private UniformPair <EventBean[]> ProcessOutputLimitedJoinDefault(IList <UniformPair <ISet <MultiKey <EventBean> > > > joinEventsSet, bool generateSynthetic)
{
IList <EventBean> newEvents = new List <EventBean>();
IList <EventBean> oldEvents = null;
if (_prototype.IsSelectRStream)
{
oldEvents = new List <EventBean>();
}
IList <object> newEventsSortKey = null;
IList <object> oldEventsSortKey = null;
if (_orderByProcessor != null)
{
newEventsSortKey = new List <object>();
if (_prototype.IsSelectRStream)
{
oldEventsSortKey = new List <object>();
}
}
foreach (var pair in joinEventsSet)
{
var newData = pair.First;
var oldData = pair.Second;
if (_prototype.IsUnidirectional)
{
Clear();
}
if (newData != null)
{
// apply new data to aggregates
foreach (var row in newData)
{
_aggregationService.ApplyEnter(row.Array, null, _exprEvaluatorContext);
}
}
if (oldData != null)
{
// apply old data to aggregates
foreach (var row in oldData)
{
_aggregationService.ApplyLeave(row.Array, null, _exprEvaluatorContext);
}
}
// generate old events using select expressions
if (_prototype.IsSelectRStream)
{
if (_prototype.OptionalHavingNode == null)
{
if (_orderByProcessor == null)
{
ResultSetProcessorUtil.PopulateSelectJoinEventsNoHaving(_selectExprProcessor, oldData, false, generateSynthetic, oldEvents, _exprEvaluatorContext);
}
else
{
ResultSetProcessorUtil.PopulateSelectJoinEventsNoHavingWithOrderBy(_selectExprProcessor, _orderByProcessor, oldData, false, generateSynthetic, oldEvents, oldEventsSortKey, _exprEvaluatorContext);
}
}
// generate old events using having then select
else
{
if (_orderByProcessor == null)
{
ResultSetProcessorUtil.PopulateSelectJoinEventsHaving(_selectExprProcessor, oldData, _prototype.OptionalHavingNode, false, generateSynthetic, oldEvents, _exprEvaluatorContext);
}
else
{
ResultSetProcessorUtil.PopulateSelectJoinEventsHavingWithOrderBy(_selectExprProcessor, _orderByProcessor, oldData, _prototype.OptionalHavingNode, false, generateSynthetic, oldEvents, oldEventsSortKey, _exprEvaluatorContext);
}
}
}
// generate new events using select expressions
if (_prototype.OptionalHavingNode == null)
{
if (_orderByProcessor == null)
{
ResultSetProcessorUtil.PopulateSelectJoinEventsNoHaving(_selectExprProcessor, newData, true, generateSynthetic, newEvents, _exprEvaluatorContext);
}
else
{
ResultSetProcessorUtil.PopulateSelectJoinEventsNoHavingWithOrderBy(_selectExprProcessor, _orderByProcessor, newData, true, generateSynthetic, newEvents, newEventsSortKey, _exprEvaluatorContext);
}
}
else
{
if (_orderByProcessor == null)
{
ResultSetProcessorUtil.PopulateSelectJoinEventsHaving(_selectExprProcessor, newData, _prototype.OptionalHavingNode, true, generateSynthetic, newEvents, _exprEvaluatorContext);
}
else
{
ResultSetProcessorUtil.PopulateSelectJoinEventsHavingWithOrderBy(_selectExprProcessor, _orderByProcessor, newData, _prototype.OptionalHavingNode, true, generateSynthetic, newEvents, newEventsSortKey, _exprEvaluatorContext);
}
}
}
var newEventsArr = (newEvents.IsEmpty()) ? null : newEvents.ToArray();
EventBean[] oldEventsArr = null;
if (_prototype.IsSelectRStream)
{
oldEventsArr = (oldEvents.IsEmpty()) ? null : oldEvents.ToArray();
}
if (_orderByProcessor != null)
{
var sortKeysNew = (newEventsSortKey.IsEmpty()) ? null : newEventsSortKey.ToArray();
newEventsArr = _orderByProcessor.Sort(newEventsArr, sortKeysNew, _exprEvaluatorContext);
if (_prototype.IsSelectRStream)
{
var sortKeysOld = (oldEventsSortKey.IsEmpty()) ? null : oldEventsSortKey.ToArray();
oldEventsArr = _orderByProcessor.Sort(oldEventsArr, sortKeysOld, _exprEvaluatorContext);
}
}
if ((newEventsArr == null) && (oldEventsArr == null))
{
return(null);
}
return(new UniformPair <EventBean[]>(newEventsArr, oldEventsArr));
}
public UniformPair <EventBean[]> ProcessOutputLimitedJoin(IList <UniformPair <ISet <MultiKey <EventBean> > > > joinEventsSet, bool generateSynthetic, OutputLimitLimitType outputLimitLimitType)
{
if (outputLimitLimitType == OutputLimitLimitType.LAST)
{
EventBean lastOldEvent = null;
EventBean lastNewEvent = null;
foreach (UniformPair <ISet <MultiKey <EventBean> > > pair in joinEventsSet)
{
ICollection <MultiKey <EventBean> > newData = pair.First;
ICollection <MultiKey <EventBean> > oldData = pair.Second;
if (_prototype.IsUnidirectional)
{
Clear();
}
if (newData != null)
{
// apply new data to aggregates
foreach (MultiKey <EventBean> eventsPerStream in newData)
{
_aggregationService.ApplyEnter(eventsPerStream.Array, null, _exprEvaluatorContext);
}
}
if (oldData != null)
{
// apply old data to aggregates
foreach (MultiKey <EventBean> eventsPerStream in oldData)
{
_aggregationService.ApplyLeave(eventsPerStream.Array, null, _exprEvaluatorContext);
}
}
EventBean[] selectOldEvents;
if (_prototype.IsSelectRStream)
{
if (_prototype.OptionalHavingNode == null)
{
selectOldEvents = ResultSetProcessorUtil.GetSelectJoinEventsNoHaving(_selectExprProcessor, oldData, false, generateSynthetic, _exprEvaluatorContext);
}
else
{
selectOldEvents = ResultSetProcessorUtil.GetSelectJoinEventsHaving(_selectExprProcessor, oldData, _prototype.OptionalHavingNode, false, generateSynthetic, _exprEvaluatorContext);
}
if ((selectOldEvents != null) && (selectOldEvents.Length > 0))
{
lastOldEvent = selectOldEvents[selectOldEvents.Length - 1];
}
}
// generate new events using select expressions
EventBean[] selectNewEvents;
if (_prototype.OptionalHavingNode == null)
{
selectNewEvents = ResultSetProcessorUtil.GetSelectJoinEventsNoHaving(_selectExprProcessor, newData, true, generateSynthetic, _exprEvaluatorContext);
}
else
{
selectNewEvents = ResultSetProcessorUtil.GetSelectJoinEventsHaving(_selectExprProcessor, newData, _prototype.OptionalHavingNode, true, generateSynthetic, _exprEvaluatorContext);
}
if ((selectNewEvents != null) && (selectNewEvents.Length > 0))
{
lastNewEvent = selectNewEvents[selectNewEvents.Length - 1];
}
}
EventBean[] lastNew = (lastNewEvent != null) ? new EventBean[] { lastNewEvent } : null;
EventBean[] lastOld = (lastOldEvent != null) ? new EventBean[] { lastOldEvent } : null;
if ((lastNew == null) && (lastOld == null))
{
return(null);
}
return(new UniformPair <EventBean[]>(lastNew, lastOld));
}
else
{
IList <EventBean> newEvents = new List <EventBean>();
IList <EventBean> oldEvents = null;
if (_prototype.IsSelectRStream)
{
oldEvents = new List <EventBean>();
}
ICollection <Object> newEventsSortKey = null;
ICollection <Object> oldEventsSortKey = null;
if (_orderByProcessor != null)
{
newEventsSortKey = new LinkedList <Object>();
if (_prototype.IsSelectRStream)
{
oldEventsSortKey = new LinkedList <Object>();
}
}
foreach (UniformPair <ISet <MultiKey <EventBean> > > pair in joinEventsSet)
{
ICollection <MultiKey <EventBean> > newData = pair.First;
ICollection <MultiKey <EventBean> > oldData = pair.Second;
if (_prototype.IsUnidirectional)
{
Clear();
}
if (newData != null)
{
// apply new data to aggregates
foreach (MultiKey <EventBean> row in newData)
{
_aggregationService.ApplyEnter(row.Array, null, _exprEvaluatorContext);
}
}
if (oldData != null)
{
// apply old data to aggregates
foreach (MultiKey <EventBean> row in oldData)
{
_aggregationService.ApplyLeave(row.Array, null, _exprEvaluatorContext);
}
}
// generate old events using select expressions
if (_prototype.IsSelectRStream)
{
if (_prototype.OptionalHavingNode == null)
{
if (_orderByProcessor == null)
{
ResultSetProcessorUtil.PopulateSelectJoinEventsNoHaving(_selectExprProcessor, oldData, false, generateSynthetic, oldEvents, _exprEvaluatorContext);
}
else
{
ResultSetProcessorUtil.PopulateSelectJoinEventsNoHavingWithOrderBy(_selectExprProcessor, _orderByProcessor, oldData, false, generateSynthetic, oldEvents, oldEventsSortKey, _exprEvaluatorContext);
}
}
// generate old events using having then select
else
{
if (_orderByProcessor == null)
{
ResultSetProcessorUtil.PopulateSelectJoinEventsHaving(_selectExprProcessor, oldData, _prototype.OptionalHavingNode, false, generateSynthetic, oldEvents, _exprEvaluatorContext);
}
else
{
ResultSetProcessorUtil.PopulateSelectJoinEventsHavingWithOrderBy(_selectExprProcessor, _orderByProcessor, oldData, _prototype.OptionalHavingNode, false, generateSynthetic, oldEvents, oldEventsSortKey, _exprEvaluatorContext);
}
}
}
// generate new events using select expressions
if (_prototype.OptionalHavingNode == null)
{
if (_orderByProcessor == null)
{
ResultSetProcessorUtil.PopulateSelectJoinEventsNoHaving(_selectExprProcessor, newData, true, generateSynthetic, newEvents, _exprEvaluatorContext);
}
else
{
ResultSetProcessorUtil.PopulateSelectJoinEventsNoHavingWithOrderBy(_selectExprProcessor, _orderByProcessor, newData, true, generateSynthetic, newEvents, newEventsSortKey, _exprEvaluatorContext);
}
}
else
{
if (_orderByProcessor == null)
{
ResultSetProcessorUtil.PopulateSelectJoinEventsHaving(_selectExprProcessor, newData, _prototype.OptionalHavingNode, true, generateSynthetic, newEvents, _exprEvaluatorContext);
}
else
{
ResultSetProcessorUtil.PopulateSelectJoinEventsHavingWithOrderBy(_selectExprProcessor, _orderByProcessor, newData, _prototype.OptionalHavingNode, true, generateSynthetic, newEvents, newEventsSortKey, _exprEvaluatorContext);
}
}
}
EventBean[] newEventsArr = (newEvents.IsEmpty()) ? null : newEvents.ToArray();
EventBean[] oldEventsArr = null;
if (_prototype.IsSelectRStream)
{
oldEventsArr = (oldEvents.IsEmpty()) ? null : oldEvents.ToArray();
}
if (_orderByProcessor != null)
{
Object[] sortKeysNew = (newEventsSortKey.IsEmpty()) ? null : newEventsSortKey.ToArray();
newEventsArr = _orderByProcessor.Sort(newEventsArr, sortKeysNew, _exprEvaluatorContext);
if (_prototype.IsSelectRStream)
{
Object[] sortKeysOld = (oldEventsSortKey.IsEmpty()) ? null : oldEventsSortKey.ToArray();
oldEventsArr = _orderByProcessor.Sort(oldEventsArr, sortKeysOld, _exprEvaluatorContext);
}
}
if ((newEventsArr == null) && (oldEventsArr == null))
{
return(null);
}
return(new UniformPair <EventBean[]>(newEventsArr, oldEventsArr));
}
}