Package com.espertech.esper.epl.core

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

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                for (int i = 0; i < outerEventTypesSelect.length; i++)
                {
                    Pair<EventType, String> pair = new Pair<EventType, String>(outerEventTypesSelect[i], outerEventTypeNamees[i]);
                    namesAndTypes.put(outerStreamNames[i], pair);
                }
                subselectTypeService = new StreamTypeServiceImpl(namesAndTypes, services.getEngineURI(), true, true);
                outerEventTypes = outerEventTypesSelect;
            }
            ViewResourceDelegateUnverified viewResourceDelegateSubselect = new ViewResourceDelegateUnverified();

            // Validate select expression
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            // Add a wildcard to the select clause as subscribers received the window contents
            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);
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        for (int i = 0; i < streamParameters.length; i++) {
            eventTypes[i+1] = outerEventTypesSelect[streamParameters[i]];
            streamNames[i+1] = prototype.getParametersNames().get(i);
        }

        StreamTypeServiceImpl availableTypes = new StreamTypeServiceImpl(eventTypes, streamNames, new boolean[eventTypes.length], engineURI, false);
        availableTypes.setRequireStreamNames(true);

        // apply
        subselect.setFilterSubqueryStreamTypes(availableTypes);
    }
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                allStreamIdsMatch = false;
            }
        }

        StreamTypeService streamTypeService = validationContext.getStreamTypeService();
        StreamTypeServiceImpl copyTypes = new StreamTypeServiceImpl(eventTypes, streamNames, isIStreamOnly, streamTypeService.getEngineURIQualifier(), streamTypeService.isOnDemandStreams());
        copyTypes.setRequireStreamNames(true);

        // validate expression body in this context
        try {
            ExprValidationContext expressionBodyContext = new ExprValidationContext(copyTypes, validationContext);
            expressionBodyCopy = ExprNodeUtility.getValidatedSubtree(expressionBodyCopy, expressionBodyContext);
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        this.agentInstanceContext = agentInstanceContext;

        // Validate the expression
        ExprEvaluator[] expressions = new ExprEvaluator[scheduleSpecExpressionList.size()];
        int count = 0;
        ExprValidationContext validationContext = new ExprValidationContext(new StreamTypeServiceImpl(agentInstanceContext.getStatementContext().getEngineURI(), false), agentInstanceContext.getStatementContext().getMethodResolutionService(), null, agentInstanceContext.getStatementContext().getSchedulingService(), agentInstanceContext.getStatementContext().getVariableService(), agentInstanceContext, agentInstanceContext.getStatementContext().getEventAdapterService(), agentInstanceContext.getStatementContext().getStatementName(), agentInstanceContext.getStatementContext().getStatementId(), agentInstanceContext.getStatementContext().getAnnotations(), agentInstanceContext.getStatementContext().getContextDescriptor(), false);
        for (ExprNode parameters : scheduleSpecExpressionList)
        {
            ExprNode node = ExprNodeUtility.getValidatedSubtree(parameters, validationContext);
            expressions[count++] = node.getExprEvaluator();
        }
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        boolean isDistinct = statementSpec.getSelectClauseSpec().isDistinct();
        boolean isGrouped = statementSpec.getGroupByExpressions() != null && statementSpec.getGroupByExpressions().length > 0;

        if (outputLimitSpec != null) {
            ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);
            ExprValidationContext validationContext = new ExprValidationContext(new StreamTypeServiceImpl(statementContext.getEngineURI(), false), statementContext.getMethodResolutionService(), null, statementContext.getTimeProvider(), statementContext.getVariableService(), evaluatorContextStmt, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor(), false);
            if (outputLimitSpec.getAfterTimePeriodExpr() != null) {
                ExprTimePeriod timePeriodExpr = (ExprTimePeriod) ExprNodeUtility.getValidatedSubtree(outputLimitSpec.getAfterTimePeriodExpr(), validationContext);
                outputLimitSpec.setAfterTimePeriodExpr(timePeriodExpr);
            }
            if (outputLimitSpec.getTimePeriodExpr() != null) {
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            // preload view for stream
            Collection<EventBean> eventsInWindow;
            if (namedSpec.getFilterExpressions() != null && !namedSpec.getFilterExpressions().isEmpty()) {

                try {
                    StreamTypeServiceImpl types = new StreamTypeServiceImpl(consumerView.getEventType(), consumerView.getEventType().getName(), false, services.getEngineURI());
                    LinkedHashMap<String, Pair<EventType, String>> tagged = new LinkedHashMap<String, Pair<EventType, String>>();
                    FilterSpecCompiled filterSpecCompiled = FilterSpecCompiler.makeFilterSpec(types.getEventTypes()[0], types.getStreamNames()[0],
                            namedSpec.getFilterExpressions(), null, tagged, tagged, types, null, agentInstanceContext.getStatementContext(), Collections.singleton(0));
                    Collection<EventBean> snapshot = consumerView.snapshotNoLock(filterSpecCompiled, agentInstanceContext.getStatementContext().getAnnotations());
                    eventsInWindow = new ArrayList<EventBean>(snapshot.size());
                    ExprNodeUtility.applyFilterExpressionsIterable(snapshot, namedSpec.getFilterExpressions(), agentInstanceContext, eventsInWindow);
                }
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                for (int i = 0; i < outerEventTypesSelect.length; i++)
                {
                    Pair<EventType, String> pair = new Pair<EventType, String>(outerEventTypesSelect[i], outerEventTypeNamees[i]);
                    namesAndTypes.put(outerStreamNames[i], pair);
                }
                subselectTypeService = new StreamTypeServiceImpl(namesAndTypes, services.getEngineURI(), true, true);
                outerEventTypes = outerEventTypesSelect;
            }
            ViewResourceDelegateUnverified viewResourceDelegateSubselect = new ViewResourceDelegateUnverified();

            // Validate select expression
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        {
            // Validate where clause, initializing nodes to the stream ids used
            try
            {
                EventType outputLimitType = OutputConditionExpressionFactory.getBuiltInEventType(statementContext.getEventAdapterService());
                StreamTypeService typeServiceOutputWhen = new StreamTypeServiceImpl(new EventType[] {outputLimitType}, new String[]{null}, new boolean[] {true}, statementContext.getEngineURI(), false);
                ExprValidationContext validationContext = new ExprValidationContext(typeServiceOutputWhen, methodResolutionService, null, statementContext.getSchedulingService(), statementContext.getVariableService(), evaluatorContextStmt, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor(), false);

                ExprNode outputLimitWhenNode = statementSpec.getOutputLimitSpec().getWhenExpressionNode();
                if (outputLimitWhenNode != null) {
                    outputLimitWhenNode = ExprNodeUtility.getValidatedSubtree(outputLimitWhenNode, validationContext);
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    }

    public EPPreparedExecuteSingleStreamExec getExecutor(FilterSpecCompiled filter, String aliasName) {
        FireAndForgetSpecUpdate updateSpec = (FireAndForgetSpecUpdate) statementSpec.getFireAndForgetSpec();

        StreamTypeServiceImpl assignmentTypeService = new StreamTypeServiceImpl(
                new EventType[] {processor.getNamedWindowType(), null, processor.getNamedWindowType()},
                new String[] {aliasName, "", EPStatementStartMethodOnTrigger.INITIAL_VALUE_STREAM_NAME},
                new boolean[] {true, true, true}, services.getEngineURI(), true);
        assignmentTypeService.setStreamZeroUnambigous(true);
        ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);
        ExprValidationContext validationContext = new ExprValidationContext(assignmentTypeService, statementContext.getMethodResolutionService(), null, statementContext.getSchedulingService(), statementContext.getVariableService(), evaluatorContextStmt, statementContext.getEventAdapterService(), statementContext.getStatementName(), statementContext.getStatementId(), statementContext.getAnnotations(), statementContext.getContextDescriptor(), false);

        // validate update expressions
        try {
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Related Classes of com.espertech.esper.epl.core.StreamTypeServiceImpl

  • com.espertech.esper.client.EventPropertyDescriptor
  • com.espertech.esper.client.EventType
  • com.espertech.esper.client.FragmentEventType
  • com.espertech.esper.core.context.subselect.SubSelectStrategyFactoryLocalViewPreloaded
  • com.espertech.esper.core.EPPreparedExecuteMethod
  • com.espertech.esper.core.service.StatementLifecycleSvcImpl
  • com.espertech.esper.core.start.EPPreparedExecuteSingleStream
  • com.espertech.esper.core.start.EPPreparedExecuteSingleStreamUpdate
  • com.espertech.esper.core.start.EPStatementStartMethodCreateContext
  • com.espertech.esper.core.start.EPStatementStartMethodCreateWindow
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