Exemplo n.º 1
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        /// <summary>
        /// Ctor.
        /// </summary>
        /// <param name="isFirst">true for the first-where clause, false for all where-clauses</param>
        /// <param name="eventType">output type</param>
        /// <param name="epStatementHandle">handle</param>
        /// <param name="internalEventRouter">routining output events</param>
        /// <param name="tableStateInstance">The table state instance.</param>
        /// <param name="isNamedWindowInsert">The is named window insert.</param>
        /// <param name="processors">processors for select clauses</param>
        /// <param name="whereClauses">where expressions</param>
        /// <param name="agentInstanceContext">agent instance context</param>
        /// <exception cref="System.ArgumentException">Number of where-clauses and processors does not match</exception>
        public RouteResultView(
            bool isFirst,
            EventType eventType,
            EPStatementHandle epStatementHandle,
            InternalEventRouter internalEventRouter,
            TableStateInstance[] tableStateInstance,
            bool[] isNamedWindowInsert,
            ResultSetProcessor[] processors,
            ExprNode[] whereClauses,
            AgentInstanceContext agentInstanceContext)
        {
            if (whereClauses.Length != processors.Length)
            {
                throw new ArgumentException("Number of where-clauses and processors does not match");
            }

            _exprEvaluatorContext = agentInstanceContext;
            _eventType            = eventType;

            if (isFirst)
            {
                _handler = new RouteResultViewHandlerFirst(epStatementHandle, internalEventRouter, tableStateInstance, isNamedWindowInsert, processors, ExprNodeUtility.GetEvaluators(whereClauses), agentInstanceContext);
            }
            else
            {
                _handler = new RouteResultViewHandlerAll(epStatementHandle, internalEventRouter, tableStateInstance, isNamedWindowInsert, processors, ExprNodeUtility.GetEvaluators(whereClauses), agentInstanceContext);
            }
        }
Exemplo n.º 2
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        public RouteResultView(
            bool isFirst,
            EventType eventType,
            EPStatementHandle epStatementHandle,
            InternalEventRouter internalEventRouter,
            TableStateInstance[] tableStateInstances,
            EPStatementStartMethodOnTriggerItem[] items,
            ResultSetProcessor[] processors,
            ExprEvaluator[] whereClauses,
            AgentInstanceContext agentInstanceContext)
        {
            if (whereClauses.Length != processors.Length)
            {
                throw new ArgumentException("Number of where-clauses and processors does not match");
            }

            _exprEvaluatorContext = agentInstanceContext;
            _eventType = eventType;
            if (isFirst)
            {
                _handler = new RouteResultViewHandlerFirst(
                    epStatementHandle, internalEventRouter, tableStateInstances, items, processors, whereClauses,
                    agentInstanceContext);
            }
            else
            {
                _handler = new RouteResultViewHandlerAll(
                    epStatementHandle, internalEventRouter, tableStateInstances, items, processors, whereClauses,
                    agentInstanceContext);
            }
        }
Exemplo n.º 3
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        public void TestDropNoJoin()
        {
            var stmtHande       = new EPStatementHandle(1, "id", null, StatementType.SELECT, "text", false, null, 1, false, false, new MultiMatchHandlerFactoryImpl().GetDefaultHandler());
            var stmtAgentHandle = new EPStatementAgentInstanceHandle(stmtHande, ReaderWriterLockManager.CreateDefaultLock(), -1, null, null);

            _streams    = new EventStream[4];
            _streams[0] = _streamFactoryService.CreateStream(1, _filterSpecs[0], _supportFilterService, stmtAgentHandle, false, null, false, false, null, false, 0, false).First;
            _streams[1] = _streamFactoryService.CreateStream(2, _filterSpecs[0], _supportFilterService, stmtAgentHandle, false, null, false, false, null, false, 0, false).First;
            _streams[2] = _streamFactoryService.CreateStream(3, _filterSpecs[1], _supportFilterService, stmtAgentHandle, false, null, false, false, null, false, 0, false).First;
            _streams[3] = _streamFactoryService.CreateStream(4, _filterSpecs[2], _supportFilterService, stmtAgentHandle, false, null, false, false, null, false, 0, false).First;

            _streamFactoryService.DropStream(_filterSpecs[0], _supportFilterService, false, false, false, false);
            _streamFactoryService.DropStream(_filterSpecs[1], _supportFilterService, false, false, false, false);
            Assert.AreEqual(0, _supportFilterService.Removed.Count);

            // Filter removed
            _streamFactoryService.DropStream(_filterSpecs[0], _supportFilterService, false, false, false, false);
            Assert.AreEqual(1, _supportFilterService.Removed.Count);

            _streamFactoryService.DropStream(_filterSpecs[2], _supportFilterService, false, false, false, false);
            Assert.AreEqual(2, _supportFilterService.Removed.Count);

            // Something already removed
            try
            {
                _streamFactoryService.DropStream(_filterSpecs[2], _supportFilterService, false, false, false, false);
                Assert.Fail();
            }
            catch (IllegalStateException)
            {
                // Expected
            }
        }
Exemplo n.º 4
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        private void ScheduleNextCallback()
        {
            var nextScheduleCallback = new ProxyScheduleHandleCallback(delegate { ContinueSendingEvents(); });
            var spi                 = (EPServiceProviderSPI)_epService;
            var metricsHandle       = spi.MetricReportingService.GetStatementHandle(-1, "AbstractCoordinatedAdapter");
            var lockImpl            = ReaderWriterLockManager.CreateLock("CSV");
            var stmtHandle          = new EPStatementHandle(-1, "AbstractCoordinatedAdapter", null, StatementType.ESPERIO, "AbstractCoordinatedAdapter", false, metricsHandle, 0, false, false, spi.ServicesContext.MultiMatchHandlerFactory.GetDefaultHandler());
            var agentInstanceHandle = new EPStatementAgentInstanceHandle(stmtHandle, lockImpl, -1, new StatementAgentInstanceFilterVersion(), null);
            var scheduleCSVHandle   = new EPStatementHandleCallback(agentInstanceHandle, nextScheduleCallback);

            ScheduleSlot nextScheduleSlot;

            if (EventsToSend.IsEmpty())
            {
                if ((ExecutionPathDebugLog.IsEnabled) && (Log.IsDebugEnabled))
                {
                    Log.Debug(".scheduleNextCallback no events to send, scheduling callback in 100 ms");
                }
                nextScheduleSlot = new ScheduleSlot(0, 0);
                _schedulingService.Add(100, scheduleCSVHandle, nextScheduleSlot);
            }
            else
            {
                // Offset is not a function of the currentTime alone.
                var  first     = EventsToSend.First();
                long baseMsec  = _currentTime - _startTime;
                long afterMsec = first.SendTime - baseMsec;
                nextScheduleSlot = first.ScheduleSlot;
                if ((ExecutionPathDebugLog.IsEnabled) && (Log.IsDebugEnabled))
                {
                    Log.Debug(".scheduleNextCallback schedulingCallback in " + afterMsec + " milliseconds");
                }
                _schedulingService.Add(afterMsec, scheduleCSVHandle, nextScheduleSlot);
            }
        }
Exemplo n.º 5
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 public RouteResultView(
     bool isFirst,
     EventType eventType,
     EPStatementHandle epStatementHandle,
     InternalEventRouter internalEventRouter,
     TableInstance[] tableInstances,
     OnSplitItemEval[] items,
     ResultSetProcessor[] processors,
     AgentInstanceContext agentInstanceContext)
 {
     exprEvaluatorContext = agentInstanceContext;
     EventType = eventType;
     if (isFirst) {
         handler = new RouteResultViewHandlerFirst(
             epStatementHandle,
             internalEventRouter,
             tableInstances,
             items,
             processors,
             agentInstanceContext);
     }
     else {
         handler = new RouteResultViewHandlerAll(
             epStatementHandle,
             internalEventRouter,
             tableInstances,
             items,
             processors,
             agentInstanceContext);
     }
 }
Exemplo n.º 6
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 public EPStatementAgentInstanceHandle(EPStatementHandle statementHandle, IReaderWriterLock statementAgentInstanceLock, int agentInstanceId, StatementAgentInstanceFilterVersion statementFilterVersion)
 {
     StatementHandle             = statementHandle;
     _statementAgentInstanceLock = statementAgentInstanceLock;
     AgentInstanceId             = agentInstanceId;
     _hashCode = 31 * statementHandle.GetHashCode() + agentInstanceId;
     StatementFilterVersion = statementFilterVersion;
 }
Exemplo n.º 7
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 public RouteResultViewHandlerFirst(
     EPStatementHandle epStatementHandle,
     InternalEventRouter internalEventRouter,
     TableInstance[] tableInstances,
     OnSplitItemEval[] items,
     ResultSetProcessor[] processors,
     AgentInstanceContext agentInstanceContext)
     : base(epStatementHandle, internalEventRouter, tableInstances, items, processors, agentInstanceContext)
 {
 }
Exemplo n.º 8
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 public TableOnSelectViewFactory(TableMetadata tableMetadata, InternalEventRouter internalEventRouter, EPStatementHandle statementHandle, EventBeanReader eventBeanReader, bool distinct, StatementResultService statementResultService, InternalEventRouteDest internalEventRouteDest, bool deleteAndSelect)
 {
     _tableMetadata = tableMetadata;
     InternalEventRouter = internalEventRouter;
     StatementHandle = statementHandle;
     EventBeanReader = eventBeanReader;
     IsDistinct = distinct;
     StatementResultService = statementResultService;
     InternalEventRouteDest = internalEventRouteDest;
     _deleteAndSelect = deleteAndSelect;
 }
 /// <summary>
 /// Ctor.
 /// </summary>
 /// <param name="epStatementHandle">handle</param>
 /// <param name="internalEventRouter">routes generated events</param>
 /// <param name="tableStateInstances"></param>
 /// <param name="isNamedWindowInsert">The is named window insert.</param>
 /// <param name="processors">select clauses</param>
 /// <param name="whereClauses">where clauses</param>
 /// <param name="agentInstanceContext">agent instance context</param>
 public RouteResultViewHandlerFirst(EPStatementHandle epStatementHandle, InternalEventRouter internalEventRouter, TableStateInstance[] tableStateInstances, bool[] isNamedWindowInsert, ResultSetProcessor[] processors, ExprEvaluator[] whereClauses, AgentInstanceContext agentInstanceContext)
 {
     _internalEventRouter  = internalEventRouter;
     _tableStateInstances  = tableStateInstances;
     _isNamedWindowInsert  = isNamedWindowInsert;
     _epStatementHandle    = epStatementHandle;
     _processors           = processors;
     _whereClauses         = whereClauses;
     _agentInstanceContext = agentInstanceContext;
     _audit = AuditEnum.INSERT.GetAudit(agentInstanceContext.StatementContext.Annotations) != null;
 }
Exemplo n.º 10
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 public EPStatementAgentInstanceHandle(EPStatementHandle statementHandle, IReaderWriterLock statementAgentInstanceLock, int agentInstanceId, StatementAgentInstanceFilterVersion statementFilterVersion, FilterFaultHandlerFactory filterFaultHandlerFactory)
 {
     StatementHandle             = statementHandle;
     _statementAgentInstanceLock = statementAgentInstanceLock;
     AgentInstanceId             = agentInstanceId;
     _hashCode = 31 * statementHandle.GetHashCode() + agentInstanceId;
     StatementFilterVersion = statementFilterVersion;
     if (filterFaultHandlerFactory != null)
     {
         FilterFaultHandler = filterFaultHandlerFactory.MakeFilterFaultHandler();
     }
 }
Exemplo n.º 11
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 public RouteResultViewHandlerFirst(
     EPStatementHandle epStatementHandle,
     InternalEventRouter internalEventRouter,
     TableStateInstance[] tableStateInstances,
     EPStatementStartMethodOnTriggerItem[] items,
     ResultSetProcessor[] processors,
     ExprEvaluator[] whereClauses,
     AgentInstanceContext agentInstanceContext)
     : base(
         epStatementHandle, internalEventRouter, tableStateInstances, items, processors, whereClauses,
         agentInstanceContext)
 {
 }
Exemplo n.º 12
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 public NamedWindowOnSelectViewFactory(EventType namedWindowEventType, InternalEventRouter internalEventRouter, bool addToFront, EPStatementHandle statementHandle, EventBeanReader eventBeanReader, bool distinct, StatementResultService statementResultService, InternalEventRouteDest internalEventRouteDest, bool deleteAndSelect, StreamSelector?optionalStreamSelector, string optionalInsertIntoTableName)
     : base(namedWindowEventType)
 {
     InternalEventRouter          = internalEventRouter;
     IsAddToFront                 = addToFront;
     StatementHandle              = statementHandle;
     EventBeanReader              = eventBeanReader;
     IsDistinct                   = distinct;
     StatementResultService       = statementResultService;
     InternalEventRouteDest       = internalEventRouteDest;
     _deleteAndSelect             = deleteAndSelect;
     OptionalStreamSelector       = optionalStreamSelector;
     _optionalInsertIntoTableName = optionalInsertIntoTableName;
 }
Exemplo n.º 13
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        /// <summary>Register an adapter. </summary>
        /// <param name="epService">engine</param>
        public void RegisterAdapter(EPServiceProvider epService)
        {
            var spi       = (EPServiceProviderSPI)epService;
            var eventType = spi.EventAdapterService.GetEventTypeByName(EventTypeName);
            var fvs       = new FilterSpecCompiled(eventType, null, new IList <FilterSpecParam> [0], null).GetValueSet(null, null, null);

            var name            = "subscription:" + SubscriptionName;
            var metricsHandle   = spi.MetricReportingService.GetStatementHandle(name, name);
            var statementHandle = new EPStatementHandle(name, name, name, StatementType.ESPERIO, name, false, metricsHandle, 0, false, false, MultiMatchHandlerFactory.DefaultHandler);
            var agentHandle     = new EPStatementAgentInstanceHandle(statementHandle, ReaderWriterLockManager.CreateDefaultLock(), -1, new StatementAgentInstanceFilterVersion());
            var registerHandle  = new EPStatementHandleCallback(agentHandle, this);

            spi.FilterService.Add(fvs, registerHandle);
        }
Exemplo n.º 14
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        public void SetUp()
        {
            _container   = SupportContainer.Reset();
            _handle      = new EPStatementHandle(1, "name", "text", StatementType.SELECT, "text", false, null, 1, false, false, new MultiMatchHandlerFactoryImpl().GetDefaultHandler());
            _agentHandle = new EPStatementAgentInstanceHandle(_handle, _container.RWLockManager().CreateDefaultLock(), -1, null, null);

            _supportFilterService = new SupportFilterServiceImpl();
            _streamFactoryService = new StreamFactorySvcImpl("default", true);
            var eventType = SupportEventTypeFactory.CreateBeanType(typeof(SupportBean));

            _filterSpecs    = new FilterSpecCompiled[3];
            _filterSpecs[0] = SupportFilterSpecBuilder.Build(eventType, new Object[] { "string", FilterOperator.EQUAL, "a" });
            _filterSpecs[1] = SupportFilterSpecBuilder.Build(eventType, new Object[] { "string", FilterOperator.EQUAL, "a" });
            _filterSpecs[2] = SupportFilterSpecBuilder.Build(eventType, new Object[] { "string", FilterOperator.EQUAL, "b" });
        }
Exemplo n.º 15
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 public RouteResultViewHandlerBase(
     EPStatementHandle epStatementHandle,
     InternalEventRouter internalEventRouter,
     TableInstance[] tableStateInstances,
     OnSplitItemEval[] items,
     ResultSetProcessor[] processors,
     AgentInstanceContext agentInstanceContext)
 {
     this.internalEventRouter = internalEventRouter;
     this.tableStateInstances = tableStateInstances;
     this.items = items;
     this.epStatementHandle = epStatementHandle;
     this.processors = processors;
     this.agentInstanceContext = agentInstanceContext;
     audit = AuditEnum.INSERT.GetAudit(agentInstanceContext.Annotations) != null;
 }
Exemplo n.º 16
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 public TableOnMergeActionIns(
     ExprEvaluator optionalFilter,
     SelectExprProcessor insertHelper,
     InternalEventRouter internalEventRouter,
     EPStatementHandle statementHandle,
     InternalEventRouteDest internalEventRouteDest,
     bool audit,
     TableStateRowFactory tableStateRowFactory)
     : base(optionalFilter)
 {
     _insertHelper           = insertHelper;
     _internalEventRouter    = internalEventRouter;
     _statementHandle        = statementHandle;
     _internalEventRouteDest = internalEventRouteDest;
     _audit = audit;
     _tableStateRowFactory = tableStateRowFactory;
 }
Exemplo n.º 17
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 protected RouteResultViewHandlerBase(
     EPStatementHandle epStatementHandle,
     InternalEventRouter internalEventRouter,
     TableStateInstance[] tableStateInstances,
     EPStatementStartMethodOnTriggerItem[] items,
     ResultSetProcessor[] processors,
     ExprEvaluator[] whereClauses,
     AgentInstanceContext agentInstanceContext)
 {
     InternalEventRouter  = internalEventRouter;
     _tableStateInstances = tableStateInstances;
     Items                = items;
     EPStatementHandle    = epStatementHandle;
     Processors           = processors;
     WhereClauses         = whereClauses;
     AgentInstanceContext = agentInstanceContext;
     Audit                = AuditEnum.INSERT.GetAudit(agentInstanceContext.StatementContext.Annotations) != null;
 }
Exemplo n.º 18
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 public OutputStrategyPostProcessFactory(
     bool route,
     SelectClauseStreamSelectorEnum?insertIntoStreamSelector,
     SelectClauseStreamSelectorEnum selectStreamDirEnum,
     InternalEventRouter internalEventRouter,
     EPStatementHandle epStatementHandle,
     bool addToFront,
     TableService tableService,
     string tableName)
 {
     IsRoute = route;
     InsertIntoStreamSelector = insertIntoStreamSelector;
     SelectStreamDirEnum      = selectStreamDirEnum;
     InternalEventRouter      = internalEventRouter;
     EpStatementHandle        = epStatementHandle;
     IsAddToFront             = addToFront;
     TableService             = tableService;
     TableName = tableName;
 }
Exemplo n.º 19
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 public NamedWindowOnMergeActionIns(
     ExprEvaluator optionalFilter,
     SelectExprProcessor insertHelper,
     InternalEventRouter internalEventRouter,
     String insertIntoTableName,
     TableService tableService,
     EPStatementHandle statementHandle,
     InternalEventRouteDest internalEventRouteDest,
     bool audit)
     : base(optionalFilter)
 {
     _insertHelper           = insertHelper;
     _internalEventRouter    = internalEventRouter;
     _insertIntoTableName    = insertIntoTableName;
     _tableService           = tableService;
     _statementHandle        = statementHandle;
     _internalEventRouteDest = internalEventRouteDest;
     _audit = audit;
 }
Exemplo n.º 20
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        public void TestCreateNoJoin()
        {
            var stmtHande       = new EPStatementHandle(1, "id", null, StatementType.SELECT, "text", false, null, 1, false, false, new MultiMatchHandlerFactoryImpl().GetDefaultHandler());
            var stmtAgentHandle = new EPStatementAgentInstanceHandle(stmtHande, ReaderWriterLockManager.CreateDefaultLock(), -1, null, null);

            _streams    = new EventStream[4];
            _streams[0] = _streamFactoryService.CreateStream(1, _filterSpecs[0], _supportFilterService, stmtAgentHandle, false, null, false, false, null, false, 0, false).First;
            _streams[1] = _streamFactoryService.CreateStream(2, _filterSpecs[0], _supportFilterService, stmtAgentHandle, false, null, false, false, null, false, 0, false).First;
            _streams[2] = _streamFactoryService.CreateStream(3, _filterSpecs[1], _supportFilterService, stmtAgentHandle, false, null, false, false, null, false, 0, false).First;
            _streams[3] = _streamFactoryService.CreateStream(4, _filterSpecs[2], _supportFilterService, stmtAgentHandle, false, null, false, false, null, false, 0, false).First;

            // Streams are reused
            Assert.AreSame(_streams[0], _streams[1]);
            Assert.AreSame(_streams[0], _streams[2]);
            Assert.AreNotSame(_streams[0], _streams[3]);

            // Type is ok
            Assert.AreEqual(typeof(SupportBean), _streams[0].EventType.UnderlyingType);

            // 2 filters are active now
            Assert.AreEqual(2, _supportFilterService.Added.Count);
        }
Exemplo n.º 21
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        private void ScheduleNextCallback()
        {
            var nextScheduleCallback = new ProxyScheduleHandleCallback(delegate { ContinueSendingEvents(); });
            var spi           = (EPRuntimeSPI)_runtime;
            var deploymentId  = "CSV-adapter-" + UuidGenerator.Generate();
            var metricsHandle = spi.ServicesContext.MetricReportingService.GetStatementHandle(-1, deploymentId, "AbstractCoordinatedAdapter");
            var lockImpl      = _container.RWLockManager().CreateLock("CSV");
            var stmtHandle    = new EPStatementHandle(
                "AbstractCoordinatedAdapter", deploymentId, -1, null, 0, false, false,
                spi.ServicesContext.MultiMatchHandlerFactory.Make(false, false), false, false, metricsHandle, null, null);
            var agentInstanceHandle = new EPStatementAgentInstanceHandle(stmtHandle, -1, lockImpl);
            var scheduleCSVHandle   = new EPStatementHandleCallbackSchedule(agentInstanceHandle, nextScheduleCallback);

            long nextScheduleSlot;

            if (EventsToSend.IsEmpty())
            {
                if ((ExecutionPathDebugLog.IsDebugEnabled) && (Log.IsDebugEnabled))
                {
                    Log.Debug(".scheduleNextCallback no events to send, scheduling callback in 100 ms");
                }
                nextScheduleSlot = 0L;
                _schedulingService.Add(100, scheduleCSVHandle, nextScheduleSlot);
            }
            else
            {
                // Offset is not a function of the currentTime alone.
                var  first     = EventsToSend.First();
                long baseMsec  = _currentTime - _startTime;
                long afterMsec = first.SendTime - baseMsec;
                nextScheduleSlot = first.ScheduleSlot;
                if ((ExecutionPathDebugLog.IsDebugEnabled) && (Log.IsDebugEnabled))
                {
                    Log.Debug(".scheduleNextCallback schedulingCallback in " + afterMsec + " milliseconds");
                }
                _schedulingService.Add(afterMsec, scheduleCSVHandle, nextScheduleSlot);
            }
        }
Exemplo n.º 22
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 public void Route(EventBean theEvent, EPStatementHandle statementHandle, InternalEventRouteDest routeDest, ExprEvaluatorContext exprEvaluatorContext, bool addToFront)
 {
     _routed.Add(theEvent);
 }
Exemplo n.º 23
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 public void QRouteBetweenStmt(EventBean theEvent, EPStatementHandle epStatementHandle, bool addToFront)
 {
 }
Exemplo n.º 24
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 public TestStreamFactorySvcImpl()
 {
     _handle      = new EPStatementHandle(1, "name", "text", StatementType.SELECT, "text", false, null, 1, false, false, new MultiMatchHandlerFactoryImpl().GetDefaultHandler());
     _agentHandle = new EPStatementAgentInstanceHandle(_handle, ReaderWriterLockManager.CreateDefaultLock(), -1, null, null);
 }
Exemplo n.º 25
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        private static StatementLightweight InitStatement(
            bool recovery,
            string moduleName,
            StatementProvider statementProvider,
            string deploymentId,
            int statementId,
            EventTypeResolver eventTypeResolver,
            ModuleIncidentals moduleIncidentals,
            StatementNameRuntimeOption statementNameResolverRuntime,
            StatementUserObjectRuntimeOption userObjectResolverRuntime,
            ClassLoader moduleClassLoader,
            EPServicesContext services)
        {
            var informationals = statementProvider.Informationals;

            // set instrumentation unless already provided
            if (informationals.InstrumentationProvider == null)
            {
                informationals.InstrumentationProvider = InstrumentationDefault.INSTANCE;
            }

            var statementResultService = new StatementResultServiceImpl(informationals, services);
            FilterSharedLookupableRegistery filterSharedLookupableRegistery = new ProxyFilterSharedLookupableRegistery()
            {
                ProcRegisterLookupable = (
                    eventTypeX,
                    lookupable) => {
                    services.FilterSharedLookupableRepository.RegisterLookupable(statementId, eventTypeX, lookupable);
                },
            };

            FilterSharedBoolExprRegistery filterSharedBoolExprRegistery = new ProxyFilterSharedBoolExprRegistery()
            {
                ProcRegisterBoolExpr = (node) => { services.FilterSharedBoolExprRepository.RegisterBoolExpr(statementId, node); },
            };

            IDictionary <int, FilterSpecActivatable> filterSpecActivatables        = new Dictionary <int, FilterSpecActivatable>();
            FilterSpecActivatableRegistry            filterSpecActivatableRegistry = new ProxyFilterSpecActivatableRegistry()
            {
                ProcRegister = (filterSpecActivatable) => { filterSpecActivatables.Put(filterSpecActivatable.FilterCallbackId, filterSpecActivatable); },
            };

            var contextPartitioned       = informationals.OptionalContextName != null;
            var statementResourceService = new StatementResourceService(contextPartitioned);

            // determine statement name
            var statementName = informationals.StatementNameCompileTime;

            if (statementNameResolverRuntime != null)
            {
                string statementNameAssigned = statementNameResolverRuntime.Invoke(
                    new StatementNameRuntimeContext(
                        deploymentId,
                        statementName,
                        statementId,
                        (string)informationals.Properties.Get(StatementProperty.EPL),
                        informationals.Annotations));
                if (statementNameAssigned != null)
                {
                    statementName = statementNameAssigned;
                }
            }

            statementName = statementName.Trim();

            var epInitServices = new EPStatementInitServicesImpl(
                statementName,
                informationals.Properties,
                informationals.Annotations,
                deploymentId,
                eventTypeResolver,
                filterSpecActivatableRegistry,
                filterSharedBoolExprRegistery,
                filterSharedLookupableRegistery,
                moduleIncidentals,
                recovery,
                statementResourceService,
                statementResultService,
                services);

            if (!services.EpServicesHA.RuntimeExtensionServices.IsHAEnabled)
            {
                statementProvider.Initialize(epInitServices);
            }
            else
            {
                // for HA we set the context classloader as state may be loaded considering the module provider's classloader
                // - NEsper doesn't support HA like this, and we wouldn't want to deliver this information in
                // - this manner.  An alternative delivery mechanism must be established to carry the information
                // - without relying on the "current" thread to carry that detail.

                // ClassLoader originalClassLoader = Thread.CurrentThread().ContextClassLoader;
                // try {
                //  Thread.CurrentThread().ContextClassLoader = moduleClassLoader;
                //  statementProvider.Initialize(epInitServices);
                // }
                // finally {
                //  Thread.CurrentThread().ContextClassLoader = originalClassLoader;
                // }
            }

            var multiMatchHandler = services.MultiMatchHandlerFactory.Make(informationals.HasSubquery, informationals.IsNeedDedup);

            var stmtMetric = services.MetricReportingService.GetStatementHandle(statementId, deploymentId, statementName);

            var optionalEPL = (string)informationals.Properties.Get(StatementProperty.EPL);
            InsertIntoLatchFactory insertIntoFrontLatchFactory = null;
            InsertIntoLatchFactory insertIntoBackLatchFactory  = null;

            if (informationals.InsertIntoLatchName != null)
            {
                var latchFactoryNameBack  = "insert_stream_B_" + informationals.InsertIntoLatchName + "_" + statementName;
                var latchFactoryNameFront = "insert_stream_F_" + informationals.InsertIntoLatchName + "_" + statementName;
                var msecTimeout           = services.RuntimeSettingsService.ConfigurationRuntime.Threading.InsertIntoDispatchTimeout;
                var locking           = services.RuntimeSettingsService.ConfigurationRuntime.Threading.InsertIntoDispatchLocking;
                var latchFactoryFront = new InsertIntoLatchFactory(
                    latchFactoryNameFront,
                    informationals.IsStateless,
                    msecTimeout,
                    locking,
                    services.TimeSourceService);
                var latchFactoryBack = new InsertIntoLatchFactory(
                    latchFactoryNameBack,
                    informationals.IsStateless,
                    msecTimeout,
                    locking,
                    services.TimeSourceService);
                insertIntoFrontLatchFactory = latchFactoryFront;
                insertIntoBackLatchFactory  = latchFactoryBack;
            }

            var statementHandle = new EPStatementHandle(
                statementName,
                deploymentId,
                statementId,
                optionalEPL,
                informationals.Priority,
                informationals.IsPreemptive,
                informationals.IsCanSelfJoin,
                multiMatchHandler,
                informationals.HasVariables,
                informationals.HasTableAccess,
                stmtMetric,
                insertIntoFrontLatchFactory,
                insertIntoBackLatchFactory);

            // determine context
            StatementAIResourceRegistry statementAgentInstanceRegistry = null;
            ContextRuntimeDescriptor    contextRuntimeDescriptor       = null;
            var optionalContextName = informationals.OptionalContextName;

            if (optionalContextName != null)
            {
                var contextDeploymentId = ContextDeployTimeResolver.ResolveContextDeploymentId(
                    informationals.OptionalContextModuleName,
                    informationals.OptionalContextVisibility,
                    optionalContextName,
                    deploymentId,
                    services.ContextPathRegistry);
                var contextManager = services.ContextManagementService.GetContextManager(contextDeploymentId, optionalContextName);
                contextRuntimeDescriptor = contextManager.ContextRuntimeDescriptor;
                var registryRequirements = statementProvider.StatementAIFactoryProvider.Factory.RegistryRequirements;
                statementAgentInstanceRegistry = contextManager.AllocateAgentInstanceResourceRegistry(registryRequirements);
            }

            var statementCPCacheService = new StatementCPCacheService(
                contextPartitioned,
                statementResourceService,
                statementAgentInstanceRegistry);

            var eventType = statementProvider.StatementAIFactoryProvider.Factory.StatementEventType;

            var configurationThreading = services.RuntimeSettingsService.ConfigurationRuntime.Threading;
            var preserveDispatchOrder  = configurationThreading.IsListenerDispatchPreserveOrder && !informationals.IsStateless;
            var isSpinLocks            = configurationThreading.ListenerDispatchLocking == Locking.SPIN;
            var msecBlockingTimeout    = configurationThreading.ListenerDispatchTimeout;
            UpdateDispatchViewBase dispatchChildView;

            if (preserveDispatchOrder)
            {
                if (isSpinLocks)
                {
                    dispatchChildView = new UpdateDispatchViewBlockingSpin(
                        eventType,
                        statementResultService,
                        services.DispatchService,
                        msecBlockingTimeout,
                        services.TimeSourceService);
                }
                else
                {
                    dispatchChildView = new UpdateDispatchViewBlockingWait(eventType, statementResultService, services.DispatchService, msecBlockingTimeout);
                }
            }
            else
            {
                dispatchChildView = new UpdateDispatchViewNonBlocking(eventType, statementResultService, services.DispatchService);
            }

            var countSubexpressions = services.ConfigSnapshot.Runtime.Patterns.MaxSubexpressions != null;
            PatternSubexpressionPoolStmtSvc patternSubexpressionPoolStmtSvc = null;

            if (countSubexpressions)
            {
                var stmtCounter = new PatternSubexpressionPoolStmtHandler();
                patternSubexpressionPoolStmtSvc = new PatternSubexpressionPoolStmtSvc(services.PatternSubexpressionPoolRuntimeSvc, stmtCounter);
                services.PatternSubexpressionPoolRuntimeSvc.AddPatternContext(statementId, statementName, stmtCounter);
            }

            var countMatchRecogStates = services.ConfigSnapshot.Runtime.MatchRecognize.MaxStates != null;
            RowRecogStatePoolStmtSvc rowRecogStatePoolStmtSvc = null;

            if (countMatchRecogStates && informationals.HasMatchRecognize)
            {
                var stmtCounter = new RowRecogStatePoolStmtHandler();
                rowRecogStatePoolStmtSvc = new RowRecogStatePoolStmtSvc(services.RowRecogStatePoolEngineSvc, stmtCounter);
                services.RowRecogStatePoolEngineSvc.AddPatternContext(new DeploymentIdNamePair(deploymentId, statementName), stmtCounter);
            }

            // get user object for runtime
            object userObjectRuntime = null;

            if (userObjectResolverRuntime != null)
            {
                userObjectRuntime = userObjectResolverRuntime.GetUserObject(
                    new StatementUserObjectRuntimeContext(
                        deploymentId,
                        statementName,
                        statementId,
                        (string)informationals.Properties.Get(StatementProperty.EPL),
                        informationals.Annotations));
            }

            var statementContext = new StatementContext(
                services.Container,
                contextRuntimeDescriptor,
                deploymentId,
                statementId,
                statementName,
                moduleName,
                informationals,
                userObjectRuntime,
                services.StatementContextRuntimeServices,
                statementHandle,
                filterSpecActivatables,
                patternSubexpressionPoolStmtSvc,
                rowRecogStatePoolStmtSvc,
                new ScheduleBucket(statementId),
                statementAgentInstanceRegistry,
                statementCPCacheService,
                statementProvider.StatementAIFactoryProvider,
                statementResultService,
                dispatchChildView,
                services.FilterService,
                services.SchedulingService,
                services.InternalEventRouteDest
                );

            foreach (var readyCallback in epInitServices.ReadyCallbacks)
            {
                readyCallback.Ready(statementContext, moduleIncidentals, recovery);
            }

            return(new StatementLightweight(statementProvider, informationals, statementResultService, statementContext));
        }