Examples of com.espertech.esper.event.map.MapEventType

com.espertech.esper.event.map.MapEventType
Implementation of the {@link EventType} interface for handling plain Maps containing name value pairs.

        String exprNodeErrorMessage = "Aggregation functions may not be used within an merge-clause";
        ExprEvaluatorContextStatement evaluatorContextStmt = new ExprEvaluatorContextStatement(statementContext);


        for (OnTriggerMergeMatched matchedItem : mergeDesc.getItems()) {


            EventType dummyTypeNoProperties = new MapEventType(EventTypeMetadata.createAnonymous("merge_named_window_insert"), "merge_named_window_insert", 0, null, Collections.<String, Object>emptyMap(), null, null, null);
            StreamTypeService twoStreamTypeSvc = new StreamTypeServiceImpl(new EventType[] {namedWindowType, triggerStreamType},
                    new String[] {namedWindowName, triggerStreamName}, new boolean[] {true, true}, statementContext.getEngineURI(), false);
            StreamTypeService insertOnlyTypeSvc = new StreamTypeServiceImpl(new EventType[] {dummyTypeNoProperties, triggerStreamType},
                    new String[] {UuidGenerator.generate(), triggerStreamName}, new boolean[] {true, true}, statementContext.getEngineURI(), false);

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    public static MapEventType makeTransientMapType(String enumMethod, String propertyName, Class type) {
        Map<String, Object> propsResult = new HashMap<String, Object>();
        propsResult.put(propertyName, type);
        String typeName = enumMethod + "__" + propertyName;
        return new MapEventType(EventTypeMetadata.createAnonymous(typeName), typeName, 0, null, propsResult, null, null, null);
    }

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        if (!(type instanceof MapEventType))
        {
            throw new EventAdapterException("Event type by name '" + mapeventTypeName + "' is not a Map event type");
        }


        MapEventType mapEventType = (MapEventType) type;
        mapEventType.addAdditionalProperties(typeMap, this);
    }

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    {
        Pair<EventType[], Set<EventType>> mapSuperTypes = getMapSuperTypes(optionalConfig);
        EventTypeMetadata metadata = EventTypeMetadata.createMapType(eventTypeName, isPreconfiguredStatic, isPreconfigured, isConfigured, namedWindow, insertInto);


        int typeId = eventTypeIdGenerator.getTypeId(eventTypeName);
        MapEventType newEventType = new MapEventType(metadata, eventTypeName, typeId, this, propertyTypes, mapSuperTypes.getFirst(), mapSuperTypes.getSecond(), optionalConfig);


        EventType existingType = nameToTypeMap.get(eventTypeName);
        if (existingType != null)
        {
            // The existing type must be the same as the type createdStatement
            if (!newEventType.equalsCompareType(existingType))
            {
                String message = newEventType.getEqualsMessage(existingType);
                throw new EventAdapterException("Event type named '" + eventTypeName +
                        "' has already been declared with differing column name or type information: " + message);
            }


            // Since it's the same, return the existing type

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    public final EventType createAnonymousMapType(String typeName, Map<String, Object> propertyTypes) throws EventAdapterException
    {
        String assignedTypeName = EventAdapterService.ANONYMOUS_TYPE_NAME_PREFIX + typeName;
        EventTypeMetadata metadata = EventTypeMetadata.createAnonymous(assignedTypeName);
        return new MapEventType(metadata, assignedTypeName, eventTypeIdGenerator.getTypeId(assignedTypeName), this, propertyTypes, null, null, null);
    }

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        if (goesToNames.size() == 1) {
            return new EventType[] {firstParamType};
        }


        MapEventType indexEventType = ExprDotNodeUtility.makeTransientMapType(enumMethodUsedName, goesToNames.get(1), int.class);
        return new EventType[]{firstParamType, indexEventType};
    }

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    checkForRepeatedPropertyNames(eventType, properties);


        this.metadata = metadata;
    this.underlyingEventType = eventType;
        EventTypeMetadata metadataMapType = EventTypeMetadata.createAnonymous(typeName);
        this.underlyingMapType = new MapEventType(metadataMapType, typeName, 0, eventAdapterService, properties, null, null, null);
        this.isNoMapProperties = properties.isEmpty();
        this.eventAdapterService = eventAdapterService;
        this.eventTypeId = eventTypeId;
        propertyGetterCache = new HashMap<String, EventPropertyGetter>();

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    private static Set<String> getEventBeanToObjectProps(Map<String, Object> selPropertyTypes, EventType resultEventType) {


        if (!(resultEventType instanceof MapEventType)) {
            return Collections.emptySet();
        }
        MapEventType mapEventType = (MapEventType) resultEventType;
        Set<String> props = null;
        for (Map.Entry<String, Object> entry : selPropertyTypes.entrySet()) {
            if (entry.getValue() instanceof BeanEventType && mapEventType.getTypes().get(entry.getKey()) instanceof Class) {
                if (props == null) {
                    props = new HashSet<String>();
                }
                props.add(entry.getKey());
            }

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        if (goesToNames.size() == 1) {
            return new EventType[] {firstParamType};
        }


        MapEventType indexEventType = ExprDotNodeUtility.makeTransientMapType(enumMethodUsedName, goesToNames.get(1), int.class);
        return new EventType[]{firstParamType, indexEventType};
    }

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                    ObjectArrayEventType objectArrayEventType = (ObjectArrayEventType) selectFromType;
                    targetType = statementContext.getEventAdapterService().addNestableObjectArrayType(typeName, objectArrayEventType.getTypes(), null, false, false, false, true, false);
                }
                else if (selectFromType instanceof MapEventType)
                {
                    MapEventType mapType = (MapEventType) selectFromType;
                    targetType = statementContext.getEventAdapterService().addNestableMapType(typeName, mapType.getTypes(), null, false, false, false, true, false);
                }
                else if (selectFromType instanceof BeanEventType)
                {
                    BeanEventType beanType = (BeanEventType) selectFromType;
                    targetType = statementContext.getEventAdapterService().addBeanTypeByName(typeName, beanType.getUnderlyingType(), true);

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