Examples with Attribute io.siddhi.query.api.definition.Attribute used on opensource projects

Example 21 with Attribute

use of io.siddhi.query.api.definition.Attribute in project siddhi by wso2.

the class AggregationParser method createRestEvent.

public static StreamEvent createRestEvent(MetaStreamEvent metaStreamEvent, StreamEvent streamEvent) {
    streamEvent.setTimestamp(0);
    streamEvent.setType(ComplexEvent.Type.RESET);
    List<Attribute> outputData = metaStreamEvent.getOutputData();
    for (int i = 0, outputDataSize = outputData.size(); i < outputDataSize; i++) {
        Attribute attribute = outputData.get(i);
        switch(attribute.getType()) {
            case STRING:
                streamEvent.setOutputData("", i);
                break;
            case INT:
                streamEvent.setOutputData(0, i);
                break;
            case LONG:
                streamEvent.setOutputData(0L, i);
                break;
            case FLOAT:
                streamEvent.setOutputData(0f, i);
                break;
            case DOUBLE:
                streamEvent.setOutputData(0.0, i);
                break;
            case BOOL:
                streamEvent.setOutputData(false, i);
                break;
            case OBJECT:
                streamEvent.setOutputData(null, i);
                break;
        }
    }
    return streamEvent;
}

Example 22 with Attribute

use of io.siddhi.query.api.definition.Attribute in project siddhi by wso2.

the class AggregationParser method generateCUDMetaStreamEvent.

private static MetaStreamEvent generateCUDMetaStreamEvent(boolean isProcessingOnExternalTime) {
    MetaStreamEvent metaStreamEvent = new MetaStreamEvent();
    Map<Attribute, int[]> cudInputStreamAttributesList = generateCUDInputStreamAttributes(isProcessingOnExternalTime);
    StreamDefinition inputDefinition = new StreamDefinition();
    for (Attribute attribute : cudInputStreamAttributesList.keySet()) {
        metaStreamEvent.addData(attribute);
        inputDefinition.attribute(attribute.getName(), attribute.getType());
    }
    metaStreamEvent.addInputDefinition(inputDefinition);
    metaStreamEvent.setEventType(MetaStreamEvent.EventType.DEFAULT);
    return metaStreamEvent;
}

Example 23 with Attribute

use of io.siddhi.query.api.definition.Attribute in project siddhi by wso2.

the class AggregationParser method generateCUDInputStreamAttributes.

private static Map<Attribute, int[]> generateCUDInputStreamAttributes(boolean isProcessingOnExternalTime) {
    Map<Attribute, int[]> cudInputStreamAttributeList = new LinkedHashMap<>();
    if (isProcessingOnExternalTime) {
        cudInputStreamAttributeList.put(new Attribute(FROM_TIMESTAMP, Attribute.Type.LONG), new int[] { 0, 1, 3 });
        cudInputStreamAttributeList.put(new Attribute(TO_TIMESTAMP, Attribute.Type.LONG), new int[] { 2, 4 });
    } else {
        cudInputStreamAttributeList.put(new Attribute(FROM_TIMESTAMP, Attribute.Type.LONG), new int[] { 0, 1 });
        cudInputStreamAttributeList.put(new Attribute(TO_TIMESTAMP, Attribute.Type.LONG), new int[] { 2 });
    }
    return cudInputStreamAttributeList;
}

Example 24 with Attribute

use of io.siddhi.query.api.definition.Attribute in project siddhi by wso2.

the class AggregationParser method processAggregationSelectors.

private static void processAggregationSelectors(AggregationDefinition aggregationDefinition, SiddhiQueryContext siddhiQueryContext, Map<String, Table> tableMap, List<VariableExpressionExecutor> incomingVariableExpressionExecutors, MetaStreamEvent incomingMetaStreamEvent, List<ExpressionExecutor> incomingExpressionExecutors, List<Expression> outputExpressions, OutputAttribute outputAttribute, Expression expression) {
    ExpressionExecutor expressionExecutor = ExpressionParser.parseExpression(expression, incomingMetaStreamEvent, 0, tableMap, incomingVariableExpressionExecutors, false, 0, ProcessingMode.BATCH, false, siddhiQueryContext);
    incomingExpressionExecutors.add(expressionExecutor);
    incomingMetaStreamEvent.addOutputData(new Attribute(outputAttribute.getRename(), expressionExecutor.getReturnType()));
    aggregationDefinition.getAttributeList().add(new Attribute(outputAttribute.getRename(), expressionExecutor.getReturnType()));
    outputExpressions.add(Expression.variable(outputAttribute.getRename()));
}

Example 25 with Attribute

use of io.siddhi.query.api.definition.Attribute in project siddhi by wso2.

the class AggregationParser method validateBaseAggregators.

private static void validateBaseAggregators(List<IncrementalAttributeAggregator> incrementalAttributeAggregators, IncrementalAttributeAggregator incrementalAttributeAggregator, Attribute[] baseAttributes, Expression[] baseAttributeInitialValues, Expression[] baseAggregators, int i) {
    for (int i1 = i; i1 < incrementalAttributeAggregators.size(); i1++) {
        IncrementalAttributeAggregator otherAttributeAggregator = incrementalAttributeAggregators.get(i1);
        if (otherAttributeAggregator != incrementalAttributeAggregator) {
            Attribute[] otherBaseAttributes = otherAttributeAggregator.getBaseAttributes();
            Expression[] otherBaseAttributeInitialValues = otherAttributeAggregator.getBaseAttributeInitialValues();
            Expression[] otherBaseAggregators = otherAttributeAggregator.getBaseAggregators();
            for (int j = 0; j < otherBaseAttributes.length; j++) {
                if (baseAttributes[i].equals(otherBaseAttributes[j])) {
                    if (!baseAttributeInitialValues[i].equals(otherBaseAttributeInitialValues[j])) {
                        throw new SiddhiAppCreationException("BaseAttributes having same name should " + "be defined with same initial values, but baseAttribute '" + baseAttributes[i] + "' is defined in '" + incrementalAttributeAggregator.getClass().getName() + "' and '" + otherAttributeAggregator.getClass().getName() + "' with different initial values.");
                    }
                    if (!baseAggregators[i].equals(otherBaseAggregators[j])) {
                        throw new SiddhiAppCreationException("BaseAttributes having same name should " + "be defined with same baseAggregators, but baseAttribute '" + baseAttributes[i] + "' is defined in '" + incrementalAttributeAggregator.getClass().getName() + "' and '" + otherAttributeAggregator.getClass().getName() + "' with different baseAggregators.");
                    }
                }
            }
        }
    }
}