public static TableOnViewFactory Make(
TableMetadata tableMetadata,
OnTriggerDesc onTriggerDesc,
EventType filterEventType,
string filterStreamName,
StatementContext statementContext,
StatementMetricHandle metricsHandle,
bool isDistinct,
InternalEventRouter internalEventRouter)
{
if (onTriggerDesc.OnTriggerType == OnTriggerType.ON_DELETE)
{
return(new TableOnDeleteViewFactory(statementContext.StatementResultService, tableMetadata));
}
else if (onTriggerDesc.OnTriggerType == OnTriggerType.ON_SELECT)
{
EventBeanReader eventBeanReader = null;
if (isDistinct)
{
eventBeanReader = tableMetadata.InternalEventType.GetReader();
}
var windowDesc = (OnTriggerWindowDesc)onTriggerDesc;
return(new TableOnSelectViewFactory(
tableMetadata, internalEventRouter, statementContext.EpStatementHandle,
eventBeanReader, isDistinct, statementContext.StatementResultService,
statementContext.InternalEventEngineRouteDest, windowDesc.IsDeleteAndSelect));
}
else if (onTriggerDesc.OnTriggerType == OnTriggerType.ON_UPDATE)
{
var updateDesc = (OnTriggerWindowUpdateDesc)onTriggerDesc;
var updateHelper = EventBeanUpdateHelperFactory.Make(
tableMetadata.TableName, (EventTypeSPI)tableMetadata.InternalEventType, updateDesc.Assignments,
updateDesc.OptionalAsName, filterEventType, false);
TableUpdateStrategy updateStrategy = statementContext.TableService.GetTableUpdateStrategy(
tableMetadata, updateHelper, false);
var onUpdateViewFactory =
new TableOnUpdateViewFactory(
statementContext.StatementResultService, tableMetadata, updateHelper, updateStrategy);
statementContext.TableService.AddTableUpdateStrategyReceiver(
tableMetadata, statementContext.StatementName, onUpdateViewFactory, updateHelper, false);
return(onUpdateViewFactory);
}
else if (onTriggerDesc.OnTriggerType == OnTriggerType.ON_MERGE)
{
var onMergeTriggerDesc = (OnTriggerMergeDesc)onTriggerDesc;
var onMergeHelper = new TableOnMergeHelper(
statementContext, onMergeTriggerDesc, filterEventType, filterStreamName, internalEventRouter,
tableMetadata);
return(new TableOnMergeViewFactory(
tableMetadata, onMergeHelper, statementContext.StatementResultService, metricsHandle,
statementContext.MetricReportingService));
}
else
{
throw new IllegalStateException("Unknown trigger type " + onTriggerDesc.OnTriggerType);
}
}
public TableOnMergeViewFactory(
TableMetadata tableMetadata,
TableOnMergeHelper onMergeHelper,
StatementResultService statementResultService,
StatementMetricHandle metricsHandle,
MetricReportingServiceSPI metricReportingService)
{
TableMetadata = tableMetadata;
OnMergeHelper = onMergeHelper;
StatementResultService = statementResultService;
MetricsHandle = metricsHandle;
MetricReportingService = metricReportingService;
}
