org.wso2.siddhi.core.query.selector.attribute.aggregator.incremental

Class MaxIncrementalAttributeAggregator

java.lang.Object

org.wso2.siddhi.core.query.selector.attribute.aggregator.incremental.IncrementalAttributeAggregator

org.wso2.siddhi.core.query.selector.attribute.aggregator.incremental.MaxIncrementalAttributeAggregator

public class MaxIncrementalAttributeAggregator
extends IncrementalAttributeAggregator

IncrementalAttributeAggregator to calculate maximum value based on an event attribute.

Constructor Summary

Constructors

Constructor and Description
MaxIncrementalAttributeAggregator()

Method Summary

Modifier and Type	Method and Description
org.wso2.siddhi.query.api.expression.Expression	aggregate()
org.wso2.siddhi.query.api.expression.Expression[]	getBaseAggregators()
org.wso2.siddhi.query.api.expression.Expression[]	getBaseAttributeInitialValues()
org.wso2.siddhi.query.api.definition.Attribute[]	getBaseAttributes()
org.wso2.siddhi.query.api.definition.Attribute.Type	getReturnType()
void	init(String attributeName, org.wso2.siddhi.query.api.definition.Attribute.Type attributeType)

Methods inherited from class java.lang.Object

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

Constructor Detail

MaxIncrementalAttributeAggregator

public MaxIncrementalAttributeAggregator()

Method Detail

init

public void init(String attributeName,
                 org.wso2.siddhi.query.api.definition.Attribute.Type attributeType)

Specified by:

init in class IncrementalAttributeAggregator

aggregate

public org.wso2.siddhi.query.api.expression.Expression aggregate()

Specified by:

aggregate in class IncrementalAttributeAggregator

getBaseAttributes

public org.wso2.siddhi.query.api.definition.Attribute[] getBaseAttributes()

Specified by:

getBaseAttributes in class IncrementalAttributeAggregator

getBaseAttributeInitialValues

public org.wso2.siddhi.query.api.expression.Expression[] getBaseAttributeInitialValues()

Specified by:

getBaseAttributeInitialValues in class IncrementalAttributeAggregator

getBaseAggregators

public org.wso2.siddhi.query.api.expression.Expression[] getBaseAggregators()

Specified by:

getBaseAggregators in class IncrementalAttributeAggregator

getReturnType

public org.wso2.siddhi.query.api.definition.Attribute.Type getReturnType()

Specified by:

getReturnType in class IncrementalAttributeAggregator