Package com.espertech.esper.event.map

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

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    // flatten nested types
    Map<String, Object> flattenPropertyTypes = new HashMap<String, Object>();
    for (String p : propertyTypes.keySet()) {
      Object type = propertyTypes.get(p);
      if (type instanceof Class && ((Class)type).getName().equals("java.util.Map") && eventType instanceof MapEventType) {
        MapEventType mapEventType = (MapEventType) eventType;
        Map<String, Object> nested = (Map) mapEventType.getTypes().get(p);
        for (String nestedProperty : nested.keySet()) {
          flattenPropertyTypes.put(p+"."+nestedProperty, nested.get(nestedProperty));
        }
      } else if (type instanceof Class) {
        Class c = (Class)type;
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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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        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);
            StreamTypeServiceImpl twoStreamTypeSvc = new StreamTypeServiceImpl(new EventType[] {namedWindowType, triggerStreamType},
                    new String[] {namedWindowName, triggerStreamName}, new boolean[] {true, true}, statementContext.getEngineURI(), true);
            StreamTypeService insertOnlyTypeSvc = new StreamTypeServiceImpl(new EventType[] {dummyTypeNoProperties, triggerStreamType},
                    new String[] {UuidGenerator.generate(), triggerStreamName}, new boolean[] {true, true}, statementContext.getEngineURI(), true);
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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 = getSuperTypesDepthFirst(optionalConfig != null ? optionalConfig.getSuperTypes() : null, true);
        EventTypeMetadata metadata = EventTypeMetadata.createNonPojoApplicationType(EventTypeMetadata.ApplicationType.MAP, 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);
        MapEventType mapEventType = new MapEventType(metadata, assignedTypeName, eventTypeIdGenerator.getTypeId(assignedTypeName), this, propertyTypes, null, null, null);
        return anonymousTypeCache.addReturnExistingAnonymousType(mapEventType);
    }
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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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        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);
            StreamTypeServiceImpl twoStreamTypeSvc = new StreamTypeServiceImpl(new EventType[] {namedWindowType, triggerStreamType},
                    new String[] {namedWindowName, triggerStreamName}, new boolean[] {true, true}, statementContext.getEngineURI(), true);
            StreamTypeService insertOnlyTypeSvc = new StreamTypeServiceImpl(new EventType[] {dummyTypeNoProperties, triggerStreamType},
                    new String[] {UuidGenerator.generate(), triggerStreamName}, new boolean[] {true, true}, statementContext.getEngineURI(), true);
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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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            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
                {
                    Map<String, Object> addOnTypes = new HashMap<String, Object>();
                    targetType = statementContext.getEventAdapterService().addWrapperType(typeName, selectFromType, addOnTypes, true, false);
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Related Classes of com.espertech.esper.event.map.MapEventType

  • com.espertech.esper.client.EventPropertyDescriptor
  • com.espertech.esper.core.EPStatementStartMethod
  • com.espertech.esper.core.service.StatementLifecycleSvcImpl
  • com.espertech.esper.core.start.EPStatementStartMethodCreateContext
  • com.espertech.esper.core.start.EPStatementStartMethodOnTrigger
  • com.espertech.esper.core.StatementLifecycleSvcImpl
  • com.espertech.esper.epl.core.eval.EvalSelectStreamWUndRecastMapFactory
  • com.espertech.esper.epl.core.SelectExprProcessorHelper
  • com.espertech.esper.epl.enummethod.eval.ExprDotEvalTakeWhileAndLast
  • com.espertech.esper.epl.enummethod.eval.ExprDotEvalWhere
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