Examples with Attribute org.wso2.siddhi.query.api.definition.Attribute used on opensource projects

Example 6 with Attribute

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

the class TimeBatchWindowProcessor method init.

@Override
protected void init(ExpressionExecutor[] attributeExpressionExecutors, ConfigReader configReader, boolean outputExpectsExpiredEvents, SiddhiAppContext siddhiAppContext) {
    this.outputExpectsExpiredEvents = outputExpectsExpiredEvents;
    this.siddhiAppContext = siddhiAppContext;
    if (outputExpectsExpiredEvents) {
        this.expiredEventChunk = new ComplexEventChunk<StreamEvent>(false);
    }
    if (attributeExpressionExecutors.length == 1) {
        if (attributeExpressionExecutors[0] instanceof ConstantExpressionExecutor) {
            if (attributeExpressionExecutors[0].getReturnType() == Attribute.Type.INT) {
                timeInMilliSeconds = (Integer) ((ConstantExpressionExecutor) attributeExpressionExecutors[0]).getValue();
            } else if (attributeExpressionExecutors[0].getReturnType() == Attribute.Type.LONG) {
                timeInMilliSeconds = (Long) ((ConstantExpressionExecutor) attributeExpressionExecutors[0]).getValue();
            } else {
                throw new SiddhiAppValidationException("Time window's parameter attribute should be either " + "int or long, but found " + attributeExpressionExecutors[0].getReturnType());
            }
        } else {
            throw new SiddhiAppValidationException("Time window should have constant parameter attribute but " + "found a dynamic attribute " + attributeExpressionExecutors[0].getClass().getCanonicalName());
        }
    } else if (attributeExpressionExecutors.length == 2) {
        if (attributeExpressionExecutors[0] instanceof ConstantExpressionExecutor) {
            if (attributeExpressionExecutors[0].getReturnType() == Attribute.Type.INT) {
                timeInMilliSeconds = (Integer) ((ConstantExpressionExecutor) attributeExpressionExecutors[0]).getValue();
            } else if (attributeExpressionExecutors[0].getReturnType() == Attribute.Type.LONG) {
                timeInMilliSeconds = (Long) ((ConstantExpressionExecutor) attributeExpressionExecutors[0]).getValue();
            } else {
                throw new SiddhiAppValidationException("Time window's parameter attribute should be either " + "int or long, but found " + attributeExpressionExecutors[0].getReturnType());
            }
        } else {
            throw new SiddhiAppValidationException("Time window should have constant parameter attribute but " + "found a dynamic attribute " + attributeExpressionExecutors[0].getClass().getCanonicalName());
        }
        // start time
        isStartTimeEnabled = true;
        if (attributeExpressionExecutors[1].getReturnType() == Attribute.Type.INT) {
            startTime = Integer.parseInt(String.valueOf(((ConstantExpressionExecutor) attributeExpressionExecutors[1]).getValue()));
        } else {
            startTime = Long.parseLong(String.valueOf(((ConstantExpressionExecutor) attributeExpressionExecutors[1]).getValue()));
        }
    } else {
        throw new SiddhiAppValidationException("Time window should only have one or two parameters. " + "(<int|long|time> windowTime), but found " + attributeExpressionExecutors.length + " input " + "attributes");
    }
}

Example 7 with Attribute

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

the class TimeLengthWindowProcessor method init.

@Override
protected void init(ExpressionExecutor[] attributeExpressionExecutors, ConfigReader configReader, boolean outputExpectsExpiredEvents, SiddhiAppContext siddhiAppContext) {
    this.siddhiAppContext = siddhiAppContext;
    expiredEventChunk = new ComplexEventChunk<StreamEvent>(false);
    if (attributeExpressionExecutors.length == 2) {
        length = (Integer) ((ConstantExpressionExecutor) attributeExpressionExecutors[1]).getValue();
        if (attributeExpressionExecutors[0] instanceof ConstantExpressionExecutor) {
            if (attributeExpressionExecutors[0].getReturnType() == Attribute.Type.INT) {
                timeInMilliSeconds = (Integer) ((ConstantExpressionExecutor) attributeExpressionExecutors[0]).getValue();
            } else if (attributeExpressionExecutors[0].getReturnType() == Attribute.Type.LONG) {
                timeInMilliSeconds = (Long) ((ConstantExpressionExecutor) attributeExpressionExecutors[0]).getValue();
            } else {
                throw new SiddhiAppValidationException("TimeLength window's first parameter attribute should " + "be either int or long, but found " + attributeExpressionExecutors[0].getReturnType());
            }
        } else {
            throw new SiddhiAppValidationException("TimeLength window should have constant parameter " + "attributes but found a dynamic attribute " + attributeExpressionExecutors[0].getClass().getCanonicalName());
        }
    } else {
        throw new SiddhiAppValidationException("TimeLength window should only have two parameters (<int> " + "windowTime,<int> windowLength), but found " + attributeExpressionExecutors.length + " input " + "attributes");
    }
}

Example 8 with Attribute

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

the class TimeWindowProcessor method init.

@Override
protected void init(ExpressionExecutor[] attributeExpressionExecutors, ConfigReader configReader, boolean outputExpectsExpiredEvents, SiddhiAppContext siddhiAppContext) {
    this.siddhiAppContext = siddhiAppContext;
    this.expiredEventChunk = new ComplexEventChunk<StreamEvent>(false);
    if (attributeExpressionExecutors.length == 1) {
        if (attributeExpressionExecutors[0] instanceof ConstantExpressionExecutor) {
            if (attributeExpressionExecutors[0].getReturnType() == Attribute.Type.INT) {
                timeInMilliSeconds = (Integer) ((ConstantExpressionExecutor) attributeExpressionExecutors[0]).getValue();
            } else if (attributeExpressionExecutors[0].getReturnType() == Attribute.Type.LONG) {
                timeInMilliSeconds = (Long) ((ConstantExpressionExecutor) attributeExpressionExecutors[0]).getValue();
            } else {
                throw new SiddhiAppValidationException("Time window's parameter attribute should be either " + "int or long, but found " + attributeExpressionExecutors[0].getReturnType());
            }
        } else {
            throw new SiddhiAppValidationException("Time window should have constant parameter attribute but " + "found a dynamic attribute " + attributeExpressionExecutors[0].getClass().getCanonicalName());
        }
    } else {
        throw new SiddhiAppValidationException("Time window should only have one parameter (<int|long|time> " + "windowTime), but found " + attributeExpressionExecutors.length + " input attributes");
    }
}

Example 9 with Attribute

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

the class PartitionedDistributionStrategy method init.

/**
 * Initialize the Distribution strategy with the information it will require to make decisions.
 *  @param streamDefinition         The stream attached to the sink this DistributionStrategy is used in
 * @param transportOptionHolder    Sink options of the sink which uses this DistributionStrategy
 * @param destinationOptionHolders The list of options under @destination of the relevant sink.
 * @param configReader This hold the {@link PartitionedDistributionStrategy} configuration reader.
 */
@Override
public void init(StreamDefinition streamDefinition, OptionHolder transportOptionHolder, OptionHolder distributionOptionHolder, List<OptionHolder> destinationOptionHolders, ConfigReader configReader) {
    totalDestinationCount = destinationOptionHolders.size();
    String partitionKey = distributionOptionHolder.validateAndGetStaticValue(SiddhiConstants.PARTITION_KEY_FIELD_KEY);
    if (partitionKey == null || partitionKey.isEmpty()) {
        throw new SiddhiAppValidationException("PartitionKey is required for partitioned distribution " + "strategy.");
    }
    try {
        int partitionKeyFieldPosition = streamDefinition.getAttributePosition(partitionKey);
        partitionOption = new Option(partitionKeyFieldPosition);
    } catch (AttributeNotExistException e) {
        throw new SiddhiAppValidationException("Could not find partition key attribute", e);
    }
}

Example 10 with Attribute

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

the class CountIncrementalAttributeAggregator method init.

@Override
public void init(String attributeName, Attribute.Type attributeType) {
    Attribute count;
    Expression countInitialValue;
    // Since we set the initial value of count, we can simply set it as long
    // However, since count is summed internally (in avg incremental calculation),
    // ensure that either double or long is used here (since return value of sum is long or
    // double. Long is chosen here)
    count = new Attribute("AGG_COUNT", Attribute.Type.LONG);
    countInitialValue = Expression.value(1L);
    this.baseAttributes = new Attribute[] { count };
    this.baseAttributesInitialValues = new Expression[] { countInitialValue };
    assert baseAttributes.length == baseAttributesInitialValues.length;
}