org.wso2.siddhi.core.query.selector

Class QuerySelector

java.lang.Object

org.wso2.siddhi.core.query.selector.QuerySelector

All Implemented Interfaces:

Processor

public class QuerySelector
extends Object
implements Processor

Processor implementation representing selector portion of the Siddhi query.

Constructor Summary

Constructors

Constructor and Description
QuerySelector(String id, org.wso2.siddhi.query.api.execution.query.selection.Selector selector, boolean currentOn, boolean expiredOn, SiddhiAppContext siddhiAppContext)

Method Summary

Modifier and Type	Method and Description
QuerySelector	clone(String key)
Processor	cloneProcessor(String key) Clone a copy of processor
ComplexEventChunk	execute(ComplexEventChunk complexEventChunk)
List<AttributeProcessor>	getAttributeProcessorList()
Processor	getNextProcessor() Get next processor element in the processor chain.
void	process(ComplexEventChunk complexEventChunk) Process the handed StreamEvent
void	setAttributeProcessorList(List<AttributeProcessor> attributeProcessorList, boolean containsAggregator)
void	setBatchingEnabled(boolean batchingEnabled)
void	setEventPopulator(StateEventPopulator eventPopulator)
void	setGroupByKeyGenerator(GroupByKeyGenerator groupByKeyGenerator)
void	setHavingConditionExecutor(ConditionExpressionExecutor havingConditionExecutor, boolean containsAggregator)
void	setLimit(long limit)
void	setNextProcessor(OutputRateLimiter outputRateLimiter)
void	setNextProcessor(Processor processor) Set next processor element in processor chain
void	setOffset(long offset)
void	setOrderByEventComparator(OrderByEventComparator orderByEventComparator)
void	setToLast(Processor processor) Set as the last element of the processor chain

Methods inherited from class java.lang.Object

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

Constructor Detail

QuerySelector

public QuerySelector(String id,
                     org.wso2.siddhi.query.api.execution.query.selection.Selector selector,
                     boolean currentOn,
                     boolean expiredOn,
                     SiddhiAppContext siddhiAppContext)

Method Detail

process

public void process(ComplexEventChunk complexEventChunk)

Description copied from interface: Processor

Process the handed StreamEvent

Specified by:

process in interface Processor

Parameters:

complexEventChunk - event chunk to be processed

execute

public ComplexEventChunk execute(ComplexEventChunk complexEventChunk)

getNextProcessor

public Processor getNextProcessor()

Description copied from interface: Processor

Get next processor element in the processor chain. Processed event should be sent to next processor

Specified by:

getNextProcessor in interface Processor

Returns:

next processor

setNextProcessor

public void setNextProcessor(Processor processor)

Description copied from interface: Processor

Set next processor element in processor chain

Specified by:

setNextProcessor in interface Processor

Parameters:

processor - Processor to be set as next element of processor chain

setNextProcessor

public void setNextProcessor(OutputRateLimiter outputRateLimiter)

setToLast

public void setToLast(Processor processor)

Description copied from interface: Processor

Set as the last element of the processor chain

Specified by:

setToLast in interface Processor

Parameters:

processor - Last processor in the chain

cloneProcessor

public Processor cloneProcessor(String key)

Description copied from interface: Processor

Clone a copy of processor

Specified by:

cloneProcessor in interface Processor

Parameters:

key - partition key

Returns:

cloned processor

getAttributeProcessorList

public List<AttributeProcessor> getAttributeProcessorList()

setAttributeProcessorList

public void setAttributeProcessorList(List<AttributeProcessor> attributeProcessorList,
                                      boolean containsAggregator)

setGroupByKeyGenerator

public void setGroupByKeyGenerator(GroupByKeyGenerator groupByKeyGenerator)

setOrderByEventComparator

public void setOrderByEventComparator(OrderByEventComparator orderByEventComparator)

setHavingConditionExecutor

public void setHavingConditionExecutor(ConditionExpressionExecutor havingConditionExecutor,
                                       boolean containsAggregator)

clone

public QuerySelector clone(String key)

setBatchingEnabled

public void setBatchingEnabled(boolean batchingEnabled)

setEventPopulator

public void setEventPopulator(StateEventPopulator eventPopulator)

setLimit

public void setLimit(long limit)

setOffset

public void setOffset(long offset)