public StmtClassForgeableAIFactoryProviderCreateNW( string className, CodegenNamespaceScope namespaceScope, StatementAgentInstanceFactoryCreateNWForge forge, string namedWindowName) : base(className, namespaceScope) { _forge = forge; _namedWindowName = namedWindowName; }
private StmtForgeMethodResult Build( string @namespace, string classPostfix, StatementCompileTimeServices services) { var compileResult = CreateWindowUtil.HandleCreateWindow(@base, services); var namedWindowType = compileResult.FilterSpecCompiled.FilterForEventType; // view must be non-empty list var createWindowDesc = @base.StatementSpec.Raw.CreateWindowDesc; if (createWindowDesc.ViewSpecs.IsEmpty()) { throw new ExprValidationException(NamedWindowManagementServiceConstants.ERROR_MSG_DATAWINDOWS); } if (services.NamedWindowCompileTimeResolver.Resolve(createWindowDesc.WindowName) != null) { throw new ExprValidationException( "Named window named '" + createWindowDesc.WindowName + "' has already been declared"); } // build forge var activator = new ViewableActivatorFilterForge(compileResult.FilterSpecCompiled, false, 0, false, -1); var viewSpecs = createWindowDesc.ViewSpecs; var viewArgs = new ViewFactoryForgeArgs( 0, false, -1, createWindowDesc.StreamSpecOptions, createWindowDesc.WindowName, @base.StatementRawInfo, services); var viewForges = ViewFactoryForgeUtil.CreateForges(viewSpecs.ToArray(), viewArgs, namedWindowType); IList<ScheduleHandleCallbackProvider> schedules = new List<ScheduleHandleCallbackProvider>(); ViewFactoryForgeUtil.DetermineViewSchedules(viewForges, schedules); VerifyDataWindowViewFactoryChain(viewForges); var optionalUniqueKeyProps = StreamJoinAnalysisResultCompileTime.GetUniqueCandidateProperties( viewForges, @base.StatementSpec.Annotations); var uniqueKeyProArray = optionalUniqueKeyProps == null ? null : optionalUniqueKeyProps.ToArray(); NamedWindowMetaData insertFromNamedWindow = null; ExprNode insertFromFilter = null; if (createWindowDesc.IsInsert || createWindowDesc.InsertFilter != null) { var name = createWindowDesc.AsEventTypeName; insertFromNamedWindow = services.NamedWindowCompileTimeResolver.Resolve(name); if (insertFromNamedWindow == null) { throw new ExprValidationException( "A named window by name '" + name + "' could not be located, the insert-keyword requires an existing named window"); } insertFromFilter = createWindowDesc.InsertFilter; if (insertFromFilter != null) { var checkMinimal = ExprNodeUtilityValidate.IsMinimalExpression(insertFromFilter); if (checkMinimal != null) { throw new ExprValidationException("Create window where-clause may not have " + checkMinimal); } StreamTypeService streamTypeService = new StreamTypeServiceImpl( insertFromNamedWindow.EventType, name, true); var validationContext = new ExprValidationContextBuilder( streamTypeService, @base.StatementRawInfo, services).Build(); insertFromFilter = ExprNodeUtilityValidate.GetValidatedSubtree( ExprNodeOrigin.CREATEWINDOWFILTER, insertFromFilter, validationContext); } } // handle output format var defaultSelectAllSpec = new StatementSpecCompiled(); defaultSelectAllSpec.SelectClauseCompiled.WithSelectExprList(new SelectClauseElementWildcard()); defaultSelectAllSpec.Raw.SelectStreamDirEnum = SelectClauseStreamSelectorEnum.RSTREAM_ISTREAM_BOTH; StreamTypeService typeService = new StreamTypeServiceImpl( new[] {namedWindowType}, new[] {createWindowDesc.WindowName}, new[] {true}, false, false); var resultSetProcessor = ResultSetProcessorFactoryFactory.GetProcessorPrototype( new ResultSetSpec(defaultSelectAllSpec), typeService, null, new bool[1], false, @base.ContextPropertyRegistry, false, false, @base.StatementRawInfo, services); var classNameRSP = CodeGenerationIDGenerator.GenerateClassNameSimple( typeof(ResultSetProcessorFactoryProvider), classPostfix); var selectSubscriberDescriptor = resultSetProcessor.SelectSubscriberDescriptor; var forge = new StatementAgentInstanceFactoryCreateNWForge( activator, createWindowDesc.WindowName, viewForges, insertFromNamedWindow, insertFromFilter, compileResult.AsEventType, classNameRSP); // add named window var isBatchingDataWindow = DetermineBatchingDataWindow(viewForges); var virtualDataWindow = viewForges[0] is VirtualDWViewFactoryForge; var isEnableIndexShare = virtualDataWindow || HintEnum.ENABLE_WINDOW_SUBQUERY_INDEXSHARE.GetHint( @base.StatementSpec.Annotations) != null; var metaData = new NamedWindowMetaData( namedWindowType, @base.ModuleName, @base.ContextName, uniqueKeyProArray, isBatchingDataWindow, isEnableIndexShare, compileResult.AsEventType, virtualDataWindow); services.NamedWindowCompileTimeRegistry.NewNamedWindow(metaData); // build forge list IList<StmtClassForgable> forgables = new List<StmtClassForgable>(2); var statementFieldsClassName = CodeGenerationIDGenerator.GenerateClassNameSimple(typeof(StatementFields), classPostfix); var packageScope = new CodegenNamespaceScope( @namespace, statementFieldsClassName, services.IsInstrumented); forgables.Add( new StmtClassForgableRSPFactoryProvider( classNameRSP, resultSetProcessor, packageScope, @base.StatementRawInfo)); var aiFactoryProviderClassName = CodeGenerationIDGenerator.GenerateClassNameSimple( typeof(StatementAIFactoryProvider), classPostfix); var aiFactoryForgable = new StmtClassForgableAIFactoryProviderCreateNW( aiFactoryProviderClassName, packageScope, forge, createWindowDesc.WindowName); forgables.Add(aiFactoryForgable); var statementProviderClassName = CodeGenerationIDGenerator.GenerateClassNameSimple(typeof(StatementProvider), classPostfix); var informationals = StatementInformationalsUtil.GetInformationals( @base, Collections.SingletonList(compileResult.FilterSpecCompiled), schedules, new EmptyList<NamedWindowConsumerStreamSpec>(), true, selectSubscriberDescriptor, packageScope, services); forgables.Add( new StmtClassForgableStmtProvider( aiFactoryProviderClassName, statementProviderClassName, informationals, packageScope)); forgables.Add(new StmtClassForgableStmtFields(statementFieldsClassName, packageScope, 1)); return new StmtForgeMethodResult( forgables, Collections.SingletonList(compileResult.FilterSpecCompiled), schedules, new EmptyList<NamedWindowConsumerStreamSpec>(), new EmptyList<FilterSpecParamExprNodeForge>()); }