public void ApplyLeave(EventBean[] eventsPerStream, object optionalGroupKeyPerRow, ExprEvaluatorContext exprEvaluatorContext)
{
// acquire table-level write lock
ExprTableEvalLockUtil.ObtainLockUnless(_tableStateInstance.TableLevelRWLock.WriteLock, exprEvaluatorContext);
var @event = _tableStateInstance.GetCreateRowIntoTable(null, exprEvaluatorContext);
var row = ExprTableEvalStrategyUtil.GetRow(@event);
var evaluateParams = new EvaluateParams(eventsPerStream, false, exprEvaluatorContext);
if (InstrumentationHelper.ENABLED) { InstrumentationHelper.Get().QAggregationUngroupedApplyEnterLeave(false, row.Methods.Length, row.States.Length); }
for (var i = 0; i < _methodPairs.Length; i++)
{
var methodPair = _methodPairs[i];
var method = row.Methods[methodPair.TargetIndex];
if (InstrumentationHelper.ENABLED) { InstrumentationHelper.Get().QAggNoAccessEnterLeave(false, i, method, methodPair.AggregationNode); }
var columnResult = methodPair.Evaluator.Evaluate(evaluateParams);
method.Leave(columnResult);
if (InstrumentationHelper.ENABLED) { InstrumentationHelper.Get().AAggNoAccessEnterLeave(false, i, method); }
}
for (var i = 0; i < _targetStates.Length; i++)
{
var state = row.States[_targetStates[i]];
if (InstrumentationHelper.ENABLED) { InstrumentationHelper.Get().QAggAccessEnterLeave(false, i, state, _accessStateExpr[i]); }
_agents[i].ApplyLeave(eventsPerStream, exprEvaluatorContext, state);
if (InstrumentationHelper.ENABLED) { InstrumentationHelper.Get().AAggAccessEnterLeave(false, i, state); }
}
_tableStateInstance.HandleRowUpdated(@event);
if (InstrumentationHelper.ENABLED) { InstrumentationHelper.Get().AAggregationUngroupedApplyEnterLeave(false); }
}
public override EventBean[] ProcessInsert(EPPreparedExecuteIUDSingleStreamExecInsert insert)
{
ExprTableEvalLockUtil.ObtainLockUnless(_instance.TableLevelRWLock.WriteLock, insert.Services.TableService.TableExprEvaluatorContext);
var theEvent = insert.InsertHelper.Process(new EventBean[0], true, true, insert.ExprEvaluatorContext);
var aggs = _instance.TableMetadata.RowFactory.MakeAggs(insert.ExprEvaluatorContext.AgentInstanceId, null, null);
((object[])theEvent.Underlying)[0] = aggs;
_instance.AddEvent(theEvent);
return(CollectionUtil.EVENTBEANARRAY_EMPTY);
}
public override ICollection <EventBean> SnapshotBestEffort(EPPreparedExecuteMethodQuery query, FilterSpecCompiled filter, Attribute[] annotations)
{
ExprTableEvalLockUtil.ObtainLockUnless(_instance.TableLevelRWLock.ReadLock, query.AgentInstanceContext);
var events = SnapshotNullWhenNoIndex(filter, annotations, null, null);
if (events != null)
{
return(events);
}
return(_instance.EventCollection);
}
public ICollection <EventBean> Lookup(EventBean[] events, ExprEvaluatorContext context)
{
ExprTableEvalLockUtil.ObtainLockUnless(_lock, context);
var result = _inner.Lookup(events, context);
if (result == null)
{
return(Collections.GetEmptyList <EventBean>());
}
return(result);
}
public override EventBean[] ProcessDelete(EPPreparedExecuteIUDSingleStreamExecDelete delete)
{
ExprTableEvalLockUtil.ObtainLockUnless(_instance.TableLevelRWLock.WriteLock, delete.Services.TableService.TableExprEvaluatorContext);
if (delete.OptionalWhereClause == null)
{
_instance.ClearEvents();
}
var found = SnapshotAndApplyFilter(delete.Filter, delete.Annotations, delete.OptionalWhereClause, _instance.AgentInstanceContext);
foreach (var @event in found)
{
_instance.DeleteEvent(@event);
}
return(CollectionUtil.EVENTBEANARRAY_EMPTY);
}
private ICollection <EventBean> LookupInternal(ExprEvaluatorContext context)
{
ExprTableEvalLockUtil.ObtainLockUnless(_tableLevelLock, context);
var it = _contents.GetEnumerator();
if (!it.MoveNext())
{
return(null);
}
var result = new ArrayDeque <EventBean>(2);
do
{
result.Add(it.Current);
} while (it.MoveNext());
return(result);
}
public override EventBean[] ProcessUpdate(EPPreparedExecuteIUDSingleStreamExecUpdate update)
{
ExprTableEvalLockUtil.ObtainLockUnless(_instance.TableLevelRWLock.WriteLock, update.Services.TableService.TableExprEvaluatorContext);
var events = SnapshotAndApplyFilter(update.Filter, update.Annotations, update.OptionalWhereClause, _instance.AgentInstanceContext);
if (events != null && events.IsEmpty())
{
return(CollectionUtil.EVENTBEANARRAY_EMPTY);
}
var eventsPerStream = new EventBean[3];
if (events == null)
{
update.TableUpdateStrategy.UpdateTable(_instance.EventCollection, _instance, eventsPerStream, _instance.AgentInstanceContext);
}
else
{
update.TableUpdateStrategy.UpdateTable(events, _instance, eventsPerStream, _instance.AgentInstanceContext);
}
return(CollectionUtil.EVENTBEANARRAY_EMPTY);
}
public object GetValue(int column, int agentInstanceId, EvaluateParams evaluateParams)
{
// acquire table-level write lock
ExprTableEvalLockUtil.ObtainLockUnless(_tableStateInstance.TableLevelRWLock.WriteLock, evaluateParams.ExprEvaluatorContext);
var @event = _tableStateInstance.EventUngrouped;
if (@event == null)
{
return null;
}
var row = ExprTableEvalStrategyUtil.GetRow(@event);
var aggregators = row.Methods;
if (column < aggregators.Length)
{
return aggregators[column].Value;
}
else
{
var pair = _accessors[column - aggregators.Length];
return pair.Accessor.GetValue(row.States[pair.Slot], evaluateParams);
}
}
public void ClearResults(ExprEvaluatorContext exprEvaluatorContext)
{
// acquire table-level write lock
ExprTableEvalLockUtil.ObtainLockUnless(_tableStateInstance.TableLevelRWLock.WriteLock, exprEvaluatorContext);
var @event = _tableStateInstance.EventUngrouped;
if (@event == null)
{
return;
}
var row = ExprTableEvalStrategyUtil.GetRow(@event);
var aggregators = row.Methods;
foreach (var state in row.States)
{
state.Clear();
}
foreach (var aggregator in aggregators)
{
aggregator.Clear();
}
}
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 EventBean GetEventBean(int column, EventBean[] eventsPerStream, bool isNewData, ExprEvaluatorContext context)
{
// acquire table-level write lock
ExprTableEvalLockUtil.ObtainLockUnless(_tableStateInstance.TableLevelRWLock.WriteLock, context);
var @event = _tableStateInstance.EventReference.Get();
if (@event == null)
{
return(null);
}
var row = ExprTableEvalStrategyUtil.GetRow(@event);
var aggregators = row.Methods;
if (column < aggregators.Length)
{
return(null);
}
else
{
var pair = _accessors[column - aggregators.Length];
return(pair.Accessor.GetEnumerableEvent(row.States[pair.Slot], eventsPerStream, isNewData, context));
}
}
public void ApplyLeave(EventBean[] eventsPerStream, object groupByKey, ExprEvaluatorContext exprEvaluatorContext)
{
// acquire table-level write lock
ExprTableEvalLockUtil.ObtainLockUnless(TableStateInstance.TableLevelRWLock.WriteLock, exprEvaluatorContext);
ApplyLeaveInternal(eventsPerStream, groupByKey, exprEvaluatorContext);
}