protected override void PostProcess(
bool force,
UniformPair<EventBean[]> newOldEvents,
UpdateDispatchView childView)
{
_postProcessor.Output(force, newOldEvents, childView);
}
protected virtual void PostProcess(
bool force,
UniformPair<EventBean[]> newOldEvents,
UpdateDispatchView childView)
{
OutputStrategyUtil.Output(force, newOldEvents, childView);
}
public bool RemoveView(View view)
{
if (view != ChildView)
{
throw new IllegalStateException("Cannot remove child view, view has not been supplied");
}
ChildView = null;
return(true);
}
public View AddView(View view)
{
if (ChildView != null)
{
throw new IllegalStateException("Child view has already been supplied");
}
ChildView = (UpdateDispatchView)view;
return(this);
}
public EPStatementFactoryArgs(
StatementContext statementContext,
UpdateDispatchView dispatchChildView,
StatementResultServiceImpl statementResultService)
{
StatementContext = statementContext;
DispatchChildView = dispatchChildView;
StatementResultService = statementResultService;
}
public StatementContext(
IContainer container,
ContextRuntimeDescriptor contextRuntimeDescriptor,
string deploymentId,
int statementId,
string statementName,
string moduleName,
StatementInformationalsRuntime statementInformationals,
object userObjectRuntime,
StatementContextRuntimeServices statementContextRuntimeServices,
EPStatementHandle epStatementHandle,
IDictionary<int, FilterSpecActivatable> filterSpecActivatables,
PatternSubexpressionPoolStmtSvc patternSubexpressionPoolSvc,
RowRecogStatePoolStmtSvc rowRecogStatePoolStmtSvc,
ScheduleBucket scheduleBucket,
StatementAIResourceRegistry statementAIResourceRegistry,
StatementCPCacheService statementCPCacheService,
StatementAIFactoryProvider statementAIFactoryProvider,
StatementResultService statementResultService,
UpdateDispatchView updateDispatchView,
FilterService filterService,
SchedulingService schedulingService,
InternalEventRouteDest internalEventRouteDest)
{
Container = container;
ContextRuntimeDescriptor = contextRuntimeDescriptor;
DeploymentId = deploymentId;
StatementId = statementId;
StatementName = statementName;
ModuleName = moduleName;
StatementInformationals = statementInformationals;
UserObjectRuntime = userObjectRuntime;
StatementContextRuntimeServices = statementContextRuntimeServices;
EpStatementHandle = epStatementHandle;
FilterSpecActivatables = filterSpecActivatables;
PatternSubexpressionPoolSvc = patternSubexpressionPoolSvc;
RowRecogStatePoolStmtSvc = rowRecogStatePoolStmtSvc;
ScheduleBucket = scheduleBucket;
StatementAIResourceRegistry = statementAIResourceRegistry;
StatementCPCacheService = statementCPCacheService;
StatementAIFactoryProvider = statementAIFactoryProvider;
StatementResultService = statementResultService;
UpdateDispatchView = updateDispatchView;
StatementContextFilterEvalEnv = new StatementContextFilterEvalEnv(
statementContextRuntimeServices.ImportServiceRuntime,
statementInformationals.Annotations,
statementContextRuntimeServices.VariableManagementService,
statementContextRuntimeServices.TableExprEvaluatorContext);
this.FilterService = filterService;
this.SchedulingService = schedulingService;
this.InternalEventRouteDest = internalEventRouteDest;
}
public static void Output(
bool forceUpdate,
UniformPair<EventBean[]> result,
UpdateDispatchView finalView)
{
var newEvents = result != null ? result.First : null;
var oldEvents = result != null ? result.Second : null;
if (newEvents != null || oldEvents != null) {
finalView.NewResult(result);
}
else if (forceUpdate) {
finalView.NewResult(result);
}
}
private static EPStatementSPI MakeStatement(
UpdateDispatchView dispatchChildView,
StatementContext statementContext,
StatementResultServiceImpl statementResultService,
EPRuntimeSPI epRuntime)
{
var epStatement =
epRuntime.ServicesContext.EpStatementFactory.Statement(new EPStatementFactoryArgs(statementContext, dispatchChildView, statementResultService));
var info = statementContext.StatementInformationals;
statementResultService.SetSelectClause(info.SelectClauseTypes, info.SelectClauseColumnNames, info.IsForClauseDelivery, info.GroupDeliveryEval);
statementResultService.SetContext(epStatement, epRuntime);
return(epStatement);
}
public void Output(bool forceUpdate, UniformPair <EventBean[]> result, UpdateDispatchView finalView)
{
var newEvents = result != null ? result.First : null;
var oldEvents = result != null ? result.Second : null;
// route first
if (_parent.IsRoute)
{
if ((newEvents != null) && (_parent.InsertIntoStreamSelector.Value.IsSelectsIStream()))
{
Route(newEvents, _agentInstanceContext);
}
if ((oldEvents != null) && (_parent.InsertIntoStreamSelector.Value.IsSelectsRStream()))
{
Route(oldEvents, _agentInstanceContext);
}
}
// discard one side of results
if (_parent.SelectStreamDirEnum == SelectClauseStreamSelectorEnum.RSTREAM_ONLY)
{
newEvents = oldEvents;
oldEvents = null;
}
else if (_parent.SelectStreamDirEnum == SelectClauseStreamSelectorEnum.ISTREAM_ONLY)
{
oldEvents = null; // since the insert-into may require rstream
}
// dispatch
if (newEvents != null || oldEvents != null)
{
finalView.NewResult(new UniformPair <EventBean[]>(newEvents, oldEvents));
}
else if (forceUpdate)
{
finalView.NewResult(new UniformPair <EventBean[]>(null, null));
}
}
public void RemoveAllViews()
{
ChildView = null;
}
public void RemoveAll(UpdateDispatchView updateDispatchView) {
var dispatchables = dispatchStateThreadLocal.GetOrCreate();
dispatchables.RemoveWhere(
dispatchable => dispatchable.View == updateDispatchView,
dispatchable => dispatchable.Cancelled());
}
