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

com.espertech.esper.event.map.MapEventType
Descriptor of a property set.

            streamSelect.setStreamNumber(1);
            selectNoWildcard.add(streamSelect);
        }


        // Set up event types for select-clause evaluation: The first type does not contain anything as its the named window row which is not present for insert
        EventType dummyTypeNoProperties = new MapEventType(EventTypeMetadata.createAnonymous("merge_named_window_insert"), "merge_named_window_insert", 0, null, Collections.<String, Object>emptyMap(), null, null, null);
        EventType[] eventTypes = new EventType[] {dummyTypeNoProperties, triggeringEventType};
        String[] streamNames = new String[] {UuidGenerator.generate(), triggeringStreamName};
        StreamTypeService streamTypeService = new StreamTypeServiceImpl(eventTypes, streamNames, new boolean[1], statementContext.getEngineURI(), false);


        // Get select expr processor

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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.equals(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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    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.hashCode = underlyingMapType.hashCode() ^ underlyingEventType.hashCode();
        this.isNoMapProperties = properties.isEmpty();
        this.eventAdapterService = eventAdapterService;
        this.eventTypeId = eventTypeId;
        propertyGetterCache = new HashMap<String, EventPropertyGetter>();

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            else
            {
                // No columns selected, no wildcard, use the type as is or as a wrapped type
                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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        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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        // add context - does not activate that context
        services.getContextManagementService().addContextSpec(services, agentInstanceContext, context);


        // define output event type
        String typeName = "EventType_Context_" + context.getContextName();
        EventType resultType = new MapEventType(EventTypeMetadata.createAnonymous(typeName), typeName, -1, null, Collections.<String, Object>emptyMap(), null, null, null);


        EPStatementStopMethod stopMethod = new EPStatementStopMethod() {
            public void stop() {
                // no action
            }

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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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            streamSelect.setStreamNumber(1);
            selectNoWildcard.add(streamSelect);
        }


        // Set up event types for select-clause evaluation: The first type does not contain anything as its the named window row which is not present for insert
        EventType dummyTypeNoProperties = new MapEventType(EventTypeMetadata.createAnonymous("merge_named_window_insert"), "merge_named_window_insert", 0, null, Collections.<String, Object>emptyMap(), null, null, null);
        EventType[] eventTypes = new EventType[] {dummyTypeNoProperties, triggeringEventType};
        String[] streamNames = new String[] {UuidGenerator.generate(), triggeringStreamName};
        StreamTypeService streamTypeService = new StreamTypeServiceImpl(eventTypes, streamNames, new boolean[1], statementContext.getEngineURI(), false);


        // Get select expr processor

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com.espertech.esper.core.EPStatementStartMethod

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com.espertech.esper.epl.enummethod.eval.ExprDotEvalWhere

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