private static SelectExprProcessorWInsertTarget GetProcessorInternal(
SelectProcessorArgs args,
InsertIntoDesc insertIntoDesc)
{
// Wildcard not allowed when insert into specifies column order
if (args.IsUsingWildcard && insertIntoDesc != null && !insertIntoDesc.ColumnNames.IsEmpty()) {
throw new ExprValidationException("Wildcard not allowed when insert-into specifies column order");
}
var insertIntoTarget = insertIntoDesc == null
? null
: args.EventTypeCompileTimeResolver.GetTypeByName(insertIntoDesc.EventTypeName);
// Determine wildcard processor (select *)
if (IsWildcardsOnly(args.SelectionList)) {
// For joins
if (args.TypeService.StreamNames.Length > 1 && !(insertIntoTarget is VariantEventType)) {
Log.Debug(".getProcessor Using SelectExprJoinWildcardProcessor");
SelectExprProcessorForgeWForgables pair = SelectExprJoinWildcardProcessorFactory.Create(args, insertIntoDesc, eventTypeName => eventTypeName);
SelectExprProcessorForge forgeX = pair.Forge;
return new SelectExprProcessorWInsertTarget(forgeX, null, pair.AdditionalForgeables);
}
if (insertIntoDesc == null) {
// Single-table selects with no insert-into
// don't need extra processing
Log.Debug(".getProcessor Using wildcard processor");
if (args.TypeService.HasTableTypes) {
var table = args.TableCompileTimeResolver.ResolveTableFromEventType(
args.TypeService.EventTypes[0]);
if (table != null) {
SelectExprProcessorForge forgeX = new SelectEvalWildcardTable(table);
return new SelectExprProcessorWInsertTarget(forgeX, null, EmptyList<StmtClassForgeableFactory>.Instance);
}
}
SelectExprProcessorForge forgeOuter = new SelectEvalWildcardNonJoin(args.TypeService.EventTypes[0]);
return new SelectExprProcessorWInsertTarget(forgeOuter, null, EmptyList<StmtClassForgeableFactory>.Instance);
}
}
// Verify the assigned or name used is unique
if (insertIntoDesc == null) {
VerifyNameUniqueness(args.SelectionList);
}
// Construct processor
var buckets = GetSelectExpressionBuckets(args.SelectionList);
var factory = new SelectExprProcessorHelper(
buckets.Expressions,
buckets.SelectedStreams,
args,
insertIntoDesc);
return factory.Forge;
}
public static SelectExprProcessorDescriptor GetProcessor(
SelectProcessorArgs args,
InsertIntoDesc insertIntoDesc,
bool withSubscriber)
{
IList<StmtClassForgeableFactory> additionalForgeables = new List<StmtClassForgeableFactory>();
SelectExprProcessorWInsertTarget synthetic = GetProcessorInternal(args, insertIntoDesc);
additionalForgeables.AddAll(synthetic.AdditionalForgeables);
// plan serdes for variant event types
if (synthetic.InsertIntoTargetType is VariantEventType ||
synthetic.InsertIntoTargetType is WrapperEventType &&
(((WrapperEventType) synthetic.InsertIntoTargetType).UnderlyingEventType is VariantEventType)) {
var serdeForgeables = SerdeEventTypeUtility.Plan(
synthetic.Forge.ResultEventType,
args.StatementRawInfo,
args.CompileTimeServices.SerdeEventTypeRegistry,
args.CompileTimeServices.SerdeResolver);
additionalForgeables.AddAll(serdeForgeables);
foreach (EventType eventType in args.TypeService.EventTypes) {
serdeForgeables = SerdeEventTypeUtility.Plan(
eventType,
args.StatementRawInfo,
args.CompileTimeServices.SerdeEventTypeRegistry,
args.CompileTimeServices.SerdeResolver);
additionalForgeables.AddAll(serdeForgeables);
}
}
if (args.IsFireAndForget || !withSubscriber) {
return new SelectExprProcessorDescriptor(new SelectSubscriberDescriptor(), synthetic.Forge, additionalForgeables);
}
// Handle for-clause delivery contract checking
ExprNode[] groupedDeliveryExpr = null;
MultiKeyClassRef groupedDeliveryMultiKey = null;
var forDelivery = false;
if (args.ForClauseSpec != null) {
foreach (var item in args.ForClauseSpec.Clauses) {
if (item.Keyword == null) {
throw new ExprValidationException(
"Expected any of the " +
EnumHelper.GetValues<ForClauseKeyword>().RenderAny().ToLowerInvariant() +
" for-clause keywords after reserved keyword 'for'");
}
try {
var keyword = EnumHelper.Parse<ForClauseKeyword>(item.Keyword);
if (keyword == ForClauseKeyword.GROUPED_DELIVERY && item.Expressions.IsEmpty()) {
throw new ExprValidationException(
"The for-clause with the " +
ForClauseKeyword.GROUPED_DELIVERY.GetName() +
" keyword requires one or more grouping expressions");
}
if (keyword == ForClauseKeyword.DISCRETE_DELIVERY && !item.Expressions.IsEmpty()) {
throw new ExprValidationException(
"The for-clause with the " +
ForClauseKeyword.DISCRETE_DELIVERY.GetName() +
" keyword does not allow grouping expressions");
}
if (forDelivery) {
throw new ExprValidationException(
"The for-clause with delivery keywords may only occur once in a statement");
}
}
catch (ExprValidationException) {
throw;
}
catch (EPException) {
throw;
}
catch (Exception) {
throw new ExprValidationException(
"Expected any of the " +
EnumHelper.GetValues<ForClauseKeyword>().RenderAny().ToLowerInvariant() +
" for-clause keywords after reserved keyword 'for'");
}
StreamTypeService type = new StreamTypeServiceImpl(synthetic.Forge.ResultEventType, null, false);
groupedDeliveryExpr = new ExprNode[item.Expressions.Count];
var validationContext = new ExprValidationContextBuilder(
type,
args.StatementRawInfo,
args.CompileTimeServices)
.WithAllowBindingConsumption(true)
.Build();
for (var i = 0; i < item.Expressions.Count; i++) {
groupedDeliveryExpr[i] = ExprNodeUtilityValidate.GetValidatedSubtree(
ExprNodeOrigin.FORCLAUSE,
item.Expressions[i],
validationContext);
}
forDelivery = true;
MultiKeyPlan multiKeyPlan = MultiKeyPlanner.PlanMultiKey(
groupedDeliveryExpr, false, args.StatementRawInfo, args.SerdeResolver);
groupedDeliveryMultiKey = multiKeyPlan.ClassRef;
additionalForgeables = multiKeyPlan.MultiKeyForgeables;
}
if (groupedDeliveryExpr != null && groupedDeliveryExpr.Length == 0) {
groupedDeliveryExpr = null;
}
}
var allowSubscriber = args.CompileTimeServices.Configuration.Compiler.ByteCode.IsAllowSubscriber;
SelectSubscriberDescriptor descriptor;
SelectExprProcessorForge forge;
if (allowSubscriber) {
BindProcessorForge bindProcessor = new BindProcessorForge(
synthetic.Forge,
args.SelectionList,
args.TypeService.EventTypes,
args.TypeService.StreamNames,
args.TableCompileTimeResolver);
descriptor = new SelectSubscriberDescriptor(
bindProcessor.ExpressionTypes,
bindProcessor.ColumnNamesAssigned,
forDelivery,
groupedDeliveryExpr,
groupedDeliveryMultiKey);
forge = new BindSelectExprProcessorForge(synthetic.Forge, bindProcessor);
} else {
descriptor = new SelectSubscriberDescriptor();
forge = new ListenerOnlySelectExprProcessorForge(synthetic.Forge);
}
return new SelectExprProcessorDescriptor(descriptor, forge, additionalForgeables);
}
public static SelectExprProcessorForgeWForgables Create(
SelectProcessorArgs args,
InsertIntoDesc insertIntoDesc,
Func<String, String> eventTypeNamePostfix)
{
var streamNames = args.TypeService.StreamNames;
var streamTypes = args.TypeService.EventTypes;
var moduleName = args.ModuleName;
var additionalForgeables = new List<StmtClassForgeableFactory>();
if (streamNames.Length < 2 || streamTypes.Length < 2 || streamNames.Length != streamTypes.Length) {
throw new ArgumentException(
"Stream names and types parameter length is invalid, expected use of this class is for join statements");
}
// Create EventType of result join events
var selectProperties = new LinkedHashMap<string, object>();
var streamTypesWTables = new EventType[streamTypes.Length];
var hasTables = false;
for (var i = 0; i < streamTypes.Length; i++) {
streamTypesWTables[i] = streamTypes[i];
var table = args.TableCompileTimeResolver.ResolveTableFromEventType(streamTypesWTables[i]);
if (table != null) {
hasTables = true;
streamTypesWTables[i] = table.PublicEventType;
}
selectProperties.Put(streamNames[i], streamTypesWTables[i]);
}
// If we have a name for this type, add it
var representation = EventRepresentationUtil.GetRepresentation(
args.Annotations,
args.Configuration,
AssignedType.NONE);
EventType resultEventType;
SelectExprProcessorForge processor = null;
if (insertIntoDesc != null) {
var existingType = args.EventTypeCompileTimeResolver.GetTypeByName(insertIntoDesc.EventTypeName);
if (existingType != null) {
processor = SelectExprInsertEventBeanFactory.GetInsertUnderlyingJoinWildcard(
existingType,
streamNames,
streamTypesWTables,
args.ImportService,
args.StatementName,
args.EventTypeAvroHandler);
}
}
if (processor == null) {
if (insertIntoDesc != null) {
var eventTypeName = eventTypeNamePostfix.Invoke(insertIntoDesc.EventTypeName);
var visibility =
args.CompileTimeServices.ModuleVisibilityRules.GetAccessModifierEventType(
args.StatementRawInfo,
eventTypeName);
var metadata = new Func<EventTypeApplicationType, EventTypeMetadata>(
apptype => new EventTypeMetadata(
eventTypeName,
moduleName,
EventTypeTypeClass.STREAM,
apptype,
visibility,
EventTypeBusModifier.NONBUS,
false,
EventTypeIdPair.Unassigned()));
if (representation == EventUnderlyingType.MAP) {
IDictionary<string, object> propertyTypes =
EventTypeUtility.GetPropertyTypesNonPrimitive(selectProperties);
resultEventType = BaseNestableEventUtil.MakeMapTypeCompileTime(
metadata.Invoke(EventTypeApplicationType.MAP),
propertyTypes,
null,
null,
null,
null,
args.BeanEventTypeFactoryPrivate,
args.EventTypeCompileTimeResolver);
}
else if (representation == EventUnderlyingType.OBJECTARRAY) {
IDictionary<string, object> propertyTypes =
EventTypeUtility.GetPropertyTypesNonPrimitive(selectProperties);
resultEventType = BaseNestableEventUtil.MakeOATypeCompileTime(
metadata.Invoke(EventTypeApplicationType.OBJECTARR),
propertyTypes,
null,
null,
null,
null,
args.BeanEventTypeFactoryPrivate,
args.EventTypeCompileTimeResolver);
}
else if (representation == EventUnderlyingType.AVRO) {
resultEventType = args.EventTypeAvroHandler.NewEventTypeFromNormalized(
metadata.Invoke(EventTypeApplicationType.AVRO),
args.EventTypeCompileTimeResolver,
EventBeanTypedEventFactoryCompileTime.INSTANCE,
selectProperties,
args.Annotations,
null,
null,
null,
args.StatementName);
} else if (representation == EventUnderlyingType.JSON) {
EventTypeForgeablesPair pair = JsonEventTypeUtility.MakeJsonTypeCompileTimeNewType(
metadata.Invoke(EventTypeApplicationType.JSON),
selectProperties,
null,
null,
args.StatementRawInfo,
args.CompileTimeServices);
resultEventType = pair.EventType;
additionalForgeables.AddAll(pair.AdditionalForgeables);
}
else {
throw new IllegalStateException("Unrecognized code " + representation);
}
args.EventTypeCompileTimeRegistry.NewType(resultEventType);
}
else {
var eventTypeName = eventTypeNamePostfix.Invoke(
args.CompileTimeServices.EventTypeNameGeneratorStatement.AnonymousTypeName);
IDictionary<string, object> propertyTypes =
EventTypeUtility.GetPropertyTypesNonPrimitive(selectProperties);
var metadata = new Func<EventTypeApplicationType, EventTypeMetadata>(
type => new EventTypeMetadata(
eventTypeName,
moduleName,
EventTypeTypeClass.STATEMENTOUT,
type,
NameAccessModifier.TRANSIENT,
EventTypeBusModifier.NONBUS,
false,
EventTypeIdPair.Unassigned()));
if (representation == EventUnderlyingType.MAP) {
resultEventType = BaseNestableEventUtil.MakeMapTypeCompileTime(
metadata.Invoke(EventTypeApplicationType.MAP),
propertyTypes,
null,
null,
null,
null,
args.BeanEventTypeFactoryPrivate,
args.EventTypeCompileTimeResolver);
}
else if (representation == EventUnderlyingType.OBJECTARRAY) {
resultEventType = BaseNestableEventUtil.MakeOATypeCompileTime(
metadata.Invoke(EventTypeApplicationType.OBJECTARR),
propertyTypes,
null,
null,
null,
null,
args.BeanEventTypeFactoryPrivate,
args.EventTypeCompileTimeResolver);
}
else if (representation == EventUnderlyingType.AVRO) {
resultEventType = args.EventTypeAvroHandler.NewEventTypeFromNormalized(
metadata.Invoke(EventTypeApplicationType.AVRO),
args.EventTypeCompileTimeResolver,
args.BeanEventTypeFactoryPrivate.EventBeanTypedEventFactory,
selectProperties,
args.Annotations,
null,
null,
null,
args.StatementName);
} else if (representation == EventUnderlyingType.JSON) {
EventTypeForgeablesPair pair = JsonEventTypeUtility.MakeJsonTypeCompileTimeNewType(
metadata.Invoke(EventTypeApplicationType.JSON),
propertyTypes,
null,
null,
args.StatementRawInfo,
args.CompileTimeServices);
resultEventType = pair.EventType;
additionalForgeables.AddAll(pair.AdditionalForgeables);
}
else {
throw new IllegalStateException("Unrecognized enum " + representation);
}
args.EventTypeCompileTimeRegistry.NewType(resultEventType);
}
// NOTE: Processors herein maintain their own result-event-type as they become inner types,
// for example "insert into VariantStream select * from A, B"
if (resultEventType is ObjectArrayEventType) {
processor = new SelectEvalJoinWildcardProcessorObjectArray(streamNames, resultEventType);
}
else if (resultEventType is MapEventType) {
processor = new SelectEvalJoinWildcardProcessorMap(streamNames, resultEventType);
}
else if (resultEventType is AvroSchemaEventType) {
processor = args.EventTypeAvroHandler.OutputFactory.MakeJoinWildcard(streamNames, resultEventType);
} else if (resultEventType is JsonEventType) {
processor = new SelectEvalJoinWildcardProcessorJson(streamNames, (JsonEventType) resultEventType);
}
}
if (!hasTables) {
return new SelectExprProcessorForgeWForgables(processor, additionalForgeables);
}
processor = new SelectEvalJoinWildcardProcessorTableRows(streamTypes, processor, args.TableCompileTimeResolver);
return new SelectExprProcessorForgeWForgables(processor, additionalForgeables);
}
