Example #1
0
        public CodegenClass Forge(bool includeDebugSymbols)
        {
            Supplier<string> debugInformationProvider = () => {
                var writer = new StringWriter();
                _raw.AppendCodeDebugInfo(writer);
                writer.Write(" output-processor ");
                writer.Write(_spec.GetType().FullName);
                return writer.ToString();
            };

            try {
                IList<CodegenInnerClass> innerClasses = new List<CodegenInnerClass>();

                // build ctor
                IList<CodegenTypedParam> ctorParms = new List<CodegenTypedParam>();
                ctorParms.Add(
                    new CodegenTypedParam(
                        typeof(EPStatementInitServices),
                        EPStatementInitServicesConstants.REF.Ref,
                        false));
                ctorParms.Add(
                    new CodegenTypedParam(
                        _namespaceScope.FieldsClassName,
                        null,
                        "statementFields",
                        true,
                        false));

                var providerCtor = new CodegenCtor(
                    typeof(StmtClassForgableOPVFactoryProvider),
                    ClassName,
                    includeDebugSymbols,
                    ctorParms);
                var classScope = new CodegenClassScope(includeDebugSymbols, _namespaceScope, ClassName);
                var providerExplicitMembers = new List<CodegenTypedParam>();
                providerExplicitMembers.Add(
                    new CodegenTypedParam(typeof(StatementResultService), MEMBERNAME_STATEMENTRESULTSVC));
                providerExplicitMembers.Add(
                    new CodegenTypedParam(typeof(OutputProcessViewFactory), MEMBERNAME_OPVFACTORY));

                if (_spec.IsCodeGenerated) {
                    // make factory and view both, assign to member
                    MakeOPVFactory(classScope, innerClasses, providerExplicitMembers, providerCtor, ClassName);
                    MakeOPV(
                        classScope,
                        innerClasses,
                        Collections.GetEmptyList<CodegenTypedParam>(),
                        providerCtor,
                        ClassName,
                        _spec,
                        _numStreams);
                }
                else {
                    // build factory from existing classes
                    var symbols = new SAIFFInitializeSymbol();
                    var init = providerCtor
                        .MakeChildWithScope(typeof(OutputProcessViewFactory), GetType(), symbols, classScope)
                        .AddParam(
                            typeof(EPStatementInitServices),
                            EPStatementInitServicesConstants.REF.Ref);
                    _spec.ProvideCodegen(init, symbols, classScope);
                    providerCtor.Block.AssignRef(
                        MEMBERNAME_OPVFACTORY,
                        LocalMethod(init, EPStatementInitServicesConstants.REF));
                }

                // make get-factory method
                var factoryMethodGetter = CodegenProperty.MakePropertyNode(
                    typeof(OutputProcessViewFactory),
                    GetType(),
                    CodegenSymbolProviderEmpty.INSTANCE,
                    classScope);
                factoryMethodGetter.GetterBlock.BlockReturn(Ref(MEMBERNAME_OPVFACTORY));

                var properties = new CodegenClassProperties();
                var methods = new CodegenClassMethods();
                CodegenStackGenerator.RecursiveBuildStack(
                    providerCtor,
                    "ctor",
                    methods,
                    properties);
                CodegenStackGenerator.RecursiveBuildStack(
                    factoryMethodGetter,
                    "OutputProcessViewFactory",
                    methods,
                    properties);

                // render and compile
                return new CodegenClass(
                    typeof(OutputProcessViewFactoryProvider),
                    _namespaceScope.Namespace,
                    ClassName,
                    classScope,
                    providerExplicitMembers,
                    providerCtor,
                    methods,
                    properties,
                    innerClasses);
            }
            catch (Exception t) {
                throw new EPException(
                    "Fatal exception during code-generation for " +
                    debugInformationProvider.Invoke() +
                    " : " +
                    t.Message,
                    t);
            }
        }
Example #2
0
        public CodegenClass Forge(bool includeDebugSymbols)
        {
            Supplier<string> debugInformationProvider = () => {
                var writer = new StringWriter();
                _statementRawInfo.AppendCodeDebugInfo(writer);
                writer.Write(" result-set-processor ");
                writer.Write(_spec.ResultSetProcessorFactoryForge.GetType().FullName);
                return writer.ToString();
            };

            try {
                IList<CodegenInnerClass> innerClasses = new List<CodegenInnerClass>();

                // build ctor
                IList<CodegenTypedParam> ctorParms = new List<CodegenTypedParam>();
                ctorParms.Add(
                    new CodegenTypedParam(
                        typeof(EPStatementInitServices),
                        EPStatementInitServicesConstants.REF.Ref,
                        false));
                ctorParms.Add(
                    new CodegenTypedParam(
                        _namespaceScope.FieldsClassName,
                        null,
                        MEMBERNAME_STATEMENT_FIELDS,
                        true,
                        false));

                var providerCtor = new CodegenCtor(
                    typeof(StmtClassForgableRSPFactoryProvider),
                    ClassName,
                    includeDebugSymbols,
                    ctorParms);
                var classScope = new CodegenClassScope(includeDebugSymbols, _namespaceScope, ClassName);
                var providerExplicitMembers = new List<CodegenTypedParam>(2);

                // add event type
                providerExplicitMembers.Add(new CodegenTypedParam(typeof(EventType), MEMBERNAME_RESULTEVENTTYPE));

                providerCtor.Block.AssignRef(
                    MEMBERNAME_RESULTEVENTTYPE,
                    EventTypeUtility.ResolveTypeCodegen(_spec.ResultEventType, EPStatementInitServicesConstants.REF));

                MakeResultSetProcessorFactory(
                    classScope,
                    innerClasses,
                    providerExplicitMembers,
                    providerCtor,
                    ClassName);

                MakeResultSetProcessor(
                    classScope,
                    innerClasses,
                    providerExplicitMembers,
                    providerCtor,
                    ClassName,
                    _spec);

                OrderByProcessorCompiler.MakeOrderByProcessors(
                    _spec.OrderByProcessorFactoryForge,
                    classScope,
                    innerClasses,
                    providerExplicitMembers,
                    providerCtor,
                    ClassName,
                    MEMBERNAME_ORDERBYFACTORY);

                providerExplicitMembers.Add(
                    new CodegenTypedParam(typeof(AggregationServiceFactory), MEMBERNAME_AGGREGATIONSVCFACTORY));
                var aggregationClassNames = new AggregationClassNames();
                var aggResult = AggregationServiceFactoryCompiler.MakeInnerClassesAndInit(
                    _spec.IsJoin,
                    _spec.AggregationServiceForgeDesc.AggregationServiceFactoryForge,
                    providerCtor,
                    classScope,
                    ClassName,
                    aggregationClassNames);
                providerCtor.Block.AssignRef(
                    MEMBERNAME_AGGREGATIONSVCFACTORY,
                    LocalMethod(aggResult.InitMethod, EPStatementInitServicesConstants.REF));
                innerClasses.AddAll(aggResult.InnerClasses);

                MakeSelectExprProcessors(
                    classScope,
                    innerClasses,
                    providerExplicitMembers,
                    providerCtor,
                    ClassName,
                    _spec.IsRollup,
                    _spec.SelectExprProcessorForges);

                // make provider methods
                var propResultSetProcessorFactoryMethod = CodegenProperty.MakePropertyNode(
                    typeof(ResultSetProcessorFactory),
                    GetType(),
                    CodegenSymbolProviderEmpty.INSTANCE,
                    classScope);
                propResultSetProcessorFactoryMethod
                    .GetterBlock
                    .BlockReturn(Ref(MEMBERNAME_RESULTSETPROCESSORFACTORY));

                var propAggregationServiceFactoryMethod = CodegenProperty.MakePropertyNode(
                    typeof(AggregationServiceFactory),
                    GetType(),
                    CodegenSymbolProviderEmpty.INSTANCE,
                    classScope);
                propAggregationServiceFactoryMethod
                    .GetterBlock
                    .BlockReturn(Ref(MEMBERNAME_AGGREGATIONSVCFACTORY));

                var propOrderByProcessorFactoryMethod = CodegenProperty.MakePropertyNode(
                    typeof(OrderByProcessorFactory),
                    GetType(),
                    CodegenSymbolProviderEmpty.INSTANCE,
                    classScope);
                propOrderByProcessorFactoryMethod
                    .GetterBlock
                    .BlockReturn(Ref(MEMBERNAME_ORDERBYFACTORY));

                var propResultSetProcessorTypeMethod = CodegenProperty.MakePropertyNode(
                    typeof(ResultSetProcessorType),
                    GetType(),
                    CodegenSymbolProviderEmpty.INSTANCE,
                    classScope);
                propResultSetProcessorTypeMethod
                    .GetterBlock
                    .BlockReturn(EnumValue(typeof(ResultSetProcessorType), _spec.ResultSetProcessorType.GetName()));

                var propResultEventTypeMethod = CodegenProperty.MakePropertyNode(
                    typeof(EventType),
                    GetType(),
                    CodegenSymbolProviderEmpty.INSTANCE,
                    classScope);
                propResultEventTypeMethod
                    .GetterBlock
                    .BlockReturn(Ref(MEMBERNAME_RESULTEVENTTYPE));

                var properties = new CodegenClassProperties();

                var methods = new CodegenClassMethods();
                CodegenStackGenerator.RecursiveBuildStack(providerCtor, "ctor", methods, properties);
                CodegenStackGenerator.RecursiveBuildStack(
                    propResultSetProcessorFactoryMethod,
                    "ResultSetProcessorFactory",
                    methods,
                    properties);
                CodegenStackGenerator.RecursiveBuildStack(
                    propAggregationServiceFactoryMethod,
                    "AggregationServiceFactory",
                    methods,
                    properties);
                CodegenStackGenerator.RecursiveBuildStack(
                    propOrderByProcessorFactoryMethod,
                    "OrderByProcessorFactory",
                    methods,
                    properties);
                CodegenStackGenerator.RecursiveBuildStack(
                    propResultSetProcessorTypeMethod,
                    "ResultSetProcessorType",
                    methods,
                    properties);
                CodegenStackGenerator.RecursiveBuildStack(
                    propResultEventTypeMethod, 
                    "ResultEventType",
                    methods,
                    properties);

                // render and compile
                return new CodegenClass(
                    typeof(ResultSetProcessorFactoryProvider),
                    _namespaceScope.Namespace,
                    ClassName,
                    classScope,
                    providerExplicitMembers,
                    providerCtor,
                    methods,
                    properties,
                    innerClasses);
            }
            catch (Exception t) {
                throw new EPException(
                    "Fatal exception during code-generation for " +
                    debugInformationProvider.Invoke() +
                    " : " +
                    t.Message,
                    t);
            }
        }