io.siddhi.core.query.selector.attribute.processor.executor

Class AbstractAggregationAttributeExecutor

java.lang.Object

io.siddhi.core.query.selector.attribute.processor.executor.AbstractAggregationAttributeExecutor

All Implemented Interfaces:

ExpressionExecutor, Snapshotable

Direct Known Subclasses:

AggregationAttributeExecutor, GroupByAggregationAttributeExecutor

public abstract class AbstractAggregationAttributeExecutor
extends Object
implements ExpressionExecutor, Snapshotable

Abstract class to represent attribute aggregations.

Field Summary

Fields

Modifier and Type	Field and Description
protected AttributeAggregator	attributeAggregator
protected ExpressionExecutor[]	attributeExpressionExecutors
protected SiddhiQueryContext	siddhiQueryContext
protected int	size

Constructor Summary

Constructors

Constructor and Description
AbstractAggregationAttributeExecutor(AttributeAggregator attributeAggregator, ExpressionExecutor[] attributeExpressionExecutors, SiddhiQueryContext siddhiQueryContext)

Method Summary

Modifier and Type	Method and Description
void	clean() Used to clean its references
String	getElementId()
io.siddhi.query.api.definition.Attribute.Type	getReturnType()

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.siddhi.core.executor.ExpressionExecutor

cloneExecutor, execute

Methods inherited from interface io.siddhi.core.util.snapshot.Snapshotable

currentState, restoreState

Field Detail

attributeAggregator

protected AttributeAggregator attributeAggregator

attributeExpressionExecutors

protected ExpressionExecutor[] attributeExpressionExecutors

siddhiQueryContext

protected SiddhiQueryContext siddhiQueryContext

size

protected int size

Constructor Detail

AbstractAggregationAttributeExecutor

public AbstractAggregationAttributeExecutor(AttributeAggregator attributeAggregator,
                                            ExpressionExecutor[] attributeExpressionExecutors,
                                            SiddhiQueryContext siddhiQueryContext)

Method Detail

getReturnType

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

Specified by:

getReturnType in interface ExpressionExecutor

getElementId

public String getElementId()

Specified by:

getElementId in interface Snapshotable

clean

public void clean()

Description copied from interface: Snapshotable

Used to clean its references

Specified by:

clean in interface ExpressionExecutor

Specified by:

clean in interface Snapshotable