org.wso2.siddhi.core.query.input.stream.state

Class StreamPostStateProcessor

java.lang.Object

org.wso2.siddhi.core.query.input.stream.state.StreamPostStateProcessor

All Implemented Interfaces:

PostStateProcessor, Processor

Direct Known Subclasses:

AbsentStreamPostStateProcessor, CountPostStateProcessor, LogicalPostStateProcessor

public class StreamPostStateProcessor
extends Object
implements PostStateProcessor

Created on 12/17/14.

Field Summary

Fields

Modifier and Type	Field and Description
protected CountPreStateProcessor	callbackPreStateProcessor
protected boolean	isEventReturned
protected PreStateProcessor	nextEveryStatePreProcessor
protected Processor	nextProcessor
protected PreStateProcessor	nextStatePreProcessor
protected int	stateId
protected StreamPreStateProcessor	thisStatePreProcessor

Constructor Summary

Constructors

Constructor and Description
StreamPostStateProcessor()

Method Summary

Modifier and Type	Method and Description
void	clean() Used to clean its references
void	clearProcessedEvent()
PostStateProcessor	cloneProcessor(String key) Clone a copy of processor
protected void	cloneProperties(StreamPostStateProcessor streamPostStateProcessor)
PreStateProcessor	getNextEveryStatePreProcessor()
Processor	getNextProcessor() Get next processor element in the processor chain.
PreStateProcessor	getNextStatePreProcessor()
int	getStateId()
PreStateProcessor	getThisStatePreProcessor()
boolean	isEventReturned()
void	process(ComplexEventChunk complexEventChunk) Process the handed StreamEvent
protected void	process(StateEvent stateEvent, ComplexEventChunk complexEventChunk)
void	setCallbackPreStateProcessor(CountPreStateProcessor callbackPreStateProcessor)
void	setNextEveryStatePreProcessor(PreStateProcessor nextEveryStatePreProcessor)
void	setNextProcessor(Processor nextProcessor) Set next processor element in processor chain
void	setNextStatePreProcessor(PreStateProcessor preStateProcessor)
void	setStateId(int stateId)
void	setThisStatePreProcessor(StreamPreStateProcessor preStateProcessor)
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

Field Detail

nextStatePreProcessor

protected PreStateProcessor nextStatePreProcessor

nextEveryStatePreProcessor

protected PreStateProcessor nextEveryStatePreProcessor

thisStatePreProcessor

protected StreamPreStateProcessor thisStatePreProcessor

nextProcessor

protected Processor nextProcessor

stateId

protected int stateId

callbackPreStateProcessor

protected CountPreStateProcessor callbackPreStateProcessor

isEventReturned

protected boolean isEventReturned

Constructor Detail

StreamPostStateProcessor

public StreamPostStateProcessor()

Method Detail

process

public void process(ComplexEventChunk complexEventChunk)

Process the handed StreamEvent

Specified by:

process in interface Processor

Parameters:

complexEventChunk - event chunk to be processed

process

protected void process(StateEvent stateEvent,
                       ComplexEventChunk complexEventChunk)

isEventReturned

public boolean isEventReturned()

clearProcessedEvent

public void clearProcessedEvent()

getNextProcessor

public Processor getNextProcessor()

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 nextProcessor)

Set next processor element in processor chain

Specified by:

setNextProcessor in interface Processor

Parameters:

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

setToLast

public void setToLast(Processor 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 PostStateProcessor cloneProcessor(String key)

Clone a copy of processor

Specified by:

cloneProcessor in interface PostStateProcessor

Specified by:

cloneProcessor in interface Processor

Parameters:

key - partition key

Returns:

clone of StreamPostStateProcessor

clean

public void clean()

Description copied from interface: Processor

Used to clean its references

Specified by:

clean in interface Processor

cloneProperties

protected void cloneProperties(StreamPostStateProcessor streamPostStateProcessor)

setNextStatePreProcessor

public void setNextStatePreProcessor(PreStateProcessor preStateProcessor)

Specified by:

setNextStatePreProcessor in interface PostStateProcessor

getNextStatePreProcessor

public PreStateProcessor getNextStatePreProcessor()

getNextEveryStatePreProcessor

public PreStateProcessor getNextEveryStatePreProcessor()

setNextEveryStatePreProcessor

public void setNextEveryStatePreProcessor(PreStateProcessor nextEveryStatePreProcessor)

Specified by:

setNextEveryStatePreProcessor in interface PostStateProcessor

getThisStatePreProcessor

public PreStateProcessor getThisStatePreProcessor()

setThisStatePreProcessor

public void setThisStatePreProcessor(StreamPreStateProcessor preStateProcessor)

getStateId

public int getStateId()

Specified by:

getStateId in interface PostStateProcessor

setStateId

public void setStateId(int stateId)

setCallbackPreStateProcessor

public void setCallbackPreStateProcessor(CountPreStateProcessor callbackPreStateProcessor)

Specified by:

setCallbackPreStateProcessor in interface PostStateProcessor