private static List<StmtClassForgeableFactory> PlanMultikeys(
QueryPlanIndexForge[] indexSpecs,
StatementRawInfo raw,
StatementCompileTimeServices compileTimeServices)
{
List<StmtClassForgeableFactory> multiKeyForgeables = new List<StmtClassForgeableFactory>();
foreach (QueryPlanIndexForge spec in indexSpecs) {
if (spec == null) {
continue;
}
foreach (var entry in spec.Items) {
QueryPlanIndexItemForge forge = entry.Value;
MultiKeyPlan plan = MultiKeyPlanner.PlanMultiKey(
forge.HashTypes, false, raw, compileTimeServices.SerdeResolver);
multiKeyForgeables.AddAll(plan.MultiKeyForgeables);
forge.HashMultiKeyClasses = plan.ClassRef;
DataInputOutputSerdeForge[] rangeSerdes = new DataInputOutputSerdeForge[forge.RangeTypes.Length];
for (int i = 0; i < forge.RangeTypes.Length; i++) {
rangeSerdes[i] = compileTimeServices.SerdeResolver.SerdeForIndexBtree(forge.RangeTypes[i], raw);
}
forge.RangeSerdes = rangeSerdes;
}
}
return multiKeyForgeables;
}
public override IList<StmtClassForgeableFactory> InitAdditionalForgeables(ViewForgeEnv viewForgeEnv)
{
MultiKeyPlan desc = MultiKeyPlanner.PlanMultiKey(
criteriaExpressions,
false,
viewForgeEnv.StatementRawInfo,
viewForgeEnv.StatementCompileTimeServices.SerdeResolver);
multiKeyClassNames = desc.ClassRef;
return desc.MultiKeyForgeables;
}
public override IList<StmtClassForgeableFactory> Validate(
StreamTypeService typeService,
StatementBaseInfo @base,
StatementCompileTimeServices services)
{
int count = 0;
ExprValidationContext validationContext =
new ExprValidationContextBuilder(typeService, @base.StatementRawInfo, services)
.WithAllowBindingConsumption(true)
.Build();
ExprNode[] inputParamNodes = new ExprNode[inputParameters.Length];
foreach (string inputParam in inputParameters) {
ExprNode raw = FindSQLExpressionNode(StreamNum, count, @base.StatementSpec.Raw.SqlParameters);
if (raw == null) {
throw new ExprValidationException(
"Internal error find expression for historical stream parameter " +
count +
" stream " +
StreamNum);
}
ExprNode evaluator = ExprNodeUtilityValidate.GetValidatedSubtree(
ExprNodeOrigin.DATABASEPOLL,
raw,
validationContext);
inputParamNodes[count++] = evaluator;
ExprNodeIdentifierCollectVisitor visitor = new ExprNodeIdentifierCollectVisitor();
visitor.Visit(evaluator);
foreach (ExprIdentNode identNode in visitor.ExprProperties) {
if (identNode.StreamId == StreamNum) {
throw new ExprValidationException(
"Invalid expression '" + inputParam + "' resolves to the historical data itself");
}
SubordinateStreams.Add(identNode.StreamId);
}
}
InputParamEvaluators = ExprNodeUtilityQuery.GetForges(inputParamNodes);
// plan multikey
MultiKeyPlan multiKeyPlan = MultiKeyPlanner.PlanMultiKey(InputParamEvaluators, false, @base.StatementRawInfo, services.SerdeResolver);
MultiKeyClassRef = multiKeyPlan.ClassRef;
return multiKeyPlan.MultiKeyForgeables;
}
public override IList<StmtClassForgeableFactory> Validate(
StreamTypeService typeService,
StatementBaseInfo @base,
StatementCompileTimeServices services)
{
// validate and visit
var validationContext = new ExprValidationContextBuilder(typeService, @base.StatementRawInfo, services)
.WithAllowBindingConsumption(true)
.Build();
var visitor = new ExprNodeIdentifierAndStreamRefVisitor(true);
var validatedInputParameters = new List<ExprNode>();
foreach (var exprNode in methodStreamSpec.Expressions) {
var validated = ExprNodeUtilityValidate.GetValidatedSubtree(
ExprNodeOrigin.METHODINVJOIN,
exprNode,
validationContext);
validatedInputParameters.Add(validated);
validated.Accept(visitor);
}
// determine required streams
foreach (ExprNodePropOrStreamDesc @ref in visitor.Refs) {
SubordinateStreams.Add(@ref.StreamNum);
}
// class-based evaluation
MethodInfo targetMethod = null;
if (metadata.MethodProviderClass != null) {
// resolve actual method to use
ExprNodeUtilResolveExceptionHandler handler = new ProxyExprNodeUtilResolveExceptionHandler {
ProcHandle = e => {
if (methodStreamSpec.Expressions.Count == 0) {
return new ExprValidationException(
"Method footprint does not match the number or type of expression parameters, expecting no parameters in method: " +
e.Message);
}
var resultTypes = ExprNodeUtilityQuery.GetExprResultTypes(validatedInputParameters);
return new ExprValidationException(
"Method footprint does not match the number or type of expression parameters, expecting a method where parameters are typed '" +
TypeHelper.GetParameterAsString(resultTypes) +
"': " +
e.Message);
}
};
var desc = ExprNodeUtilityResolve.ResolveMethodAllowWildcardAndStream(
metadata.MethodProviderClass.FullName,
metadata.IsStaticMethod ? null : metadata.MethodProviderClass,
methodStreamSpec.MethodName,
validatedInputParameters,
false,
null,
handler,
methodStreamSpec.MethodName,
@base.StatementRawInfo,
services);
InputParamEvaluators = desc.ChildForges;
targetMethod = desc.ReflectionMethod;
}
else {
// script-based evaluation
InputParamEvaluators = ExprNodeUtilityQuery.GetForges(ExprNodeUtilityQuery.ToArray(validatedInputParameters));
}
// plan multikey
MultiKeyPlan multiKeyPlan = MultiKeyPlanner.PlanMultiKey(InputParamEvaluators, false, @base.StatementRawInfo, services.SerdeResolver);
MultiKeyClassRef = multiKeyPlan.ClassRef;
Pair<MethodTargetStrategyForge, MethodConversionStrategyForge> strategies =
PollExecStrategyPlanner.Plan(metadata, targetMethod, EventType);
target = strategies.First;
conversion = strategies.Second;
return multiKeyPlan.MultiKeyForgeables;
}
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 RowRecogPlan ValidateAndPlan(
IContainer container,
EventType parentEventType,
bool unbound,
StatementBaseInfo @base,
StatementCompileTimeServices services)
{
var statementRawInfo = @base.StatementRawInfo;
var matchRecognizeSpec = @base.StatementSpec.Raw.MatchRecognizeSpec;
var annotations = statementRawInfo.Annotations;
var iterateOnly = HintEnum.ITERATE_ONLY.GetHint(annotations) != null;
var additionalForgeables = new List<StmtClassForgeableFactory>();
// Expanded pattern already there
RowRecogExprNode expandedPatternNode = matchRecognizeSpec.Pattern;
// Determine single-row and multiple-row variables
var variablesSingle = new LinkedHashSet<string>();
var variablesMultiple = new LinkedHashSet<string>();
RowRecogHelper.RecursiveInspectVariables(expandedPatternNode, false, variablesSingle, variablesMultiple);
// each variable gets associated with a stream number (multiple-row variables as well to hold the current event for the expression).
var streamNum = 0;
var variableStreams = new LinkedHashMap<string, Pair<int, bool>>();
foreach (var variableSingle in variablesSingle) {
variableStreams.Put(variableSingle, new Pair<int, bool>(streamNum, false));
streamNum++;
}
foreach (var variableMultiple in variablesMultiple) {
variableStreams.Put(variableMultiple, new Pair<int, bool>(streamNum, true));
streamNum++;
}
// mapping of stream to variable
var streamVariables = new OrderedListDictionary<int, string>();
foreach (var entry in variableStreams) {
streamVariables.Put(entry.Value.First, entry.Key);
}
// determine visibility rules
var visibility = RowRecogHelper.DetermineVisibility(expandedPatternNode);
// assemble all single-row variables for expression validation
var allStreamNames = new string[variableStreams.Count];
var allTypes = new EventType[variableStreams.Count];
streamNum = 0;
foreach (var variableSingle in variablesSingle) {
allStreamNames[streamNum] = variableSingle;
allTypes[streamNum] = parentEventType;
streamNum++;
}
foreach (var variableMultiple in variablesMultiple) {
allStreamNames[streamNum] = variableMultiple;
allTypes[streamNum] = parentEventType;
streamNum++;
}
// determine type service for use with DEFINE
// validate each DEFINE clause expression
ISet<string> definedVariables = new HashSet<string>();
IList<ExprAggregateNode> aggregateNodes = new List<ExprAggregateNode>();
var isExprRequiresMultimatchState = new bool[variableStreams.Count];
var previousNodes = new OrderedListDictionary<int, IList<ExprPreviousMatchRecognizeNode>>();
for (var defineIndex = 0; defineIndex < matchRecognizeSpec.Defines.Count; defineIndex++) {
MatchRecognizeDefineItem defineItem = matchRecognizeSpec.Defines[defineIndex];
if (definedVariables.Contains(defineItem.Identifier)) {
throw new ExprValidationException(
"Variable '" + defineItem.Identifier + "' has already been defined");
}
definedVariables.Add(defineItem.Identifier);
// stream-type visibilities handled here
var typeServiceDefines = BuildDefineStreamTypeServiceDefine(
defineIndex,
variableStreams,
defineItem,
visibility,
parentEventType,
statementRawInfo,
services);
var exprNodeResult = HandlePreviousFunctions(defineItem.Expression, previousNodes);
var validationContext = new ExprValidationContextBuilder(typeServiceDefines, statementRawInfo, services)
.WithAllowBindingConsumption(true)
.WithDisablePropertyExpressionEventCollCache(true)
.Build();
ExprNode validated;
try {
// validate
validated = ExprNodeUtilityValidate.GetValidatedSubtree(
ExprNodeOrigin.MATCHRECOGDEFINE,
exprNodeResult,
validationContext);
// check aggregates
defineItem.Expression = validated;
ExprAggregateNodeUtil.GetAggregatesBottomUp(validated, aggregateNodes);
if (!aggregateNodes.IsEmpty()) {
throw new ExprValidationException("An aggregate function may not appear in a DEFINE clause");
}
}
catch (ExprValidationException ex) {
throw new ExprValidationException(
"Failed to validate condition expression for variable '" +
defineItem.Identifier +
"': " +
ex.Message,
ex);
}
// determine access to event properties from multi-matches
var visitor = new ExprNodeStreamRequiredVisitor();
validated.Accept(visitor);
var streamsRequired = visitor.StreamsRequired;
foreach (var streamRequired in streamsRequired) {
if (streamRequired >= variableStreams.Count) {
var streamNumIdent = variableStreams.Get(defineItem.Identifier).First;
isExprRequiresMultimatchState[streamNumIdent] = true;
break;
}
}
}
var defineAsksMultimatches = CollectionUtil.IsAnySet(isExprRequiresMultimatchState);
// determine type service for use with MEASURE
IDictionary<string, object> measureTypeDef = new LinkedHashMap<string, object>();
foreach (var variableSingle in variablesSingle) {
measureTypeDef.Put(variableSingle, parentEventType);
}
foreach (var variableMultiple in variablesMultiple) {
measureTypeDef.Put(variableMultiple, new[] {parentEventType});
}
var compositeTypeName = services.EventTypeNameGeneratorStatement.AnonymousRowrecogCompositeName;
var compositeTypeMetadata = new EventTypeMetadata(
compositeTypeName,
@base.ModuleName,
EventTypeTypeClass.MATCHRECOGDERIVED,
EventTypeApplicationType.OBJECTARR,
NameAccessModifier.TRANSIENT,
EventTypeBusModifier.NONBUS,
false,
EventTypeIdPair.Unassigned());
var compositeEventType = BaseNestableEventUtil.MakeOATypeCompileTime(
compositeTypeMetadata,
measureTypeDef,
null,
null,
null,
null,
services.BeanEventTypeFactoryPrivate,
services.EventTypeCompileTimeResolver);
services.EventTypeCompileTimeRegistry.NewType(compositeEventType);
StreamTypeService compositeTypeServiceMeasure =
new StreamTypeServiceImpl(compositeEventType, "MATCH_RECOGNIZE", true);
// find MEASURE clause aggregations
var measureReferencesMultivar = false;
IList<ExprAggregateNode> measureAggregateExprNodes = new List<ExprAggregateNode>();
foreach (var measureItem in matchRecognizeSpec.Measures) {
ExprAggregateNodeUtil.GetAggregatesBottomUp(measureItem.Expr, measureAggregateExprNodes);
}
AggregationServiceForgeDesc[] aggregationServices = null;
if (!measureAggregateExprNodes.IsEmpty()) {
aggregationServices = PlanAggregations(
measureAggregateExprNodes,
compositeTypeServiceMeasure,
allStreamNames,
allTypes,
streamVariables,
variablesMultiple,
@base,
services);
foreach (AggregationServiceForgeDesc svc in aggregationServices) {
if (svc != null) {
additionalForgeables.AddAll(svc.AdditionalForgeables);
}
}
}
// validate each MEASURE clause expression
IDictionary<string, object> rowTypeDef = new LinkedHashMap<string, object>();
var streamRefVisitor = new ExprNodeStreamUseCollectVisitor();
foreach (var measureItem in matchRecognizeSpec.Measures) {
if (measureItem.Name == null) {
throw new ExprValidationException(
"The measures clause requires that each expression utilizes the AS keyword to assign a column name");
}
var validated = ValidateMeasureClause(
measureItem.Expr,
compositeTypeServiceMeasure,
variablesMultiple,
variablesSingle,
statementRawInfo,
services);
measureItem.Expr = validated;
rowTypeDef.Put(measureItem.Name, validated.Forge.EvaluationType);
validated.Accept(streamRefVisitor);
}
// Determine if any of the multi-var streams are referenced in the measures (non-aggregated only)
foreach (var @ref in streamRefVisitor.Referenced) {
var rootPropName = @ref.RootPropertyNameIfAny;
if (rootPropName != null) {
if (variablesMultiple.Contains(rootPropName)) {
measureReferencesMultivar = true;
break;
}
}
var streamRequired = @ref.StreamReferencedIfAny;
if (streamRequired != null) {
var streamVariable = streamVariables.Get(streamRequired.Value);
if (streamVariable != null) {
var def = variableStreams.Get(streamVariable);
if (def != null && def.Second) {
measureReferencesMultivar = true;
break;
}
}
}
}
var collectMultimatches = measureReferencesMultivar || defineAsksMultimatches;
// create rowevent type
var rowTypeName = services.EventTypeNameGeneratorStatement.AnonymousRowrecogRowName;
var rowTypeMetadata = new EventTypeMetadata(
rowTypeName,
@base.ModuleName,
EventTypeTypeClass.MATCHRECOGDERIVED,
EventTypeApplicationType.MAP,
NameAccessModifier.TRANSIENT,
EventTypeBusModifier.NONBUS,
false,
EventTypeIdPair.Unassigned());
var rowEventType = BaseNestableEventUtil.MakeMapTypeCompileTime(
rowTypeMetadata,
rowTypeDef,
null,
null,
null,
null,
services.BeanEventTypeFactoryPrivate,
services.EventTypeCompileTimeResolver);
services.EventTypeCompileTimeRegistry.NewType(rowEventType);
// validate partition-by expressions, if any
ExprNode[] partitionBy;
MultiKeyClassRef partitionMultiKey;
if (!matchRecognizeSpec.PartitionByExpressions.IsEmpty()) {
StreamTypeService typeServicePartition = new StreamTypeServiceImpl(
parentEventType,
"MATCH_RECOGNIZE_PARTITION",
true);
IList<ExprNode> validated = new List<ExprNode>();
var validationContext =
new ExprValidationContextBuilder(typeServicePartition, statementRawInfo, services)
.WithAllowBindingConsumption(true)
.Build();
foreach (var partitionExpr in matchRecognizeSpec.PartitionByExpressions) {
validated.Add(
ExprNodeUtilityValidate.GetValidatedSubtree(
ExprNodeOrigin.MATCHRECOGPARTITION,
partitionExpr,
validationContext));
}
matchRecognizeSpec.PartitionByExpressions = validated;
partitionBy = ExprNodeUtilityQuery.ToArray(validated);
MultiKeyPlan multiKeyPlan = MultiKeyPlanner.PlanMultiKey(partitionBy, false, @base.StatementRawInfo, services.SerdeResolver);
partitionMultiKey = multiKeyPlan.ClassRef;
additionalForgeables.AddAll(multiKeyPlan.MultiKeyForgeables);
}
else {
partitionBy = null;
partitionMultiKey = null;
}
// validate interval if present
if (matchRecognizeSpec.Interval != null) {
var validationContext =
new ExprValidationContextBuilder(new StreamTypeServiceImpl(false), statementRawInfo, services)
.WithAllowBindingConsumption(true)
.Build();
var validated = (ExprTimePeriod) ExprNodeUtilityValidate.GetValidatedSubtree(
ExprNodeOrigin.MATCHRECOGINTERVAL,
matchRecognizeSpec.Interval.TimePeriodExpr,
validationContext);
matchRecognizeSpec.Interval.TimePeriodExpr = validated;
}
// compile variable definition expressions
IDictionary<string, ExprNode> variableDefinitions = new Dictionary<string, ExprNode>();
foreach (var defineItem in matchRecognizeSpec.Defines) {
variableDefinitions.Put(defineItem.Identifier, defineItem.Expression);
}
// create evaluators
var columnNames = new string[matchRecognizeSpec.Measures.Count];
var columnForges = new ExprNode[matchRecognizeSpec.Measures.Count];
var count = 0;
foreach (var measureItem in matchRecognizeSpec.Measures) {
columnNames[count] = measureItem.Name;
columnForges[count] = measureItem.Expr;
count++;
}
// build states
var strand = RowRecogHelper.BuildStartStates(
expandedPatternNode,
variableDefinitions,
variableStreams,
isExprRequiresMultimatchState);
var startStates = strand.StartStates.ToArray();
RowRecogNFAStateForge[] allStates = strand.AllStates.ToArray();
if (Log.IsInfoEnabled) {
Log.Info("NFA tree:\n" + RowRecogNFAViewUtil.Print(startStates));
}
// determine names of multimatching variables
string[] multimatchVariablesArray;
int[] multimatchStreamNumToVariable;
int[] multimatchVariableToStreamNum;
if (variablesSingle.Count == variableStreams.Count) {
multimatchVariablesArray = new string[0];
multimatchStreamNumToVariable = new int[0];
multimatchVariableToStreamNum = new int[0];
}
else {
multimatchVariablesArray = new string[variableStreams.Count - variablesSingle.Count];
multimatchVariableToStreamNum = new int[multimatchVariablesArray.Length];
multimatchStreamNumToVariable = new int[variableStreams.Count];
CompatExtensions.Fill(multimatchStreamNumToVariable, -1);
count = 0;
foreach (var entry in variableStreams) {
if (entry.Value.Second) {
var index = count;
multimatchVariablesArray[index] = entry.Key;
multimatchVariableToStreamNum[index] = entry.Value.First;
multimatchStreamNumToVariable[entry.Value.First] = index;
count++;
}
}
}
var numEventsEventsPerStreamDefine =
defineAsksMultimatches ? variableStreams.Count + 1 : variableStreams.Count;
// determine interval-or-terminated
var orTerminated = matchRecognizeSpec.Interval != null && matchRecognizeSpec.Interval.IsOrTerminated;
TimePeriodComputeForge intervalCompute = null;
if (matchRecognizeSpec.Interval != null) {
intervalCompute = matchRecognizeSpec.Interval.TimePeriodExpr.TimePeriodComputeForge;
}
EventType multimatchEventType = null;
if (defineAsksMultimatches) {
multimatchEventType = GetDefineMultimatchEventType(variableStreams, parentEventType, @base, services);
}
// determine previous-access indexes and assign "prev" node indexes
// Since an expression such as "prior(2, price), prior(8, price)" translates into {2, 8} the relative index is {0, 1}.
// Map the expression-supplied index to a relative index
int[] previousRandomAccessIndexes = null;
if (!previousNodes.IsEmpty()) {
previousRandomAccessIndexes = new int[previousNodes.Count];
var countPrev = 0;
foreach (var entry in previousNodes) {
previousRandomAccessIndexes[countPrev] = entry.Key;
foreach (var callback in entry.Value) {
callback.AssignedIndex = countPrev;
}
countPrev++;
}
}
RowRecogDescForge forge = new RowRecogDescForge(
parentEventType,
rowEventType,
compositeEventType,
multimatchEventType,
multimatchStreamNumToVariable,
multimatchVariableToStreamNum,
partitionBy,
partitionMultiKey,
variableStreams,
matchRecognizeSpec.Interval != null,
iterateOnly,
unbound,
orTerminated,
collectMultimatches,
defineAsksMultimatches,
numEventsEventsPerStreamDefine,
multimatchVariablesArray,
startStates,
allStates,
matchRecognizeSpec.IsAllMatches,
matchRecognizeSpec.Skip.Skip,
columnForges,
columnNames,
intervalCompute,
previousRandomAccessIndexes,
aggregationServices);
return new RowRecogPlan(forge, additionalForgeables);
}
private IList<StmtClassForgeableFactory> ValidateContextDetail(
ContextSpec contextSpec,
int nestingLevel,
CreateContextValidationEnv validationEnv)
{
ISet<string> eventTypesReferenced = new HashSet<string>();
IList<StmtClassForgeableFactory> additionalForgeables = new List<StmtClassForgeableFactory>();
if (contextSpec is ContextSpecKeyed) {
var segmented = (ContextSpecKeyed) contextSpec;
IDictionary<string, EventType> asNames = new Dictionary<string, EventType>();
var partitionHasNameAssignment = false;
Type[] getterTypes = null;
foreach (var partition in segmented.Items) {
Pair<FilterSpecCompiled, IList<StmtClassForgeableFactory>> pair = CompilePartitionedFilterSpec(
partition.FilterSpecRaw, eventTypesReferenced, validationEnv);
FilterSpecCompiled filterSpecCompiled = pair.First;
additionalForgeables.AddAll(pair.Second);
partition.FilterSpecCompiled = filterSpecCompiled;
var getters = new EventPropertyGetterSPI[partition.PropertyNames.Count];
var serdes = new DataInputOutputSerdeForge[partition.PropertyNames.Count];
var eventType = (EventTypeSPI) filterSpecCompiled.FilterForEventType;
getterTypes = new Type[partition.PropertyNames.Count];
for (var i = 0; i < partition.PropertyNames.Count; i++) {
var propertyName = partition.PropertyNames[i];
var getter = eventType.GetGetterSPI(propertyName);
if (getter == null) {
throw new ExprValidationException(
"For context '" + validationEnv.ContextName + "' property name '" + propertyName + "' not found on type " + eventType.Name);
}
getters[i] = getter;
getterTypes[i] = eventType.GetPropertyType(propertyName);
serdes[i] = validationEnv.Services.SerdeResolver.SerdeForFilter(
getterTypes[i], validationEnv.StatementRawInfo);
}
partition.Getters = getters;
partition.LookupableSerdes = serdes;
if (partition.AliasName != null) {
partitionHasNameAssignment = true;
ValidateAsName(asNames, partition.AliasName, filterSpecCompiled.FilterForEventType);
}
}
// plan multi-key, make sure we use the same multikey for all items
MultiKeyPlan multiKeyPlan = MultiKeyPlanner.PlanMultiKey(
getterTypes, false, @base.StatementRawInfo, validationEnv.Services.SerdeResolver);
additionalForgeables.AddAll(multiKeyPlan.MultiKeyForgeables);
foreach (ContextSpecKeyedItem partition in segmented.Items) {
partition.KeyMultiKey = multiKeyPlan.ClassRef;
}
segmented.MultiKeyClassRef = multiKeyPlan.ClassRef;
if (segmented.OptionalInit != null) {
asNames.Clear();
foreach (var initCondition in segmented.OptionalInit) {
ContextDetailMatchPair pair = ValidateRewriteContextCondition(
true,
nestingLevel,
initCondition,
eventTypesReferenced,
new MatchEventSpec(),
new EmptySet<string>(),
validationEnv);
additionalForgeables.AddAll(pair.AdditionalForgeables);
var filterForType = initCondition.FilterSpecCompiled.FilterForEventType;
var found = false;
foreach (var partition in segmented.Items) {
if (partition.FilterSpecCompiled.FilterForEventType == filterForType) {
found = true;
break;
}
}
if (!found) {
throw new ExprValidationException(
"Segmented context '" +
validationEnv.ContextName +
"' requires that all of the event types that are listed in the initialized-by also appear in the partition-by, type '" +
filterForType.Name +
"' is not one of the types listed in partition-by");
}
if (initCondition.OptionalFilterAsName != null) {
if (partitionHasNameAssignment) {
throw new ExprValidationException(
"Segmented context '" +
validationEnv.ContextName +
"' requires that either partition-by or initialized-by assign stream names, but not both");
}
ValidateAsName(asNames, initCondition.OptionalFilterAsName, filterForType);
}
}
}
if (segmented.OptionalTermination != null) {
var matchEventSpec = new MatchEventSpec();
var allTags = new LinkedHashSet<string>();
foreach (var partition in segmented.Items) {
if (partition.AliasName != null) {
allTags.Add(partition.AliasName);
var eventType = partition.FilterSpecCompiled.FilterForEventType;
matchEventSpec.TaggedEventTypes[partition.AliasName] = new Pair<EventType,string>(
eventType, partition.FilterSpecRaw.EventTypeName);
var serdeForgeables = SerdeEventTypeUtility.Plan(
eventType,
validationEnv.StatementRawInfo,
validationEnv.Services.SerdeEventTypeRegistry,
validationEnv.Services.SerdeResolver);
additionalForgeables.AddAll(serdeForgeables);
}
}
if (segmented.OptionalInit != null) {
foreach (var initCondition in segmented.OptionalInit) {
if (initCondition.OptionalFilterAsName != null) {
allTags.Add(initCondition.OptionalFilterAsName);
matchEventSpec.TaggedEventTypes.Put(
initCondition.OptionalFilterAsName,
new Pair<EventType, string>(
initCondition.FilterSpecCompiled.FilterForEventType,
initCondition.FilterSpecRaw.EventTypeName));
}
}
}
var endCondition = ValidateRewriteContextCondition(
false,
nestingLevel,
segmented.OptionalTermination,
eventTypesReferenced,
matchEventSpec,
allTags,
validationEnv);
additionalForgeables.AddAll(endCondition.AdditionalForgeables);
segmented.OptionalTermination = endCondition.Condition;
}
}
else if (contextSpec is ContextSpecCategory) {
// compile filter
var category = (ContextSpecCategory) contextSpec;
ValidateNotTable(category.FilterSpecRaw.EventTypeName, validationEnv.Services);
var raw = new FilterStreamSpecRaw(
category.FilterSpecRaw,
ViewSpec.EMPTY_VIEWSPEC_ARRAY,
null,
StreamSpecOptions.DEFAULT);
var compiledDesc = StreamSpecCompiler.CompileFilter(
raw,
false,
false,
true,
false,
null,
validationEnv.StatementRawInfo,
validationEnv.Services);
var result = (FilterStreamSpecCompiled) compiledDesc.StreamSpecCompiled;
additionalForgeables.AddAll(compiledDesc.AdditionalForgeables);
category.FilterSpecCompiled = result.FilterSpecCompiled;
validationEnv.FilterSpecCompileds.Add(result.FilterSpecCompiled);
// compile expressions
foreach (var item in category.Items) {
ValidateNotTable(category.FilterSpecRaw.EventTypeName, validationEnv.Services);
var filterSpecRaw = new FilterSpecRaw(
category.FilterSpecRaw.EventTypeName,
Collections.SingletonList(item.Expression),
null);
var rawExpr = new FilterStreamSpecRaw(
filterSpecRaw,
ViewSpec.EMPTY_VIEWSPEC_ARRAY,
null,
StreamSpecOptions.DEFAULT);
var compiledDescItems = StreamSpecCompiler.CompileFilter(
rawExpr,
false,
false,
true,
false,
null,
validationEnv.StatementRawInfo,
validationEnv.Services);
var compiled = (FilterStreamSpecCompiled) compiledDescItems.StreamSpecCompiled;
additionalForgeables.AddAll(compiledDescItems.AdditionalForgeables);
compiled.FilterSpecCompiled.TraverseFilterBooleanExpr(
node => validationEnv.FilterBooleanExpressions.Add(node));
item.FilterPlan = compiled.FilterSpecCompiled.Parameters;
}
}
else if (contextSpec is ContextSpecHash) {
var hashed = (ContextSpecHash) contextSpec;
foreach (var hashItem in hashed.Items) {
var raw = new FilterStreamSpecRaw(
hashItem.FilterSpecRaw,
ViewSpec.EMPTY_VIEWSPEC_ARRAY,
null,
StreamSpecOptions.DEFAULT);
ValidateNotTable(hashItem.FilterSpecRaw.EventTypeName, validationEnv.Services);
var compiledDesc = StreamSpecCompiler.Compile(
raw,
eventTypesReferenced,
false,
false,
true,
false,
null,
0,
validationEnv.StatementRawInfo,
validationEnv.Services);
additionalForgeables.AddAll(compiledDesc.AdditionalForgeables);
var result = (FilterStreamSpecCompiled) compiledDesc.StreamSpecCompiled;
validationEnv.FilterSpecCompileds.Add(result.FilterSpecCompiled);
hashItem.FilterSpecCompiled = result.FilterSpecCompiled;
// validate parameters
var streamTypes = new StreamTypeServiceImpl(
result.FilterSpecCompiled.FilterForEventType,
null,
true);
var validationContext =
new ExprValidationContextBuilder(
streamTypes,
validationEnv.StatementRawInfo,
validationEnv.Services)
.WithIsFilterExpression(true)
.Build();
ExprNodeUtilityValidate.Validate(
ExprNodeOrigin.CONTEXT,
Collections.SingletonList(hashItem.Function),
validationContext);
}
}
else if (contextSpec is ContextSpecInitiatedTerminated) {
var def = (ContextSpecInitiatedTerminated) contextSpec;
var startCondition = ValidateRewriteContextCondition(
true,
nestingLevel,
def.StartCondition,
eventTypesReferenced,
new MatchEventSpec(),
new LinkedHashSet<string>(),
validationEnv);
additionalForgeables.AddAll(startCondition.AdditionalForgeables);
var endCondition = ValidateRewriteContextCondition(
false,
nestingLevel,
def.EndCondition,
eventTypesReferenced,
startCondition.Matches,
startCondition.AllTags,
validationEnv);
additionalForgeables.AddAll(endCondition.AdditionalForgeables);
def.StartCondition = startCondition.Condition;
def.EndCondition = endCondition.Condition;
if (def.DistinctExpressions != null) {
if (!(startCondition.Condition is ContextSpecConditionFilter)) {
throw new ExprValidationException(
"Distinct-expressions require a stream as the initiated-by condition");
}
var distinctExpressions = def.DistinctExpressions;
if (distinctExpressions.Length == 0) {
throw new ExprValidationException("Distinct-expressions have not been provided");
}
var filter = (ContextSpecConditionFilter) startCondition.Condition;
if (filter.OptionalFilterAsName == null) {
throw new ExprValidationException(
"Distinct-expressions require that a stream name is assigned to the stream using 'as'");
}
var types = new StreamTypeServiceImpl(
filter.FilterSpecCompiled.FilterForEventType,
filter.OptionalFilterAsName,
true);
var validationContext =
new ExprValidationContextBuilder(types, validationEnv.StatementRawInfo, validationEnv.Services)
.WithAllowBindingConsumption(true)
.Build();
for (var i = 0; i < distinctExpressions.Length; i++) {
ExprNodeUtilityValidate.ValidatePlainExpression(
ExprNodeOrigin.CONTEXTDISTINCT,
distinctExpressions[i]);
distinctExpressions[i] = ExprNodeUtilityValidate.GetValidatedSubtree(
ExprNodeOrigin.CONTEXTDISTINCT,
distinctExpressions[i],
validationContext);
}
var multiKeyPlan = MultiKeyPlanner.PlanMultiKey(
distinctExpressions,
false,
@base.StatementRawInfo,
validationEnv.Services.SerdeResolver);
def.DistinctMultiKey = multiKeyPlan.ClassRef;
additionalForgeables.AddAll(multiKeyPlan.MultiKeyForgeables);
}
}
else if (contextSpec is ContextNested) {
var nested = (ContextNested) contextSpec;
var level = 0;
ISet<string> namesUsed = new HashSet<string>();
namesUsed.Add(validationEnv.ContextName);
foreach (var nestedContext in nested.Contexts) {
if (namesUsed.Contains(nestedContext.ContextName)) {
throw new ExprValidationException(
"Context by name '" +
nestedContext.ContextName +
"' has already been declared within nested context '" +
validationEnv.ContextName +
"'");
}
namesUsed.Add(nestedContext.ContextName);
var forgeables = ValidateContextDetail(nestedContext.ContextDetail, level, validationEnv);
additionalForgeables.AddAll(forgeables);
level++;
}
}
else {
throw new IllegalStateException("Unrecognized context detail " + contextSpec);
}
return additionalForgeables;
}
// Obtain those method and state factories for each level
private static AggregationGroupByLocalGroupLevelDesc GetLevel(
int levelNumber,
AggregationGroupByLocalGroupLevel level,
ExprForge[][] methodForgesAll,
AggregationForgeFactory[] methodFactoriesAll,
AggregationStateFactoryForge[] accessForges,
AggregationLocalGroupByColumnForge[] columns,
bool defaultLevel,
AggregationAccessorSlotPairForge[] accessors,
ExprNode[] groupByExpressions,
MultiKeyClassRef optionalGroupByMultiKey,
StatementRawInfo raw,
SerdeCompileTimeResolver serdeResolver)
{
var partitionExpr = level.PartitionExpr;
MultiKeyPlan multiKeyPlan;
if (defaultLevel && optionalGroupByMultiKey != null) { // use default multi-key that is already generated
multiKeyPlan = new MultiKeyPlan(EmptyList<StmtClassForgeableFactory>.Instance, optionalGroupByMultiKey);
partitionExpr = groupByExpressions;
} else {
multiKeyPlan = MultiKeyPlanner.PlanMultiKey(partitionExpr, false, raw, serdeResolver);
}
IList<ExprForge[]> methodForges = new List<ExprForge[]>();
IList<AggregationForgeFactory> methodFactories = new List<AggregationForgeFactory>();
IList<AggregationStateFactoryForge> stateFactories = new List<AggregationStateFactoryForge>();
foreach (var expr in level.Expressions) {
int column = expr.AggregationNode.Column;
var methodOffset = -1;
var methodAgg = true;
AggregationAccessorSlotPairForge pair = null;
if (column < methodForgesAll.Length) {
methodForges.Add(methodForgesAll[column]);
methodFactories.Add(methodFactoriesAll[column]);
methodOffset = methodFactories.Count - 1;
}
else {
// slot gives us the number of the state factory
int absoluteSlot = accessors[column - methodForgesAll.Length].Slot;
AggregationAccessorForge accessor = accessors[column - methodForgesAll.Length].AccessorForge;
var factory = accessForges[absoluteSlot];
var relativeSlot = stateFactories.IndexOf(factory);
if (relativeSlot == -1) {
stateFactories.Add(factory);
relativeSlot = stateFactories.Count - 1;
}
methodAgg = false;
pair = new AggregationAccessorSlotPairForge(relativeSlot, accessor);
}
columns[column] = new AggregationLocalGroupByColumnForge(
defaultLevel,
partitionExpr,
methodOffset,
methodAgg,
pair,
levelNumber);
}
var forge = new AggregationLocalGroupByLevelForge(
methodForges.ToArray(),
methodFactories.ToArray(),
stateFactories.ToArray(),
partitionExpr,
multiKeyPlan.ClassRef,
defaultLevel);
// NOTE: The original code tests for multiKeyPlan being null, but if it was null it would have caused
// a null pointer exception on the previous statement since it dereferences ClassRef.
var additionalForgeables = multiKeyPlan?.MultiKeyForgeables ?? EmptyList<StmtClassForgeableFactory>.Instance;
return new AggregationGroupByLocalGroupLevelDesc(forge, additionalForgeables);
}
/// <summary>
/// Create the table lookup plan for a from-stream to look up in an indexed stream
/// using the columns supplied in the query graph and looking at the actual indexes available
/// and their index number.
/// </summary>
/// <param name="queryGraph">contains properties joining the 2 streams</param>
/// <param name="currentLookupStream">stream to use key values from</param>
/// <param name="indexedStream">stream to look up in</param>
/// <param name="indexSpecs">index specification defining indexes to be created for stream</param>
/// <param name="typesPerStream">event types for each stream</param>
/// <param name="indexedStreamTableMeta">table info</param>
/// <param name="indexedStreamIsVDW">vdw indicators</param>
/// <param name="raw">raw statement information</param>
/// <param name="serdeResolver">serde resolver</param>
/// <returns>plan for performing a lookup in a given table using one of the indexes supplied</returns>
public static TableLookupPlanDesc CreateLookupPlan(
QueryGraphForge queryGraph,
int currentLookupStream,
int indexedStream,
bool indexedStreamIsVDW,
QueryPlanIndexForge indexSpecs,
EventType[] typesPerStream,
TableMetaData indexedStreamTableMeta,
StatementRawInfo raw,
SerdeCompileTimeResolver serdeResolver)
{
var queryGraphValue = queryGraph.GetGraphValue(currentLookupStream, indexedStream);
var hashKeyProps = queryGraphValue.HashKeyProps;
var hashPropsKeys = hashKeyProps.Keys;
var hashIndexProps = hashKeyProps.Indexed;
var rangeProps = queryGraphValue.RangeProps;
var rangePropsKeys = rangeProps.Keys;
var rangeIndexProps = rangeProps.Indexed;
var pairIndexHashRewrite =
indexSpecs.GetIndexNum(hashIndexProps, rangeIndexProps);
var indexNum = pairIndexHashRewrite == null ? null : pairIndexHashRewrite.First;
// handle index redirection towards unique index
if (pairIndexHashRewrite != null && pairIndexHashRewrite.Second != null) {
var indexes = pairIndexHashRewrite.Second;
var newHashIndexProps = new string[indexes.Length];
IList<QueryGraphValueEntryHashKeyedForge> newHashKeys = new List<QueryGraphValueEntryHashKeyedForge>();
for (var i = 0; i < indexes.Length; i++) {
newHashIndexProps[i] = hashIndexProps[indexes[i]];
newHashKeys.Add(hashPropsKeys[indexes[i]]);
}
hashIndexProps = newHashIndexProps;
hashPropsKeys = newHashKeys;
rangeIndexProps = new string[0];
rangePropsKeys = Collections.GetEmptyList<QueryGraphValueEntryRangeForge>();
}
// no direct hash or range lookups
if (hashIndexProps.Length == 0 && rangeIndexProps.Length == 0) {
// handle single-direction 'in' keyword
var singles = queryGraphValue.InKeywordSingles;
if (!singles.Key.IsEmpty()) {
QueryGraphValueEntryInKeywordSingleIdxForge single = null;
indexNum = null;
if (indexedStreamTableMeta != null) {
var indexes = singles.Indexed;
var count = 0;
foreach (var index in indexes) {
var indexPairFound =
EventTableIndexUtil.FindIndexBestAvailable(
indexedStreamTableMeta.IndexMetadata.Indexes,
Collections.SingletonSet(index),
Collections.GetEmptySet<string>(),
null);
if (indexPairFound != null) {
indexNum = new TableLookupIndexReqKey(
indexPairFound.Second.OptionalIndexName,
indexPairFound.Second.OptionalIndexModuleName,
indexedStreamTableMeta.TableName);
single = singles.Key[count];
}
count++;
}
}
else {
single = singles.Key[0];
var pairIndex = indexSpecs.GetIndexNum(
new[] {singles.Indexed[0]},
new string[0]);
indexNum = pairIndex.First;
}
if (indexNum != null) {
var forge = new InKeywordTableLookupPlanSingleIdxForge(
currentLookupStream,
indexedStream,
indexedStreamIsVDW,
typesPerStream,
indexNum,
single.KeyExprs);
return new TableLookupPlanDesc(forge, EmptyList<StmtClassForgeableFactory>.Instance);
}
}
// handle multi-direction 'in' keyword
var multis = queryGraphValue.InKeywordMulti;
if (!multis.IsEmpty()) {
if (indexedStreamTableMeta != null) {
return GetFullTableScanTable(
currentLookupStream,
indexedStream,
indexedStreamIsVDW,
typesPerStream,
indexedStreamTableMeta);
}
var multi = multis[0];
var indexNameArray = new TableLookupIndexReqKey[multi.Indexed.Length];
var foundAll = true;
for (var i = 0; i < multi.Indexed.Length; i++) {
var identNode = (ExprIdentNode) multi.Indexed[i];
var pairIndex = indexSpecs.GetIndexNum(
new[] {identNode.ResolvedPropertyName},
new string[0]);
if (pairIndex == null) {
foundAll = false;
}
else {
indexNameArray[i] = pairIndex.First;
}
}
if (foundAll) {
var forge = new InKeywordTableLookupPlanMultiIdxForge(
currentLookupStream,
indexedStream,
indexedStreamIsVDW,
typesPerStream,
indexNameArray,
multi.Key.KeyExpr);
return new TableLookupPlanDesc(forge, EmptyList<StmtClassForgeableFactory>.Instance);
}
}
// We don't use a keyed index but use the full stream set as the stream does not have any indexes
// If no such full set index exists yet, add to specs
if (indexedStreamTableMeta != null) {
return GetFullTableScanTable(
currentLookupStream,
indexedStream,
indexedStreamIsVDW,
typesPerStream,
indexedStreamTableMeta);
}
if (indexNum == null) {
indexNum = new TableLookupIndexReqKey(
indexSpecs.AddIndex(new string[0], new Type[0], typesPerStream[indexedStream]),
null);
}
var forgeX = new FullTableScanLookupPlanForge(currentLookupStream, indexedStream, indexedStreamIsVDW, typesPerStream, indexNum);
return new TableLookupPlanDesc(forgeX, EmptyList<StmtClassForgeableFactory>.Instance);
}
if (indexNum == null) {
throw new IllegalStateException(
"Failed to query plan as index for " +
hashIndexProps.RenderAny() +
" and " +
rangeIndexProps.RenderAny() +
" in the index specification");
}
if (indexedStreamTableMeta != null) {
var indexPairFound =
EventTableIndexUtil.FindIndexBestAvailable(
indexedStreamTableMeta.IndexMetadata.Indexes,
ToSet(hashIndexProps),
ToSet(rangeIndexProps),
null);
if (indexPairFound != null) {
var indexKeyInfo = SubordinateQueryPlannerUtil.CompileIndexKeyInfo(
indexPairFound.First,
hashIndexProps,
GetHashKeyFuncsAsSubProp(hashPropsKeys),
rangeIndexProps,
GetRangeFuncsAsSubProp(rangePropsKeys));
if (indexKeyInfo.OrderedKeyCoercionTypes.IsCoerce ||
indexKeyInfo.OrderedRangeCoercionTypes.IsCoerce) {
return GetFullTableScanTable(
currentLookupStream,
indexedStream,
indexedStreamIsVDW,
typesPerStream,
indexedStreamTableMeta);
}
hashPropsKeys = ToHashKeyFuncs(indexKeyInfo.OrderedHashDesc);
hashIndexProps = IndexedPropDesc.GetIndexProperties(indexPairFound.First.HashIndexedProps);
rangePropsKeys = ToRangeKeyFuncs(indexKeyInfo.OrderedRangeDesc);
rangeIndexProps = IndexedPropDesc.GetIndexProperties(indexPairFound.First.RangeIndexedProps);
indexNum = new TableLookupIndexReqKey(
indexPairFound.Second.OptionalIndexName,
indexPairFound.Second.OptionalIndexModuleName,
indexedStreamTableMeta.TableName);
// the plan will be created below
if (hashIndexProps.Length == 0 && rangeIndexProps.Length == 0) {
return GetFullTableScanTable(
currentLookupStream,
indexedStream,
indexedStreamIsVDW,
typesPerStream,
indexedStreamTableMeta);
}
}
else {
return GetFullTableScanTable(
currentLookupStream,
indexedStream,
indexedStreamIsVDW,
typesPerStream,
indexedStreamTableMeta);
}
}
// straight keyed-index lookup
if (hashIndexProps.Length > 0 && rangeIndexProps.Length == 0) {
// Determine coercion required
var coercionTypes = CoercionUtil.GetCoercionTypesHash(
typesPerStream,
currentLookupStream,
indexedStream,
hashPropsKeys,
hashIndexProps);
if (coercionTypes.IsCoerce) {
// check if there already are coercion types for this index
var existCoercionTypes = indexSpecs.GetCoercionTypes(hashIndexProps);
if (existCoercionTypes != null) {
for (var i = 0; i < existCoercionTypes.Length; i++) {
coercionTypes.CoercionTypes[i] = existCoercionTypes[i]
.GetCompareToCoercionType(coercionTypes.CoercionTypes[i]);
}
}
if (!indexSpecs.Items.IsEmpty()) {
indexSpecs.SetCoercionTypes(hashIndexProps, coercionTypes.CoercionTypes);
}
}
var coercionTypesArray = coercionTypes.CoercionTypes;
MultiKeyClassRef tableLookupMultiKey = null;
IList<StmtClassForgeableFactory> additionalForgeables = EmptyList<StmtClassForgeableFactory>.Instance;
if (indexNum.TableName != null) {
var tableMultiKeyPlan = MultiKeyPlanner.PlanMultiKey(coercionTypesArray, true, raw, serdeResolver);
tableLookupMultiKey = tableMultiKeyPlan.ClassRef;
additionalForgeables = tableMultiKeyPlan.MultiKeyForgeables;
}
var forge = new IndexedTableLookupPlanHashedOnlyForge(
currentLookupStream,
indexedStream,
indexedStreamIsVDW,
typesPerStream,
indexNum,
hashPropsKeys.ToArray(),
indexSpecs,
coercionTypesArray,
tableLookupMultiKey);
return new TableLookupPlanDesc(forge, additionalForgeables);
}
// sorted index lookup
var coercionTypesRange = CoercionUtil.GetCoercionTypesRange(
typesPerStream,
indexedStream,
rangeIndexProps,
rangePropsKeys);
var coercionTypesHash = CoercionUtil.GetCoercionTypesHash(
typesPerStream,
currentLookupStream,
indexedStream,
hashPropsKeys,
hashIndexProps);
if (hashIndexProps.Length == 0 && rangeIndexProps.Length == 1) {
var range = rangePropsKeys[0];
Type coercionType = null;
if (coercionTypesRange.IsCoerce) {
coercionType = coercionTypesRange.CoercionTypes[0];
}
SortedTableLookupPlanForge forge = new SortedTableLookupPlanForge(
currentLookupStream,
indexedStream,
indexedStreamIsVDW,
typesPerStream,
indexNum,
range,
coercionType);
return new TableLookupPlanDesc(forge, EmptyList<StmtClassForgeableFactory>.Instance);
}
else {
MultiKeyClassRef tableLookupMultiKey = null;
IList<StmtClassForgeableFactory> additionalForgeables = EmptyList<StmtClassForgeableFactory>.Instance;
if (indexNum.TableName != null) {
MultiKeyPlan tableMultiKeyPlan = MultiKeyPlanner.PlanMultiKey(coercionTypesHash.CoercionTypes, true, raw, serdeResolver);
tableLookupMultiKey = tableMultiKeyPlan.ClassRef;
additionalForgeables = tableMultiKeyPlan.MultiKeyForgeables;
}
// composite range and index lookup
CompositeTableLookupPlanForge forge = new CompositeTableLookupPlanForge(
currentLookupStream,
indexedStream,
indexedStreamIsVDW,
typesPerStream,
indexNum,
hashPropsKeys,
coercionTypesHash.CoercionTypes,
rangePropsKeys,
coercionTypesRange.CoercionTypes,
indexSpecs,
tableLookupMultiKey);
return new TableLookupPlanDesc(forge, additionalForgeables);
}
}
public static OutputProcessViewFactoryForgeDesc Make(
EventType[] typesPerStream,
EventType resultEventType,
ResultSetProcessorType resultSetProcessorType,
StatementSpecCompiled statementSpec,
StatementRawInfo statementRawInfo,
StatementCompileTimeServices services)
{
InsertIntoDesc insertIntoDesc = statementSpec.Raw.InsertIntoDesc;
SelectClauseStreamSelectorEnum selectStreamSelector = statementSpec.Raw.SelectStreamSelectorEnum;
OutputLimitSpec outputLimitSpec = statementSpec.Raw.OutputLimitSpec;
int streamCount = statementSpec.StreamSpecs.Length;
bool isDistinct = statementSpec.Raw.SelectClauseSpec.IsDistinct;
bool isGrouped = statementSpec.GroupByExpressions != null &&
statementSpec.GroupByExpressions.GroupByNodes.Length > 0;
List<StmtClassForgeableFactory> additionalForgeables = new List<StmtClassForgeableFactory>();
// determine routing
bool isRouted = false;
bool routeToFront = false;
if (insertIntoDesc != null) {
isRouted = true;
routeToFront = services.NamedWindowCompileTimeResolver.Resolve(insertIntoDesc.EventTypeName) != null;
}
OutputStrategyPostProcessForge outputStrategyPostProcessForge = null;
if ((insertIntoDesc != null) || (selectStreamSelector == SelectClauseStreamSelectorEnum.RSTREAM_ONLY)) {
SelectClauseStreamSelectorEnum? insertIntoStreamSelector = null;
TableMetaData table = null;
if (insertIntoDesc != null) {
insertIntoStreamSelector = insertIntoDesc.StreamSelector;
table = services.TableCompileTimeResolver.Resolve(statementSpec.Raw.InsertIntoDesc.EventTypeName);
if (table != null) {
EPLValidationUtil.ValidateContextName(
true,
table.TableName,
table.OptionalContextName,
statementSpec.Raw.OptionalContextName,
true);
}
}
bool audit = AuditEnum.INSERT.GetAudit(statementSpec.Annotations) != null;
outputStrategyPostProcessForge = new OutputStrategyPostProcessForge(
isRouted,
insertIntoStreamSelector,
selectStreamSelector,
routeToFront,
table,
audit);
}
MultiKeyPlan multiKeyPlan = MultiKeyPlanner.PlanMultiKeyDistinct(
isDistinct,
resultEventType,
statementRawInfo,
SerdeCompileTimeResolverNonHA.INSTANCE);
MultiKeyClassRef distinctMultiKey = multiKeyPlan.ClassRef;
additionalForgeables.AddRange(multiKeyPlan.MultiKeyForgeables);
OutputProcessViewFactoryForge outputProcessViewFactoryForge;
if (outputLimitSpec == null) {
if (!isDistinct) {
if (outputStrategyPostProcessForge == null || !outputStrategyPostProcessForge.HasTable) {
// without table we have a shortcut implementation
outputProcessViewFactoryForge =
new OutputProcessViewDirectSimpleForge(outputStrategyPostProcessForge);
}
else {
outputProcessViewFactoryForge =
new OutputProcessViewDirectForge(outputStrategyPostProcessForge);
}
}
else {
outputProcessViewFactoryForge = new OutputProcessViewDirectDistinctOrAfterFactoryForge(
outputStrategyPostProcessForge,
isDistinct,
distinctMultiKey,
null,
null,
resultEventType);
}
}
else if (outputLimitSpec.RateType == OutputLimitRateType.AFTER) {
outputProcessViewFactoryForge = new OutputProcessViewDirectDistinctOrAfterFactoryForge(
outputStrategyPostProcessForge,
isDistinct,
distinctMultiKey,
outputLimitSpec.AfterTimePeriodExpr,
outputLimitSpec.AfterNumberOfEvents,
resultEventType);
}
else {
try {
bool isWithHavingClause = statementSpec.Raw.HavingClause != null;
bool isStartConditionOnCreation = HasOnlyTables(statementSpec.StreamSpecs);
OutputConditionFactoryForge outputConditionFactoryForge =
OutputConditionFactoryFactory.CreateCondition(
outputLimitSpec,
isGrouped,
isWithHavingClause,
isStartConditionOnCreation,
statementRawInfo,
services);
bool hasOrderBy = statementSpec.Raw.OrderByList != null && statementSpec.Raw.OrderByList.Count > 0;
bool hasAfter = outputLimitSpec.AfterNumberOfEvents != null ||
outputLimitSpec.AfterTimePeriodExpr != null;
// hint checking with order-by
bool hasOptHint = ResultSetProcessorOutputConditionTypeExtensions
.GetOutputLimitOpt(statementSpec.Annotations, services.Configuration, hasOrderBy);
ResultSetProcessorOutputConditionType conditionType =
ResultSetProcessorOutputConditionTypeExtensions
.GetConditionType(
outputLimitSpec.DisplayLimit,
resultSetProcessorType.IsAggregated(),
hasOrderBy,
hasOptHint,
resultSetProcessorType.IsGrouped());
// plan serdes
foreach (EventType eventType in typesPerStream) {
IList<StmtClassForgeableFactory> serdeForgeables = SerdeEventTypeUtility.Plan(
eventType,
statementRawInfo,
services.SerdeEventTypeRegistry,
services.SerdeResolver);
additionalForgeables.AddRange(serdeForgeables);
}
bool terminable = outputLimitSpec.RateType == OutputLimitRateType.TERM ||
outputLimitSpec.IsAndAfterTerminate;
outputProcessViewFactoryForge = new OutputProcessViewConditionForge(
outputStrategyPostProcessForge,
isDistinct,
distinctMultiKey,
outputLimitSpec.AfterTimePeriodExpr,
outputLimitSpec.AfterNumberOfEvents,
outputConditionFactoryForge,
streamCount,
conditionType,
terminable,
hasAfter,
resultSetProcessorType.IsUnaggregatedUngrouped(),
selectStreamSelector,
typesPerStream,
resultEventType);
}
catch (Exception ex) {
throw new ExprValidationException("Failed to validate the output rate limiting clause: " + ex.Message, ex);
}
}
return new OutputProcessViewFactoryForgeDesc(outputProcessViewFactoryForge, additionalForgeables);
}
public SubSelectStrategyFactoryIndexShareForge(
int subqueryNumber,
SubSelectActivationPlan subselectActivation,
EventType[] outerEventTypesSelect,
NamedWindowMetaData namedWindow,
TableMetaData table,
bool fullTableScan,
IndexHint indexHint,
SubordPropPlan joinedPropPlan,
ExprForge filterExprEval,
ExprNode[] groupKeys,
AggregationServiceForgeDesc aggregationServiceForgeDesc,
StatementBaseInfo statement,
StatementCompileTimeServices services)
{
_subqueryNumber = subqueryNumber;
_namedWindow = namedWindow;
_table = table;
_filterExprEval = filterExprEval;
_groupKeys = groupKeys;
_aggregationServiceForgeDesc = aggregationServiceForgeDesc;
bool queryPlanLogging = services.Configuration.Common.Logging.IsEnableQueryPlan;
// We only use existing indexes in all cases. This means "create index" is required.
SubordinateQueryPlan plan;
if (table != null)
{
plan = SubordinateQueryPlanner.PlanSubquery(
outerEventTypesSelect,
joinedPropPlan,
false,
fullTableScan,
indexHint,
true,
subqueryNumber,
false,
table.IndexMetadata,
table.UniquenessAsSet,
true,
table.InternalEventType,
statement.StatementRawInfo,
services);
}
else
{
plan = SubordinateQueryPlanner.PlanSubquery(
outerEventTypesSelect,
joinedPropPlan,
false,
fullTableScan,
indexHint,
true,
subqueryNumber,
namedWindow.IsVirtualDataWindow,
namedWindow.IndexMetadata,
namedWindow.UniquenessAsSet,
true,
namedWindow.EventType,
statement.StatementRawInfo,
services);
}
_queryPlan = plan == null ? null : plan.Forge;
if (plan != null)
{
_additionalForgeables.AddAll(plan.AdditionalForgeables);
}
if (_queryPlan != null && _queryPlan.IndexDescs != null)
{
for (int i = 0; i < _queryPlan.IndexDescs.Length; i++)
{
SubordinateQueryIndexDescForge index = _queryPlan.IndexDescs[i];
if (table != null)
{
if (table.TableVisibility == NameAccessModifier.PUBLIC)
{
services.ModuleDependenciesCompileTime.AddPathIndex(
false,
table.TableName,
table.TableModuleName,
index.IndexName,
index.IndexModuleName,
services.NamedWindowCompileTimeRegistry,
services.TableCompileTimeRegistry);
}
}
else
{
if (namedWindow.EventType.Metadata.AccessModifier == NameAccessModifier.PUBLIC)
{
services.ModuleDependenciesCompileTime.AddPathIndex(
true,
namedWindow.EventType.Name,
namedWindow.NamedWindowModuleName,
index.IndexName,
index.IndexModuleName,
services.NamedWindowCompileTimeRegistry,
services.TableCompileTimeRegistry);
}
}
}
}
SubordinateQueryPlannerUtil.QueryPlanLogOnSubq(
queryPlanLogging,
QUERY_PLAN_LOG,
_queryPlan,
subqueryNumber,
statement.StatementRawInfo.Annotations,
services.ImportServiceCompileTime);
if (groupKeys == null || groupKeys.Length == 0)
{
_groupByMultiKey = null;
}
else
{
MultiKeyPlan mkplan = MultiKeyPlanner.PlanMultiKey(groupKeys, false, statement.StatementRawInfo, services.SerdeResolver);
_additionalForgeables.AddAll(mkplan.MultiKeyForgeables);
_groupByMultiKey = mkplan.ClassRef;
}
}
public static OnTriggerPlan HandleContextFactoryOnTrigger(
string className,
CodegenNamespaceScope namespaceScope,
string classPostfix,
NamedWindowMetaData namedWindow,
TableMetaData table,
OnTriggerWindowPlan planDesc,
StatementBaseInfo @base,
StatementCompileTimeServices services)
{
// validate context
var infraName = planDesc.OnTriggerDesc.WindowName;
var infraTitle = (namedWindow != null ? "Named window" : "Table") + " '" + infraName + "'";
var infraContextName = namedWindow != null ? namedWindow.ContextName : table.OptionalContextName;
var infraModuleName = namedWindow != null ? namedWindow.NamedWindowModuleName : table.TableModuleName;
var infraEventType = namedWindow != null ? namedWindow.EventType : table.InternalEventType;
var resultEventType = namedWindow != null ? namedWindow.EventType : table.PublicEventType;
var infraVisibility = namedWindow != null
? namedWindow.EventType.Metadata.AccessModifier
: table.TableVisibility;
ValidateOnExpressionContext(planDesc.ContextName, infraContextName, infraTitle);
List<StmtClassForgeableFactory> additionalForgeables = new List<StmtClassForgeableFactory>();
// validate expressions and plan subselects
var validationResult = OnTriggerPlanValidator.ValidateOnTriggerPlan(
infraEventType,
planDesc.OnTriggerDesc,
planDesc.StreamSpec,
planDesc.ActivatorResult,
planDesc.SubselectActivation,
@base,
services);
additionalForgeables.AddAll(validationResult.AdditionalForgeables);
var validatedJoin = validationResult.ValidatedJoin;
var activatorResultEventType = planDesc.ActivatorResult.ActivatorResultEventType;
var pair = IndexHintPair.GetIndexHintPair(
planDesc.OnTriggerDesc,
@base.StatementSpec.StreamSpecs[0].OptionalStreamName,
@base.StatementRawInfo,
services);
var indexHint = pair.IndexHint;
var excludePlanHint = pair.ExcludePlanHint;
var enabledSubqueryIndexShare = namedWindow != null && namedWindow.IsEnableIndexShare;
var isVirtualWindow = namedWindow != null && namedWindow.IsVirtualDataWindow;
var indexMetadata = namedWindow != null ? namedWindow.IndexMetadata : table.IndexMetadata;
var optionalUniqueKeySet = namedWindow != null ? namedWindow.UniquenessAsSet : table.UniquenessAsSet;
// query plan
var onlyUseExistingIndexes = table != null;
SubordinateWMatchExprQueryPlanResult planResult = SubordinateQueryPlanner.PlanOnExpression(
validatedJoin,
activatorResultEventType,
indexHint,
enabledSubqueryIndexShare,
-1,
excludePlanHint,
isVirtualWindow,
indexMetadata,
infraEventType,
optionalUniqueKeySet,
onlyUseExistingIndexes,
@base.StatementRawInfo,
services);
SubordinateWMatchExprQueryPlanForge queryPlan = planResult.Forge;
additionalForgeables.AddAll(planResult.AdditionalForgeables);
// indicate index dependencies
if (queryPlan.Indexes != null && infraVisibility == NameAccessModifier.PUBLIC) {
foreach (var index in queryPlan.Indexes) {
services.ModuleDependenciesCompileTime.AddPathIndex(
namedWindow != null,
infraName,
infraModuleName,
index.IndexName,
index.IndexModuleName,
services.NamedWindowCompileTimeRegistry,
services.TableCompileTimeRegistry);
}
}
var onTriggerType = planDesc.OnTriggerDesc.OnTriggerType;
var activator = planDesc.ActivatorResult.Activator;
var subselectForges = validationResult.SubselectForges;
var tableAccessForges = validationResult.TableAccessForges;
IList<StmtClassForgeable> forgeables = new List<StmtClassForgeable>(2);
StatementAgentInstanceFactoryOnTriggerInfraBaseForge forge;
var classNameRSP = CodeGenerationIDGenerator.GenerateClassNameSimple(
typeof(ResultSetProcessorFactoryProvider),
classPostfix);
ResultSetProcessorDesc resultSetProcessor;
if (onTriggerType == OnTriggerType.ON_SELECT) {
resultSetProcessor = validationResult.ResultSetProcessorPrototype;
var outputEventType = resultSetProcessor.ResultEventType;
var insertInto = false;
TableMetaData optionalInsertIntoTable = null;
var insertIntoDesc = @base.StatementSpec.Raw.InsertIntoDesc;
var addToFront = false;
if (insertIntoDesc != null) {
insertInto = true;
optionalInsertIntoTable = services.TableCompileTimeResolver.Resolve(insertIntoDesc.EventTypeName);
var optionalInsertIntoNamedWindow =
services.NamedWindowCompileTimeResolver.Resolve(insertIntoDesc.EventTypeName);
addToFront = optionalInsertIntoNamedWindow != null || optionalInsertIntoTable != null;
}
var selectAndDelete = planDesc.OnTriggerDesc.IsDeleteAndSelect;
var distinct = @base.StatementSpec.SelectClauseCompiled.IsDistinct;
MultiKeyPlan distinctMultiKeyPlan = MultiKeyPlanner.PlanMultiKeyDistinct(
distinct,
outputEventType,
@base.StatementRawInfo,
services.SerdeResolver);
additionalForgeables.AddAll(distinctMultiKeyPlan.MultiKeyForgeables);
forge = new StatementAgentInstanceFactoryOnTriggerInfraSelectForge(
activator,
outputEventType,
subselectForges,
tableAccessForges,
namedWindow,
table,
queryPlan,
classNameRSP,
insertInto,
addToFront,
optionalInsertIntoTable,
selectAndDelete,
distinct,
distinctMultiKeyPlan.ClassRef);
}
else {
var defaultSelectAllSpec = new StatementSpecCompiled();
defaultSelectAllSpec.SelectClauseCompiled.WithSelectExprList(new SelectClauseElementWildcard());
defaultSelectAllSpec.Raw.SelectStreamDirEnum = SelectClauseStreamSelectorEnum.RSTREAM_ISTREAM_BOTH;
StreamTypeService typeService = new StreamTypeServiceImpl(
new[] {resultEventType},
new[] {infraName},
new[] {false},
false,
false);
resultSetProcessor = ResultSetProcessorFactoryFactory.GetProcessorPrototype(
new ResultSetSpec(defaultSelectAllSpec),
typeService,
null,
new bool[1],
false,
@base.ContextPropertyRegistry,
false,
false,
@base.StatementRawInfo,
services);
if (onTriggerType == OnTriggerType.ON_DELETE) {
forge = new StatementAgentInstanceFactoryOnTriggerInfraDeleteForge(
activator,
resultEventType,
subselectForges,
tableAccessForges,
classNameRSP,
namedWindow,
table,
queryPlan);
}
else if (onTriggerType == OnTriggerType.ON_UPDATE) {
var updateDesc = (OnTriggerWindowUpdateDesc) planDesc.OnTriggerDesc;
EventBeanUpdateHelperForge updateHelper = EventBeanUpdateHelperForgeFactory.Make(
infraName,
(EventTypeSPI) infraEventType,
updateDesc.Assignments,
validationResult.ZeroStreamAliasName,
activatorResultEventType,
namedWindow != null,
@base.StatementName,
services.EventTypeAvroHandler);
forge = new StatementAgentInstanceFactoryOnTriggerInfraUpdateForge(
activator,
resultEventType,
subselectForges,
tableAccessForges,
classNameRSP,
namedWindow,
table,
queryPlan,
updateHelper);
}
else if (onTriggerType == OnTriggerType.ON_MERGE) {
var onMergeTriggerDesc = (OnTriggerMergeDesc) planDesc.OnTriggerDesc;
var onMergeHelper = new InfraOnMergeHelperForge(
onMergeTriggerDesc,
activatorResultEventType,
planDesc.StreamSpec.OptionalStreamName,
infraName,
(EventTypeSPI) infraEventType,
@base.StatementRawInfo,
services,
table);
forge = new StatementAgentInstanceFactoryOnTriggerInfraMergeForge(
activator,
resultEventType,
subselectForges,
tableAccessForges,
classNameRSP,
namedWindow,
table,
queryPlan,
onMergeHelper);
}
else {
throw new IllegalStateException("Unrecognized trigger type " + onTriggerType);
}
}
forgeables.Add(
new StmtClassForgeableRSPFactoryProvider(
classNameRSP,
resultSetProcessor,
namespaceScope,
@base.StatementRawInfo));
var queryPlanLogging = services.Configuration.Common.Logging.IsEnableQueryPlan;
SubordinateQueryPlannerUtil.QueryPlanLogOnExpr(
queryPlanLogging,
QUERY_PLAN_LOG,
queryPlan,
@base.StatementSpec.Annotations,
services.ImportServiceCompileTime);
StmtClassForgeableAIFactoryProviderOnTrigger onTrigger = new StmtClassForgeableAIFactoryProviderOnTrigger(className, namespaceScope, forge);
return new OnTriggerPlan(onTrigger, forgeables, resultSetProcessor.SelectSubscriberDescriptor, additionalForgeables);
}
public StmtForgeMethodResult Make(
string @namespace,
string classPostfix,
StatementCompileTimeServices services)
{
var spec = _base.StatementSpec.Raw.CreateIndexDesc;
var infraName = spec.WindowName;
var namedWindow = services.NamedWindowCompileTimeResolver.Resolve(infraName);
var table = services.TableCompileTimeResolver.Resolve(infraName);
if (namedWindow == null && table == null) {
throw new ExprValidationException("A named window or table by name '" + infraName + "' does not exist");
}
if (namedWindow != null && table != null) {
throw new ExprValidationException("A named window or table by name '" + infraName + "' are both found");
}
string infraModuleName;
NameAccessModifier infraVisibility;
EventType indexedEventType;
string infraContextName;
if (namedWindow != null) {
infraModuleName = namedWindow.NamedWindowModuleName;
infraVisibility = namedWindow.EventType.Metadata.AccessModifier;
indexedEventType = namedWindow.EventType;
infraContextName = namedWindow.ContextName;
}
else {
infraModuleName = table.TableModuleName;
infraVisibility = table.TableVisibility;
indexedEventType = table.InternalEventType;
infraContextName = table.OptionalContextName;
if (!table.IsKeyed) {
throw new ExprValidationException(
"Tables without primary key column(s) do not allow creating an index");
}
}
EPLValidationUtil.ValidateContextName(
namedWindow == null,
infraName,
infraContextName,
_base.StatementSpec.Raw.OptionalContextName,
true);
// validate index
var explicitIndexDesc = EventTableIndexUtil.ValidateCompileExplicitIndex(
spec.IndexName,
spec.IsUnique,
spec.Columns,
indexedEventType,
_base.StatementRawInfo,
services);
var advancedIndexDesc = explicitIndexDesc.AdvancedIndexProvisionDesc == null
? null
: explicitIndexDesc.AdvancedIndexProvisionDesc.IndexDesc.AdvancedIndexDescRuntime;
var imk = new IndexMultiKey(
spec.IsUnique,
explicitIndexDesc.HashPropsAsList,
explicitIndexDesc.BtreePropsAsList,
advancedIndexDesc);
// add index as a new index to module-init
var indexKey = new IndexCompileTimeKey(
infraModuleName,
infraName,
infraVisibility,
namedWindow != null,
spec.IndexName,
_base.ModuleName);
services.IndexCompileTimeRegistry.NewIndex(indexKey, new IndexDetailForge(imk, explicitIndexDesc));
// add index current named window information
if (namedWindow != null) {
namedWindow.AddIndex(spec.IndexName, _base.ModuleName, imk, explicitIndexDesc.ToRuntime());
}
else {
table.AddIndex(spec.IndexName, _base.ModuleName, imk, explicitIndexDesc.ToRuntime());
}
// determine multikey plan
MultiKeyPlan multiKeyPlan = MultiKeyPlanner.PlanMultiKey(
explicitIndexDesc.HashTypes, false, _base.StatementRawInfo, services.SerdeResolver);
explicitIndexDesc.HashMultiKeyClasses = multiKeyPlan.ClassRef;
DataInputOutputSerdeForge[] rangeSerdes = new DataInputOutputSerdeForge[explicitIndexDesc.RangeProps.Length];
for (int i = 0; i < explicitIndexDesc.RangeProps.Length; i++) {
rangeSerdes[i] = services.SerdeResolver.SerdeForIndexBtree(
explicitIndexDesc.RangeTypes[i], _base.StatementRawInfo);
}
explicitIndexDesc.RangeSerdes = rangeSerdes;
var statementFieldsClassName = CodeGenerationIDGenerator.GenerateClassNameSimple(
typeof(StatementFields), classPostfix);
var namespaceScope = new CodegenNamespaceScope(
@namespace, statementFieldsClassName, services.IsInstrumented);
var fieldsForgeable = new StmtClassForgeableStmtFields(statementFieldsClassName, namespaceScope, 0);
var aiFactoryProviderClassName = CodeGenerationIDGenerator.GenerateClassNameSimple(
typeof(StatementAIFactoryProvider),
classPostfix);
var forge = new StatementAgentInstanceFactoryCreateIndexForge(
indexedEventType,
spec.IndexName,
_base.ModuleName,
explicitIndexDesc,
imk,
namedWindow,
table);
var aiFactoryForgeable = new StmtClassForgeableAIFactoryProviderCreateIndex(
aiFactoryProviderClassName,
namespaceScope,
forge);
var selectSubscriberDescriptor = new SelectSubscriberDescriptor();
var informationals = StatementInformationalsUtil.GetInformationals(
_base,
EmptyList<FilterSpecCompiled>.Instance,
EmptyList<ScheduleHandleCallbackProvider>.Instance,
EmptyList<NamedWindowConsumerStreamSpec>.Instance,
true,
selectSubscriberDescriptor,
namespaceScope,
services);
informationals.Properties.Put(StatementProperty.CREATEOBJECTNAME, spec.IndexName);
var statementProviderClassName =
CodeGenerationIDGenerator.GenerateClassNameSimple(typeof(StatementProvider), classPostfix);
var stmtProvider = new StmtClassForgeableStmtProvider(
aiFactoryProviderClassName,
statementProviderClassName,
informationals,
namespaceScope);
var forgeables = new List<StmtClassForgeable>();
foreach (var additional in multiKeyPlan.MultiKeyForgeables) {
forgeables.Add(additional.Make(namespaceScope, classPostfix));
}
forgeables.Add(fieldsForgeable);
forgeables.Add(aiFactoryForgeable);
forgeables.Add(stmtProvider);
return new StmtForgeMethodResult(
forgeables,
EmptyList<FilterSpecCompiled>.Instance,
EmptyList<ScheduleHandleCallbackProvider>.Instance,
EmptyList<NamedWindowConsumerStreamSpec>.Instance,
EmptyList<FilterSpecParamExprNodeForge>.Instance);
}
