in resultBeans)
{
buf.Write(" Event ");
buf.Write(Convert.ToString(count++));
buf.Write(":");
EventBeanUtility.AppendEvent(buf, theEvent);
}
@out = buf.ToString();
}
}
AuditPath.AuditLog(_engineURI, _statementName, AuditEnum.EXPRESSION, "expression " + _expressionToString + " result " + @out);
}
}
else if (invocation.Method == TargetEvaluateCollScalar)
{
if (AuditPath.IsAuditEnabled)
{
AuditPath.AuditLog(_engineURI, _statementName, AuditEnum.EXPRESSION, "expression " + _expressionToString + " result " + result);
}
}
else if (invocation.Method == TargetEvaluateBean)
{
if (AuditPath.IsAuditEnabled)
{
var @out = "null";
if (result != null)
{
var buf = new StringWriter();
EventBeanUtility.AppendEvent(buf, (EventBean)result);
@out = buf.ToString();
}
AuditPath.AuditLog(_engineURI, _statementName, AuditEnum.EXPRESSION, "expression " + _expressionToString + " result " + @out);
}
}
}
public override void HandleMatching(EventBean[] triggerEvents, EventBean[] matchingEvents)
{
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().QInfraOnAction(OnTriggerType.ON_SELECT, triggerEvents, matchingEvents);
}
EventBean[] newData;
// clear state from prior results
_resultSetProcessor.Clear();
// build join result
// use linked hash set to retain order of join results for last/first/window to work most intuitively
ISet <MultiKey <EventBean> > newEvents = NamedWindowOnSelectView.BuildJoinResult(triggerEvents, matchingEvents);
// process matches
UniformPair <EventBean[]> pair = _resultSetProcessor.ProcessJoinResult(newEvents, Collections.GetEmptySet <MultiKey <EventBean> >(), false);
newData = (pair != null ? pair.First : null);
if (_parent.IsDistinct)
{
newData = EventBeanUtility.GetDistinctByProp(newData, _parent.EventBeanReader);
}
if (_parent.InternalEventRouter != null)
{
if (newData != null)
{
for (int i = 0; i < newData.Length; i++)
{
if (_audit)
{
AuditPath.AuditInsertInto(ExprEvaluatorContext.EngineURI, ExprEvaluatorContext.StatementName, newData[i]);
}
_parent.InternalEventRouter.Route(newData[i], _parent.StatementHandle, _parent.InternalEventRouteDest, ExprEvaluatorContext, false);
}
}
}
// The on-select listeners receive the events selected
if ((newData != null) && (newData.Length > 0))
{
// And post only if we have listeners/subscribers that need the data
if (_parent.StatementResultService.IsMakeNatural || _parent.StatementResultService.IsMakeSynthetic)
{
UpdateChildren(newData, null);
}
}
// clear state from prior results
_resultSetProcessor.Clear();
// Events to delete are indicated via old data
if (_deleteAndSelect)
{
foreach (EventBean @event in matchingEvents)
{
TableStateInstance.DeleteEvent(@event);
}
}
if (InstrumentationHelper.ENABLED)
{
InstrumentationHelper.Get().AInfraOnAction();
}
}
public bool Handle(EventBean theEvent, ExprEvaluatorContext exprEvaluatorContext)
{
var isHandled = new Mutable <bool>(false);
using (Instrument.With(
i => i.QSplitStream(true, theEvent, _whereClauses),
i => i.ASplitStream(true, isHandled.Value)))
{
_eventsPerStream[0] = theEvent;
for (int ii = 0; ii < _whereClauses.Length; ii++)
{
var pass = new Mutable <bool>(true);
if (_whereClauses[ii] != null)
{
Instrument.With(
i => i.QSplitStreamWhere(ii),
i => i.ASplitStreamWhere(pass.Value),
() =>
{
var passEvent = (bool?)_whereClauses[ii].Evaluate(new EvaluateParams(_eventsPerStream, true, exprEvaluatorContext));
if ((passEvent == null) || (!passEvent.Value))
{
pass.Value = false;
}
});
}
if (pass.Value)
{
Instrument.With(
i => i.QSplitStreamRoute(ii),
i => i.ASplitStreamRoute(),
() =>
{
UniformPair <EventBean[]> result = _processors[ii].ProcessViewResult(
_eventsPerStream, null, false);
if ((result != null) && (result.First != null) && (result.First.Length > 0))
{
isHandled.Value = true;
EventBean eventRouted = result.First[0];
if (_audit)
{
AuditPath.AuditInsertInto(
_agentInstanceContext.EngineURI, _agentInstanceContext.StatementName,
eventRouted);
}
if (_tableStateInstances[ii] != null)
{
_tableStateInstances[ii].AddEventUnadorned(eventRouted);
}
else
{
_internalEventRouter.Route(
eventRouted, _epStatementHandle,
_agentInstanceContext.StatementContext.InternalEventEngineRouteDest,
exprEvaluatorContext, _isNamedWindowInsert[ii]);
}
}
});
}
}
return(isHandled.Value);
}
}