Package io.siddhi.core.query.selector.attribute.aggregator

Class MinAttributeAggregatorExecutor

java.lang.Object

io.siddhi.core.query.selector.attribute.aggregator.AttributeAggregatorExecutor<io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState>

io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor

All Implemented Interfaces:

ExpressionExecutor, Serializable

public class MinAttributeAggregatorExecutor
extends AttributeAggregatorExecutor<io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState>

AttributeAggregatorExecutor to calculate min value based on an event attribute.

See Also:

Serialized Form

Field Summary

Fields inherited from class io.siddhi.core.query.selector.attribute.aggregator.AttributeAggregatorExecutor

attributeExpressionExecutors

Constructor Summary

Constructors

Constructor	Description
MinAttributeAggregatorExecutor()

Method Summary

Modifier and Type	Method	Description
io.siddhi.query.api.definition.Attribute.Type	getReturnType()
protected StateFactory<io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState>	init(ExpressionExecutor[] attributeExpressionExecutors, ProcessingMode processingMode, boolean outputExpectsExpiredEvents, ConfigReader configReader, SiddhiQueryContext siddhiQueryContext)	The initialization method for FunctionExecutor
void	init(io.siddhi.query.api.definition.Attribute.Type type)
Object	processAdd(Object[] data, io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState state)
Object	processAdd(Object data, io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState state)
Object	processRemove(Object[] data, io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState state)
Object	processRemove(Object data, io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState state)
Object	reset(io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState state)

Methods inherited from class io.siddhi.core.query.selector.attribute.aggregator.AttributeAggregatorExecutor

execute, initAggregator

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

MinAttributeAggregatorExecutor

public MinAttributeAggregatorExecutor()

Method Detail

init

public void init(io.siddhi.query.api.definition.Attribute.Type type)

init

protected StateFactory<io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState> init(ExpressionExecutor[] attributeExpressionExecutors,
                                                                                                                                  ProcessingMode processingMode,
                                                                                                                                  boolean outputExpectsExpiredEvents,
                                                                                                                                  ConfigReader configReader,
                                                                                                                                  SiddhiQueryContext siddhiQueryContext)

The initialization method for FunctionExecutor

Specified by:

init in class AttributeAggregatorExecutor<io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState>

Parameters:

attributeExpressionExecutors - are the executors of each attributes in the function

processingMode - query processing mode

outputExpectsExpiredEvents - is expired events sent as output

configReader - this hold the MinAttributeAggregatorExecutor configuration reader.

siddhiQueryContext - Siddhi query runtime context

getReturnType

public io.siddhi.query.api.definition.Attribute.Type getReturnType()

processAdd

public Object processAdd(Object data,
                         io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState state)

Specified by:

processAdd in class AttributeAggregatorExecutor<io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState>

processAdd

public Object processAdd(Object[] data,
                         io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState state)

Specified by:

processAdd in class AttributeAggregatorExecutor<io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState>

processRemove

public Object processRemove(Object data,
                            io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState state)

Specified by:

processRemove in class AttributeAggregatorExecutor<io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState>

processRemove

public Object processRemove(Object[] data,
                            io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState state)

Specified by:

processRemove in class AttributeAggregatorExecutor<io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState>

reset

public Object reset(io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState state)

Specified by:

reset in class AttributeAggregatorExecutor<io.siddhi.core.query.selector.attribute.aggregator.MinAttributeAggregatorExecutor.MinAggregatorState>