org.wso2.siddhi.core.query.selector.attribute.processor.executor

Class AbstractAggregationAttributeExecutor

java.lang.Object

org.wso2.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 String	queryName
protected SiddhiAppContext	siddhiAppContext
protected int	size

Constructor Summary

Constructors

Constructor and Description
AbstractAggregationAttributeExecutor(AttributeAggregator attributeAggregator, ExpressionExecutor[] attributeExpressionExecutors, SiddhiAppContext siddhiAppContext, String queryName)

Method Summary

Modifier and Type	Method and Description
void	clean() Used to clean its references
String	getElementId()
org.wso2.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 org.wso2.siddhi.core.executor.ExpressionExecutor

cloneExecutor, execute

Methods inherited from interface org.wso2.siddhi.core.util.snapshot.Snapshotable

currentState, restoreState

Field Detail

attributeAggregator

protected AttributeAggregator attributeAggregator

attributeExpressionExecutors

protected ExpressionExecutor[] attributeExpressionExecutors

siddhiAppContext

protected SiddhiAppContext siddhiAppContext

size

protected int size

queryName

protected String queryName

Constructor Detail

AbstractAggregationAttributeExecutor

public AbstractAggregationAttributeExecutor(AttributeAggregator attributeAggregator,
                                            ExpressionExecutor[] attributeExpressionExecutors,
                                            SiddhiAppContext siddhiAppContext,
                                            String queryName)

Method Detail

getReturnType

public org.wso2.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