Examples of com.espertech.esper.epl.core.ResultSetProcessorFactoryDesc

com.espertech.esper.epl.core.ResultSetProcessorFactoryDesc
Processor prototype for result sets for instances that apply the select-clause, group-by-clause and having-clauses as supplied.

            // split-stream use case
            else
            {
                ResultSetProcessor[] processors = new ResultSetProcessor[splitDesc.getProcessorFactories().length];
                for (int i = 0; i < processors.length; i++) {
                    ResultSetProcessorFactoryDesc factory = splitDesc.getProcessorFactories()[i];
                    ResultSetProcessor processor = factory.getResultSetProcessorFactory().instantiate(null, null, agentInstanceContext);
                    processors[i] = processor;
                }


                OnTriggerSplitStreamDesc desc = (OnTriggerSplitStreamDesc) statementSpec.getOnTriggerDesc();
                onExprView = new RouteResultView(desc.isFirst(), activatorResultEventType, statementContext.getEpStatementHandle(), services.getInternalEventRouter(), splitDesc.getNamedWindowInsert(), processors, splitDesc.getWhereClauses(), statementContext);

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        statementSpec.getSelectClauseSpec().add(new SelectClauseElementWildcard());
        statementSpec.setSelectStreamDirEnum(SelectClauseStreamSelectorEnum.RSTREAM_ISTREAM_BOTH);


        // obtain result set processor factory
        StreamTypeService typeService = new StreamTypeServiceImpl(new EventType[] {processor.getNamedWindowType()}, new String[] {windowName}, new boolean[] {true}, services.getEngineURI(), false);
        ResultSetProcessorFactoryDesc resultSetProcessorPrototype = ResultSetProcessorFactoryFactory.getProcessorPrototype(
                statementSpec, statementContext, typeService, null, new boolean[0], true, null);


        // obtain factory for output limiting
        OutputProcessViewFactory outputViewFactory = OutputProcessViewFactoryFactory.make(statementSpec, services.getInternalEventRouter(), statementContext, resultSetProcessorPrototype.getResultSetProcessorFactory().getResultEventType());


        // create context factory
        StatementAgentInstanceFactoryCreateWindow contextFactory = new StatementAgentInstanceFactoryCreateWindow(statementContext, statementSpec, services, activator, unmaterializedViewChain, resultSetProcessorPrototype, outputViewFactory, isRecoveringStatement);


        Viewable finalViewable;

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            // split-stream use case
            else
            {
                ResultSetProcessor[] processors = new ResultSetProcessor[splitDesc.getProcessorFactories().length];
                for (int i = 0; i < processors.length; i++) {
                    ResultSetProcessorFactoryDesc factory = splitDesc.getProcessorFactories()[i];
                    ResultSetProcessor processor = factory.getResultSetProcessorFactory().instantiate(null, null, agentInstanceContext);
                    processors[i] = processor;
                }


                OnTriggerSplitStreamDesc desc = (OnTriggerSplitStreamDesc) statementSpec.getOnTriggerDesc();
                onExprView = new RouteResultView(desc.isFirst(), activatorResultEventType, statementContext.getEpStatementHandle(), services.getInternalEventRouter(), splitDesc.getNamedWindowInsert(), processors, splitDesc.getWhereClauses(), statementContext);

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            throw new ExprValidationException("Unknown stream specification type: " + streamSpec);
        }


        // validation
        SubSelectStrategyCollection subSelectStrategyCollection;
        ResultSetProcessorFactoryDesc resultSetProcessorPrototype = null;
        ExprNode validatedJoin = null;
        StatementAgentInstanceFactoryOnTriggerSplitDesc splitDesc = null;
        ResultSetProcessorFactoryDesc outputResultSetProcessorPrototype = null;
        EventType outputEventType = null;
        OnSetVariableViewFactory onSetVariableViewFactory = null;
        NamedWindowOnExprFactory onExprFactory = null;


        // validation: For on-delete and on-select and on-update triggers

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            throw new ExprValidationException("Unknown stream specification type: " + streamSpec);
        }


        // validation
        SubSelectStrategyCollection subSelectStrategyCollection;
        ResultSetProcessorFactoryDesc resultSetProcessorPrototype = null;
        ExprNode validatedJoin = null;
        StatementAgentInstanceFactoryOnTriggerSplitDesc splitDesc = null;
        ResultSetProcessorFactoryDesc outputResultSetProcessorPrototype = null;
        EventType outputEventType = null;
        OnSetVariableViewFactory onSetVariableViewFactory = null;
        NamedWindowOnExprFactory onExprFactory = null;


        // validation: For on-delete and on-select and on-update triggers

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            // split-stream use case
            else
            {
                ResultSetProcessor[] processors = new ResultSetProcessor[splitDesc.getProcessorFactories().length];
                for (int i = 0; i < processors.length; i++) {
                    ResultSetProcessorFactoryDesc factory = splitDesc.getProcessorFactories()[i];
                    ResultSetProcessor processor = factory.getResultSetProcessorFactory().instantiate(null, null, agentInstanceContext);
                    processors[i] = processor;
                }


                OnTriggerSplitStreamDesc desc = (OnTriggerSplitStreamDesc) statementSpec.getOnTriggerDesc();
                onExprView = new RouteResultView(desc.isFirst(), activatorResultEventType, statementContext.getEpStatementHandle(), services.getInternalEventRouter(), splitDesc.getNamedWindowInsert(), processors, splitDesc.getWhereClauses(), agentInstanceContext);

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            statementSpec.getSelectClauseSpec().setSelectExprList(new SelectClauseElementWildcard());
            statementSpec.setSelectStreamDirEnum(SelectClauseStreamSelectorEnum.RSTREAM_ISTREAM_BOTH);


            // obtain result set processor factory
            StreamTypeService typeService = new StreamTypeServiceImpl(new EventType[] {processor.getNamedWindowType()}, new String[] {windowName}, new boolean[] {true}, services.getEngineURI(), false);
            ResultSetProcessorFactoryDesc resultSetProcessorPrototype = ResultSetProcessorFactoryFactory.getProcessorPrototype(
                    statementSpec, statementContext, typeService, null, new boolean[0], true, null, null);


            // obtain factory for output limiting
            OutputProcessViewFactory outputViewFactory = OutputProcessViewFactoryFactory.make(statementSpec, services.getInternalEventRouter(), statementContext, resultSetProcessorPrototype.getResultSetProcessorFactory().getResultEventType(), null);


            // create context factory
            StatementAgentInstanceFactoryCreateWindow contextFactory = new StatementAgentInstanceFactoryCreateWindow(statementContext, statementSpec, services, activator, unmaterializedViewChain, resultSetProcessorPrototype, outputViewFactory, isRecoveringStatement);


            // With context - delegate instantiation to context

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            // split-stream use case
            else
            {
                ResultSetProcessor[] processors = new ResultSetProcessor[splitDesc.getProcessorFactories().length];
                for (int i = 0; i < processors.length; i++) {
                    ResultSetProcessorFactoryDesc factory = splitDesc.getProcessorFactories()[i];
                    ResultSetProcessor processor = factory.getResultSetProcessorFactory().instantiate(null, null, agentInstanceContext);
                    processors[i] = processor;
                }


                OnTriggerSplitStreamDesc desc = (OnTriggerSplitStreamDesc) statementSpec.getOnTriggerDesc();
                onExprView = new RouteResultView(desc.isFirst(), activatorResultEventType, statementContext.getEpStatementHandle(), services.getInternalEventRouter(), splitDesc.getNamedWindowInsert(), processors, splitDesc.getWhereClauses(), agentInstanceContext);

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            throw new ExprValidationException("Unknown stream specification type: " + streamSpec);
        }


        // validation
        SubSelectStrategyCollection subSelectStrategyCollection;
        ResultSetProcessorFactoryDesc resultSetProcessorPrototype = null;
        ExprNode validatedJoin = null;
        StatementAgentInstanceFactoryOnTriggerSplitDesc splitDesc = null;
        ResultSetProcessorFactoryDesc outputResultSetProcessorPrototype = null;
        EventType outputEventType = null;
        OnSetVariableViewFactory onSetVariableViewFactory = null;
        NamedWindowOnExprFactory onExprFactory = null;


        // validation: For on-delete and on-select and on-update triggers

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            throw new ExprValidationException("Unknown stream specification type: " + streamSpec);
        }


        // validation
        SubSelectStrategyCollection subSelectStrategyCollection;
        ResultSetProcessorFactoryDesc resultSetProcessorPrototype = null;
        ExprNode validatedJoin = null;
        StatementAgentInstanceFactoryOnTriggerSplitDesc splitDesc = null;
        ResultSetProcessorFactoryDesc outputResultSetProcessorPrototype = null;
        EventType outputEventType = null;
        OnSetVariableViewFactory onSetVariableViewFactory = null;
        NamedWindowOnExprFactory onExprFactory = null;


        // validation: For on-delete and on-select and on-update triggers

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Related Classes of com.espertech.esper.epl.core.ResultSetProcessorFactoryDesc

com.espertech.esper.core.context.factory.StatementAgentInstanceFactoryOnTrigger

com.espertech.esper.core.start.EPStatementStartMethodCreateWindow

com.espertech.esper.core.start.EPStatementStartMethodOnTrigger

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