public StmtForgeMethodResult Make(
string @namespace,
string classPostfix,
StatementCompileTimeServices services)
{
var statementSpec = @base.StatementSpec;
var spec = statementSpec.Raw.CreateSchemaDesc;
if (services.EventTypeCompileTimeResolver.GetTypeByName(spec.SchemaName) != null) {
throw new ExprValidationException(
"Event type named '" + spec.SchemaName + "' has already been declared");
}
EPLValidationUtil.ValidateTableExists(services.TableCompileTimeResolver, spec.SchemaName);
var eventTypeForgeablesPair = HandleCreateSchema(spec, services);
var statementFieldsClassName = CodeGenerationIDGenerator.GenerateClassNameSimple(
typeof(StatementFields), classPostfix);
var namespaceScope = new CodegenNamespaceScope(
@namespace, statementFieldsClassName, services.IsInstrumented);
var fieldsForgable = new StmtClassForgeableStmtFields(statementFieldsClassName, namespaceScope, 0);
var aiFactoryProviderClassName = CodeGenerationIDGenerator.GenerateClassNameSimple(
typeof(StatementAIFactoryProvider),
classPostfix);
var forge = new StatementAgentInstanceFactoryCreateSchemaForge(
eventTypeForgeablesPair.EventType);
var aiFactoryForgeable = new StmtClassForgeableAIFactoryProviderCreateSchema(
aiFactoryProviderClassName,
namespaceScope,
forge);
var selectSubscriberDescriptor = new SelectSubscriberDescriptor();
var informationals = StatementInformationalsUtil.GetInformationals(
@base,
EmptyList<FilterSpecCompiled>.Instance,
EmptyList<ScheduleHandleCallbackProvider>.Instance,
EmptyList<NamedWindowConsumerStreamSpec>.Instance,
false,
selectSubscriberDescriptor,
namespaceScope,
services);
informationals.Properties.Put(StatementProperty.CREATEOBJECTNAME, spec.SchemaName);
var statementProviderClassName =
CodeGenerationIDGenerator.GenerateClassNameSimple(typeof(StatementProvider), classPostfix);
var stmtProvider = new StmtClassForgeableStmtProvider(
aiFactoryProviderClassName,
statementProviderClassName,
informationals,
namespaceScope);
var forgables = new List<StmtClassForgeable>();
eventTypeForgeablesPair.AdditionalForgeables.ForEach(
a => forgables.Add(a.Make(namespaceScope, classPostfix)));
forgables.Add(fieldsForgable);
forgables.Add(aiFactoryForgeable);
forgables.Add(stmtProvider);
return new StmtForgeMethodResult(
forgables,
EmptyList<FilterSpecCompiled>.Instance,
EmptyList<ScheduleHandleCallbackProvider>.Instance,
EmptyList<NamedWindowConsumerStreamSpec>.Instance,
EmptyList<FilterSpecParamExprNodeForge>.Instance);
}
public StmtForgeMethodResult Make(
string @namespace,
string classPostfix,
StatementCompileTimeServices services)
{
string objectName = Register(services);
// define output event type
string statementEventTypeName = services.EventTypeNameGeneratorStatement.AnonymousTypeName;
EventTypeMetadata statementTypeMetadata = new EventTypeMetadata(
statementEventTypeName,
_base.ModuleName,
EventTypeTypeClass.STATEMENTOUT,
EventTypeApplicationType.MAP,
NameAccessModifier.TRANSIENT,
EventTypeBusModifier.NONBUS,
false,
EventTypeIdPair.Unassigned());
EventType statementEventType = BaseNestableEventUtil.MakeMapTypeCompileTime(
statementTypeMetadata,
EmptyDictionary <string, object> .Instance,
null,
null,
null,
null,
services.BeanEventTypeFactoryPrivate,
services.EventTypeCompileTimeResolver);
services.EventTypeCompileTimeRegistry.NewType(statementEventType);
string statementFieldsClassName =
CodeGenerationIDGenerator.GenerateClassNameSimple(typeof(StatementFields), classPostfix);
CodegenNamespaceScope namespaceScope = new CodegenNamespaceScope(
@namespace,
statementFieldsClassName,
services.IsInstrumented);
string aiFactoryProviderClassName = CodeGenerationIDGenerator.GenerateClassNameSimple(typeof(StatementAIFactoryProvider), classPostfix);
StmtClassForgeable aiFactoryForgeable = AiFactoryForgable(aiFactoryProviderClassName, namespaceScope, statementEventType, objectName);
SelectSubscriberDescriptor selectSubscriberDescriptor = new SelectSubscriberDescriptor();
StatementInformationalsCompileTime informationals = StatementInformationalsUtil.GetInformationals(
_base,
EmptyList <FilterSpecCompiled> .Instance,
EmptyList <ScheduleHandleCallbackProvider> .Instance,
EmptyList <NamedWindowConsumerStreamSpec> .Instance,
false,
selectSubscriberDescriptor,
namespaceScope,
services);
informationals.Properties.Put(StatementProperty.CREATEOBJECTNAME, objectName);
string statementProviderClassName = CodeGenerationIDGenerator.GenerateClassNameSimple(typeof(StatementProvider), classPostfix);
StmtClassForgeableStmtProvider stmtProvider = new StmtClassForgeableStmtProvider(
aiFactoryProviderClassName,
statementProviderClassName,
informationals,
namespaceScope);
var stmtClassForgeableStmtFields = new StmtClassForgeableStmtFields(
statementFieldsClassName,
namespaceScope,
1);
IList <StmtClassForgeable> forgeables = new List <StmtClassForgeable>();
forgeables.Add(aiFactoryForgeable);
forgeables.Add(stmtProvider);
forgeables.Add(stmtClassForgeableStmtFields);
return(new StmtForgeMethodResult(
forgeables,
EmptyList <FilterSpecCompiled> .Instance,
EmptyList <ScheduleHandleCallbackProvider> .Instance,
EmptyList <NamedWindowConsumerStreamSpec> .Instance,
EmptyList <FilterSpecParamExprNodeForge> .Instance));
}
public StmtForgeMethodResult Make(
string @namespace,
string classPostfix,
StatementCompileTimeServices services)
{
var statementSpec = _base.StatementSpec;
var createDesc = statementSpec.Raw.CreateVariableDesc;
// Check if the variable is already declared
EPLValidationUtil.ValidateAlreadyExistsTableOrVariable(
createDesc.VariableName,
services.VariableCompileTimeResolver,
services.TableCompileTimeResolver,
services.EventTypeCompileTimeResolver);
// Get assignment value when compile-time-constant
object initialValue = null;
ExprForge initialValueExpr = null;
if (createDesc.Assignment != null) {
// Evaluate assignment expression
StreamTypeService typeService = new StreamTypeServiceImpl(
new EventType[0],
new string[0],
new bool[0],
false,
false);
var validationContext =
new ExprValidationContextBuilder(typeService, _base.StatementRawInfo, services).Build();
var validated = ExprNodeUtilityValidate.GetValidatedSubtree(
ExprNodeOrigin.VARIABLEASSIGN,
createDesc.Assignment,
validationContext);
if (validated.Forge.ForgeConstantType == ExprForgeConstantType.COMPILETIMECONST) {
initialValue = validated.Forge.ExprEvaluator.Evaluate(null, true, null);
}
createDesc.Assignment = validated;
initialValueExpr = validated.Forge;
}
var contextName = statementSpec.Raw.OptionalContextName;
NameAccessModifier? contextVisibility = null;
string contextModuleName = null;
if (contextName != null) {
var contextDetail = services.ContextCompileTimeResolver.GetContextInfo(contextName);
if (contextDetail == null) {
throw new ExprValidationException("Failed to find context '" + contextName + "'");
}
contextVisibility = contextDetail.ContextVisibility;
contextModuleName = contextDetail.ContextModuleName;
}
// get visibility
var visibility = services.ModuleVisibilityRules.GetAccessModifierVariable(_base, createDesc.VariableName);
// Compile metadata
var compileTimeConstant = createDesc.IsConstant &&
initialValueExpr != null &&
initialValueExpr.ForgeConstantType.IsCompileTimeConstant;
var metaData = VariableUtil.CompileVariable(
createDesc.VariableName,
_base.ModuleName,
visibility,
contextName,
contextVisibility,
contextModuleName,
createDesc.VariableType,
createDesc.IsConstant,
compileTimeConstant,
initialValue,
services.ImportServiceCompileTime,
services.ClassProvidedExtension,
EventBeanTypedEventFactoryCompileTime.INSTANCE,
services.EventTypeRepositoryPreconfigured,
services.BeanEventTypeFactoryPrivate);
// Register variable
services.VariableCompileTimeRegistry.NewVariable(metaData);
// Statement event type
var eventTypePropertyTypes = Collections.SingletonDataMap(
metaData.VariableName,
metaData.Type);
var eventTypeName = services.EventTypeNameGeneratorStatement.AnonymousTypeName;
var eventTypeMetadata = new EventTypeMetadata(
eventTypeName,
_base.ModuleName,
EventTypeTypeClass.STATEMENTOUT,
EventTypeApplicationType.MAP,
NameAccessModifier.TRANSIENT,
EventTypeBusModifier.NONBUS,
false,
EventTypeIdPair.Unassigned());
var outputEventType = BaseNestableEventUtil.MakeMapTypeCompileTime(
eventTypeMetadata,
eventTypePropertyTypes,
null,
null,
null,
null,
services.BeanEventTypeFactoryPrivate,
services.EventTypeCompileTimeResolver);
services.EventTypeCompileTimeRegistry.NewType(outputEventType);
// Handle output format
var defaultSelectAllSpec = new StatementSpecCompiled();
defaultSelectAllSpec.SelectClauseCompiled.WithSelectExprList(new SelectClauseElementWildcard());
defaultSelectAllSpec.Raw.SelectStreamDirEnum = SelectClauseStreamSelectorEnum.RSTREAM_ISTREAM_BOTH;
StreamTypeService streamTypeService = new StreamTypeServiceImpl(
new EventType[] {outputEventType},
new string[] {"trigger_stream"},
new bool[] {true},
false,
false);
var resultSetProcessor = ResultSetProcessorFactoryFactory.GetProcessorPrototype(
new ResultSetSpec(defaultSelectAllSpec),
streamTypeService,
null,
new bool[1],
false,
_base.ContextPropertyRegistry,
false,
false,
_base.StatementRawInfo,
services);
// Code generation
var statementFieldsClassName =
CodeGenerationIDGenerator.GenerateClassNameSimple(typeof(StatementFields), classPostfix);
var aiFactoryProviderClassName = CodeGenerationIDGenerator.GenerateClassNameSimple(
typeof(StatementAIFactoryProvider),
classPostfix);
var classNameRSP = CodeGenerationIDGenerator.GenerateClassNameSimple(
typeof(ResultSetProcessorFactoryProvider),
classPostfix);
var namespaceScope = new CodegenNamespaceScope(
@namespace,
statementFieldsClassName,
services.IsInstrumented);
// serde
DataInputOutputSerdeForge serde = DataInputOutputSerdeForgeNotApplicable.INSTANCE;
if (metaData.EventType == null) {
serde = services.SerdeResolver.SerdeForVariable(
metaData.Type, metaData.VariableName, _base.StatementRawInfo);
}
var forge =
new StatementAgentInstanceFactoryCreateVariableForge(
createDesc.VariableName,
initialValueExpr,
classNameRSP);
var aiFactoryForgeable = new StmtClassForgeableAIFactoryProviderCreateVariable(
aiFactoryProviderClassName,
namespaceScope,
forge,
createDesc.VariableName,
serde);
var informationals = StatementInformationalsUtil.GetInformationals(
_base,
Collections.GetEmptyList<FilterSpecCompiled>(),
Collections.GetEmptyList<ScheduleHandleCallbackProvider>(),
Collections.GetEmptyList<NamedWindowConsumerStreamSpec>(),
true,
resultSetProcessor.SelectSubscriberDescriptor,
namespaceScope,
services);
informationals.Properties.Put(StatementProperty.CREATEOBJECTNAME, createDesc.VariableName);
var statementProviderClassName =
CodeGenerationIDGenerator.GenerateClassNameSimple(typeof(StatementProvider), classPostfix);
var stmtProvider = new StmtClassForgeableStmtProvider(
aiFactoryProviderClassName,
statementProviderClassName,
informationals,
namespaceScope);
var forgeables = new List<StmtClassForgeable>();
forgeables.Add(
new StmtClassForgeableRSPFactoryProvider(
classNameRSP,
resultSetProcessor,
namespaceScope,
_base.StatementRawInfo));
forgeables.Add(aiFactoryForgeable);
forgeables.Add(stmtProvider);
forgeables.Add(new StmtClassForgeableStmtFields(statementFieldsClassName, namespaceScope, 0));
return new StmtForgeMethodResult(
forgeables,
Collections.GetEmptyList<FilterSpecCompiled>(),
Collections.GetEmptyList<ScheduleHandleCallbackProvider>(),
Collections.GetEmptyList<NamedWindowConsumerStreamSpec>(),
Collections.GetEmptyList<FilterSpecParamExprNodeForge>());
}
public StmtForgeMethodResult Make(
string @namespace,
string classPostfix,
StatementCompileTimeServices services)
{
var statementSpec = _base.StatementSpec;
// determine context
var contextName = _base.StatementSpec.Raw.OptionalContextName;
if (contextName != null) {
throw new ExprValidationException("Update IStream is not supported in conjunction with a context");
}
var streamSpec = statementSpec.StreamSpecs[0];
var updateSpec = statementSpec.Raw.UpdateDesc;
string triggereventTypeName;
EventType streamEventType;
List<StmtClassForgeableFactory> additionalForgeables = new List<StmtClassForgeableFactory>();
if (streamSpec is FilterStreamSpecCompiled) {
var filterStreamSpec = (FilterStreamSpecCompiled) streamSpec;
triggereventTypeName = filterStreamSpec.FilterSpecCompiled.FilterForEventTypeName;
streamEventType = filterStreamSpec.FilterSpecCompiled.FilterForEventType;
}
else if (streamSpec is NamedWindowConsumerStreamSpec) {
var namedSpec = (NamedWindowConsumerStreamSpec) streamSpec;
streamEventType = namedSpec.NamedWindow.EventType;
triggereventTypeName = streamEventType.Name;
}
else if (streamSpec is TableQueryStreamSpec) {
throw new ExprValidationException("Tables cannot be used in an update-istream statement");
}
else {
throw new ExprValidationException("Unknown stream specification streamEventType: " + streamSpec);
}
// determine a stream name
var streamName = triggereventTypeName;
if (updateSpec.OptionalStreamName != null) {
streamName = updateSpec.OptionalStreamName;
}
StreamTypeService typeService = new StreamTypeServiceImpl(
new[] {streamEventType},
new[] {streamName},
new[] {true},
false,
false);
// create subselect information
IList<FilterSpecCompiled> filterSpecCompileds = new List<FilterSpecCompiled>();
IList<NamedWindowConsumerStreamSpec> namedWindowConsumers = new List<NamedWindowConsumerStreamSpec>();
SubSelectActivationDesc subSelectActivationDesc = SubSelectHelperActivations.CreateSubSelectActivation(
filterSpecCompileds, namedWindowConsumers, _base, services);
additionalForgeables.AddAll(subSelectActivationDesc.AdditionalForgeables);
IDictionary<ExprSubselectNode, SubSelectActivationPlan> subselectActivation = subSelectActivationDesc.Subselects;
// handle subselects
SubSelectHelperForgePlan subSelectForgePlan = SubSelectHelperForgePlanner.PlanSubSelect(
_base, subselectActivation, typeService.StreamNames, typeService.EventTypes, new String[]{triggereventTypeName}, services);
IDictionary<ExprSubselectNode, SubSelectFactoryForge> subselectForges = subSelectForgePlan.Subselects;
additionalForgeables.AddAll(subSelectForgePlan.AdditionalForgeables);
var validationContext =
new ExprValidationContextBuilder(typeService, _base.StatementRawInfo, services).Build();
foreach (var assignment in updateSpec.Assignments) {
ExprNodeUtilityValidate.ValidateAssignment(
false, ExprNodeOrigin.UPDATEASSIGN, assignment, validationContext);
}
if (updateSpec.OptionalWhereClause != null) {
var validated = ExprNodeUtilityValidate.GetValidatedSubtree(
ExprNodeOrigin.WHERE,
updateSpec.OptionalWhereClause,
validationContext);
updateSpec.OptionalWhereClause = validated;
EPStatementStartMethodHelperValidate.ValidateNoAggregations(
validated,
"Aggregation functions may not be used within an update-clause");
}
// build route information
var routerDesc = InternalEventRouterDescFactory.GetValidatePreprocessing(
streamEventType,
updateSpec,
_base.StatementRawInfo.Annotations);
var statementFieldsClassName =
CodeGenerationIDGenerator.GenerateClassNameSimple(typeof(StatementFields), classPostfix);
var namespaceScope = new CodegenNamespaceScope(
@namespace,
statementFieldsClassName,
services.IsInstrumented);
var aiFactoryProviderClassName = CodeGenerationIDGenerator.GenerateClassNameSimple(
typeof(StatementAIFactoryProvider),
classPostfix);
var forge = new StatementAgentInstanceFactoryUpdateForge(routerDesc, subselectForges);
var aiFactoryForgeable = new StmtClassForgeableAIFactoryProviderUpdate(
aiFactoryProviderClassName,
namespaceScope,
forge);
var selectSubscriberDescriptor = new SelectSubscriberDescriptor(
new[] {streamEventType.UnderlyingType},
new[] {"*"},
false,
null,
null);
var informationals = StatementInformationalsUtil.GetInformationals(
_base,
filterSpecCompileds,
Collections.GetEmptyList<ScheduleHandleCallbackProvider>(),
Collections.GetEmptyList<NamedWindowConsumerStreamSpec>(),
false,
selectSubscriberDescriptor,
namespaceScope,
services);
var statementProviderClassName =
CodeGenerationIDGenerator.GenerateClassNameSimple(typeof(StatementProvider), classPostfix);
var stmtProvider = new StmtClassForgeableStmtProvider(
aiFactoryProviderClassName,
statementProviderClassName,
informationals,
namespaceScope);
IList<StmtClassForgeable> forgeables = new List<StmtClassForgeable>();
additionalForgeables.ForEach(_ => forgeables.Add(_.Make(namespaceScope, classPostfix)));
forgeables.Add(aiFactoryForgeable);
forgeables.Add(stmtProvider);
forgeables.Add(new StmtClassForgeableStmtFields(statementFieldsClassName, namespaceScope, 0));
return new StmtForgeMethodResult(
forgeables,
filterSpecCompileds,
Collections.GetEmptyList<ScheduleHandleCallbackProvider>(),
namedWindowConsumers,
Collections.GetEmptyList<FilterSpecParamExprNodeForge>());
}
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);
}