Examples of com.espertech.esper.pattern.EvalRootFactoryNode

com.espertech.esper.pattern.EvalRootFactoryNode
This class is always the root node in the evaluation tree representing an event expression. It hold the handle to the EPStatement implementation for notifying when matches are found.

                boolean usedByChildViews = !streamSpec.getViewSpecs().isEmpty() || (statementSpec.getInsertIntoDesc() != null);
                String patternTypeName = statementContext.getStatementId() + "_pattern_" + i;
                final EventType eventType = services.getEventAdapterService().createSemiAnonymousMapType(patternTypeName, patternStreamSpec.getTaggedEventTypes(), patternStreamSpec.getArrayEventTypes(), usedByChildViews);
                unmaterializedViewChain[i] = services.getViewService().createFactories(i, eventType, streamSpec.getViewSpecs(), streamSpec.getOptions(), statementContext);


                final EvalRootFactoryNode rootFactoryNode = services.getPatternNodeFactory().makeRootNode();
                rootFactoryNode.addChildNode(patternStreamSpec.getEvalFactoryNode());


                final PatternContext patternContext = statementContext.getPatternContextFactory().createContext(statementContext, i, rootFactoryNode, !patternStreamSpec.getArrayEventTypes().isEmpty());


                // create activator
                ViewableActivator patternActivator = new ViewableActivatorPattern(patternContext, rootFactoryNode, eventType, EPStatementStartMethodHelperUtil.isConsumingFilters(patternStreamSpec.getEvalFactoryNode()));

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                boolean usedByChildViews = !streamSpec.getViewSpecs().isEmpty() || (statementSpec.getInsertIntoDesc() != null);
                String patternTypeName = statementContext.getStatementId() + "_pattern_" + i;
                final EventType eventType = services.getEventAdapterService().createSemiAnonymousMapType(patternTypeName, patternStreamSpec.getTaggedEventTypes(), patternStreamSpec.getArrayEventTypes(), usedByChildViews);
                unmaterializedViewChain[i] = services.getViewService().createFactories(i, eventType, streamSpec.getViewSpecs(), streamSpec.getOptions(), statementContext);


                final EvalRootFactoryNode rootFactoryNode = services.getPatternNodeFactory().makeRootNode();
                rootFactoryNode.addChildNode(patternStreamSpec.getEvalFactoryNode());


                final PatternContext patternContext = statementContext.getPatternContextFactory().createContext(statementContext, i, rootFactoryNode, patternStreamSpec.getMatchedEventMapMeta());


                // create activator
                ViewableActivator patternActivator = new ViewableActivatorPattern(patternContext, rootFactoryNode, eventType, EPStatementStartMethodHelperUtil.isConsumingFilters(patternStreamSpec.getEvalFactoryNode()));

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            PatternStreamSpecCompiled patternStreamSpec = (PatternStreamSpecCompiled) streamSpec;
            boolean usedByChildViews = !streamSpec.getViewSpecs().isEmpty() || (statementSpec.getInsertIntoDesc() != null);
            String patternTypeName = statementContext.getStatementId() + "_patternon";
            final EventType eventType = services.getEventAdapterService().createSemiAnonymousMapType(patternTypeName, patternStreamSpec.getTaggedEventTypes(), patternStreamSpec.getArrayEventTypes(), usedByChildViews);


            EvalRootFactoryNode rootNode = services.getPatternNodeFactory().makeRootNode();
            rootNode.addChildNode(patternStreamSpec.getEvalFactoryNode());
            PatternContext patternContext = statementContext.getPatternContextFactory().createContext(statementContext, 0, rootNode, patternStreamSpec.getMatchedEventMapMeta());
            activator = new ViewableActivatorPattern(patternContext, rootNode, eventType, EPStatementStartMethodHelperUtil.isConsumingFilters(patternStreamSpec.getEvalFactoryNode()));
            activatorResultEventType = eventType;
        }
        else if (streamSpec instanceof NamedWindowConsumerStreamSpec)

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            PatternStreamSpecCompiled patternStreamSpec = (PatternStreamSpecCompiled) streamSpec;
            boolean usedByChildViews = streamSpec.getViewSpecs().length > 0 || (statementSpec.getInsertIntoDesc() != null);
            String patternTypeName = statementContext.getStatementId() + "_patternon";
            final EventType eventType = services.getEventAdapterService().createSemiAnonymousMapType(patternTypeName, patternStreamSpec.getTaggedEventTypes(), patternStreamSpec.getArrayEventTypes(), usedByChildViews);


            EvalRootFactoryNode rootNode = services.getPatternNodeFactory().makeRootNode();
            rootNode.addChildNode(patternStreamSpec.getEvalFactoryNode());
            PatternContext patternContext = statementContext.getPatternContextFactory().createContext(statementContext, 0, rootNode, patternStreamSpec.getMatchedEventMapMeta(), true);
            activator = new ViewableActivatorPattern(patternContext, rootNode, eventType, EPStatementStartMethodHelperUtil.isConsumingFilters(patternStreamSpec.getEvalFactoryNode()), false, false, false);
            activatorResultEventType = eventType;
        }
        else if (streamSpec instanceof NamedWindowConsumerStreamSpec)

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                boolean usedByChildViews = streamSpec.getViewSpecs().length > 0 || (statementSpec.getInsertIntoDesc() != null);
                String patternTypeName = statementContext.getStatementId() + "_pattern_" + i;
                final EventType eventType = services.getEventAdapterService().createSemiAnonymousMapType(patternTypeName, patternStreamSpec.getTaggedEventTypes(), patternStreamSpec.getArrayEventTypes(), usedByChildViews);
                unmaterializedViewChain[i] = services.getViewService().createFactories(i, eventType, streamSpec.getViewSpecs(), streamSpec.getOptions(), statementContext);


                final EvalRootFactoryNode rootFactoryNode = services.getPatternNodeFactory().makeRootNode();
                rootFactoryNode.addChildNode(patternStreamSpec.getEvalFactoryNode());


                final PatternContext patternContext = statementContext.getPatternContextFactory().createContext(statementContext, i, rootFactoryNode, patternStreamSpec.getMatchedEventMapMeta(), true);


                // create activator
                ViewableActivator patternActivator = new ViewableActivatorPattern(patternContext, rootFactoryNode, eventType, EPStatementStartMethodHelperUtil.isConsumingFilters(patternStreamSpec.getEvalFactoryNode()));

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            PatternStreamSpecCompiled patternStreamSpec = (PatternStreamSpecCompiled) streamSpec;
            boolean usedByChildViews = streamSpec.getViewSpecs().length > 0 || (statementSpec.getInsertIntoDesc() != null);
            String patternTypeName = statementContext.getStatementId() + "_patternon";
            final EventType eventType = services.getEventAdapterService().createSemiAnonymousMapType(patternTypeName, patternStreamSpec.getTaggedEventTypes(), patternStreamSpec.getArrayEventTypes(), usedByChildViews);


            EvalRootFactoryNode rootNode = services.getPatternNodeFactory().makeRootNode();
            rootNode.addChildNode(patternStreamSpec.getEvalFactoryNode());
            PatternContext patternContext = statementContext.getPatternContextFactory().createContext(statementContext, 0, rootNode, patternStreamSpec.getMatchedEventMapMeta(), true);
            activator = new ViewableActivatorPattern(patternContext, rootNode, eventType, EPStatementStartMethodHelperUtil.isConsumingFilters(patternStreamSpec.getEvalFactoryNode()));
            activatorResultEventType = eventType;
        }
        else if (streamSpec instanceof NamedWindowConsumerStreamSpec)

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            PatternStreamSpecCompiled patternStreamSpec = (PatternStreamSpecCompiled) streamSpec;
            boolean usedByChildViews = !streamSpec.getViewSpecs().isEmpty() || (statementSpec.getInsertIntoDesc() != null);
            String patternTypeName = statementContext.getStatementId() + "_patternon";
            final EventType eventType = services.getEventAdapterService().createSemiAnonymousMapType(patternTypeName, patternStreamSpec.getTaggedEventTypes(), patternStreamSpec.getArrayEventTypes(), usedByChildViews);


            EvalRootFactoryNode rootNode = services.getPatternNodeFactory().makeRootNode();
            rootNode.addChildNode(patternStreamSpec.getEvalFactoryNode());
            PatternContext patternContext = statementContext.getPatternContextFactory().createContext(statementContext, 0, rootNode, patternStreamSpec.getMatchedEventMapMeta(), true);
            activator = new ViewableActivatorPattern(patternContext, rootNode, eventType, EPStatementStartMethodHelperUtil.isConsumingFilters(patternStreamSpec.getEvalFactoryNode()));
            activatorResultEventType = eventType;
        }
        else if (streamSpec instanceof NamedWindowConsumerStreamSpec)

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                boolean usedByChildViews = !streamSpec.getViewSpecs().isEmpty() || (statementSpec.getInsertIntoDesc() != null);
                String patternTypeName = statementContext.getStatementId() + "_pattern_" + i;
                final EventType eventType = services.getEventAdapterService().createSemiAnonymousMapType(patternTypeName, patternStreamSpec.getTaggedEventTypes(), patternStreamSpec.getArrayEventTypes(), usedByChildViews);
                unmaterializedViewChain[i] = services.getViewService().createFactories(i, eventType, streamSpec.getViewSpecs(), streamSpec.getOptions(), statementContext);


                final EvalRootFactoryNode rootFactoryNode = services.getPatternNodeFactory().makeRootNode();
                rootFactoryNode.addChildNode(patternStreamSpec.getEvalFactoryNode());


                final PatternContext patternContext = statementContext.getPatternContextFactory().createContext(statementContext, i, rootFactoryNode, patternStreamSpec.getMatchedEventMapMeta(), true);


                // create activator
                ViewableActivator patternActivator = new ViewableActivatorPattern(patternContext, rootFactoryNode, eventType, EPStatementStartMethodHelperUtil.isConsumingFilters(patternStreamSpec.getEvalFactoryNode()));

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Related Classes of com.espertech.esper.pattern.EvalRootFactoryNode

com.espertech.esper.core.start.EPStatementStartMethodOnTrigger

com.espertech.esper.core.start.EPStatementStartMethodSelect

com.espertech.esper.core.start.EPStatementStartMethodSelectUtil

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