Package com.espertech.esper.event.map

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

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            triggeringStreamName = UuidGenerator.generate();
        }
        List<SelectClauseElementCompiled> selectNoWildcard = compileSelectNoWildcard(triggeringStreamName, selectClause);

        // 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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public class EvalSelectStreamWUndRecastMapFactory {

    public static SelectExprProcessor make(EventType[] eventTypes, SelectExprContext selectExprContext, int streamNumber, EventType targetType, ExprNode[] exprNodes, EngineImportService engineImportService)
            throws ExprValidationException
    {
        MapEventType mapResultType = (MapEventType) targetType;
        MapEventType mapStreamType = (MapEventType) eventTypes[streamNumber];

        // (A) fully assignment-compatible: same number, name and type of fields, no additional expressions: Straight repackage
        String typeSameMssage = BaseNestableEventType.isDeepEqualsProperties(mapResultType.getName(), mapResultType.getTypes(), mapStreamType.getTypes());
        if (typeSameMssage == null && selectExprContext.getExpressionNodes().length == 0) {
            return new MapInsertProcessorSimpleRepackage(selectExprContext, streamNumber, targetType);
        }

        // (B) not completely assignable: find matching properties
        Set<WriteablePropertyDescriptor> writables = selectExprContext.getEventAdapterService().getWriteableProperties(mapResultType, true);
        List<Item> items = new ArrayList<Item>();
        List<WriteablePropertyDescriptor> written = new ArrayList<WriteablePropertyDescriptor>();

        // find the properties coming from the providing source stream
        int count = 0;
        for (WriteablePropertyDescriptor writeable : writables) {
            String propertyName = writeable.getPropertyName();

            if (mapStreamType.getTypes().containsKey(propertyName)) {
                Object setOneType = mapStreamType.getTypes().get(propertyName);
                Object setTwoType = mapResultType.getTypes().get(propertyName);
                boolean setTwoTypeFound = mapResultType.getTypes().containsKey(propertyName);
                String message = BaseNestableEventUtil.comparePropType(propertyName, setOneType, setTwoType, setTwoTypeFound, mapResultType.getName());
                if (message != null) {
                    throw new ExprValidationException(message);
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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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            triggeringStreamName = UuidGenerator.generate();
        }
        List<SelectClauseElementCompiled> selectNoWildcard = compileSelectNoWildcard(triggeringStreamName, selectClause);

        // 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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public class EvalSelectStreamWUndRecastMapFactory {

    public static SelectExprProcessor make(EventType[] eventTypes, SelectExprContext selectExprContext, int streamNumber, EventType targetType, ExprNode[] exprNodes, EngineImportService engineImportService)
            throws ExprValidationException
    {
        MapEventType mapResultType = (MapEventType) targetType;
        MapEventType mapStreamType = (MapEventType) eventTypes[streamNumber];

        // (A) fully assignment-compatible: same number, name and type of fields, no additional expressions: Straight repackage
        String typeSameMssage = BaseNestableEventType.isDeepEqualsProperties(mapResultType.getName(), mapResultType.getTypes(), mapStreamType.getTypes());
        if (typeSameMssage == null && selectExprContext.getExpressionNodes().length == 0) {
            return new MapInsertProcessorSimpleRepackage(selectExprContext, streamNumber, targetType);
        }

        // (B) not completely assignable: find matching properties
        Set<WriteablePropertyDescriptor> writables = selectExprContext.getEventAdapterService().getWriteableProperties(mapResultType, true);
        List<Item> items = new ArrayList<Item>();
        List<WriteablePropertyDescriptor> written = new ArrayList<WriteablePropertyDescriptor>();

        // find the properties coming from the providing source stream
        int count = 0;
        for (WriteablePropertyDescriptor writeable : writables) {
            String propertyName = writeable.getPropertyName();

            if (mapStreamType.getTypes().containsKey(propertyName)) {
                Object setOneType = mapStreamType.getTypes().get(propertyName);
                Object setTwoType = mapResultType.getTypes().get(propertyName);
                boolean setTwoTypeFound = mapResultType.getTypes().containsKey(propertyName);
                String message = BaseNestableEventUtil.comparePropType(propertyName, setOneType, setTwoType, setTwoTypeFound, mapResultType.getName());
                if (message != null) {
                    throw new ExprValidationException(message);
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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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        {
            return null;
        }
        if (eventType instanceof MapEventType)
        {
            MapEventType mapEventType = (MapEventType) eventType;
            return new EventBeanManufacturerMap(mapEventType, eventAdapterService, properties);
        }
        if (eventType instanceof ObjectArrayEventType)
        {
            ObjectArrayEventType objectArrayEventType = (ObjectArrayEventType) eventType;
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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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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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