Package io.siddhi.core.query.processor.stream.function

Class Pol2CartStreamFunctionProcessor

java.lang.Object

io.siddhi.core.query.processor.stream.AbstractStreamProcessor<S>

io.siddhi.core.query.processor.stream.function.StreamFunctionProcessor

io.siddhi.core.query.processor.stream.function.Pol2CartStreamFunctionProcessor

All Implemented Interfaces:

Processor, ExternalReferencedHolder

public class Pol2CartStreamFunctionProcessor
extends StreamFunctionProcessor

Created on 1/26/15.

Field Summary

Fields inherited from class io.siddhi.core.query.processor.stream.AbstractStreamProcessor

attributeExpressionExecutors, attributeExpressionLength, complexEventPopulater, inputDefinition, metaStreamEvent, nextProcessor, siddhiQueryContext, stateHolder, streamEventClonerHolder

Constructor Summary

Constructors

Constructor	Description
Pol2CartStreamFunctionProcessor()

Method Summary

Modifier and Type	Method	Description
List<io.siddhi.query.api.definition.Attribute>	getReturnAttributes()
protected StateFactory	init(io.siddhi.query.api.definition.AbstractDefinition inputDefinition, ExpressionExecutor[] attributeExpressionExecutors, ConfigReader configReader, boolean outputExpectsExpiredEvents, SiddhiQueryContext siddhiQueryContext)	The init method of the StreamFunction
protected Object[]	process(Object data)	The process method of the StreamFunction, used when single function parameter is provided
protected Object[]	process(Object[] data)	The process method of the StreamFunction, used when multiple function parameters are provided
void	start()	This will be called only once and this can be used to acquire required resources for the processing element.
void	stop()	This will be called only once and this can be used to release the acquired resources for processing.

Methods inherited from class io.siddhi.core.query.processor.stream.function.StreamFunctionProcessor

getProcessingMode, init, processEventChunk

Methods inherited from class io.siddhi.core.query.processor.stream.AbstractStreamProcessor

constructStreamEventPopulater, getNextProcessor, initProcessor, isStateful, process, process, setNextProcessor, setStreamEventCloner, setToLast

Methods inherited from class java.lang.Object

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

Constructor Detail

Pol2CartStreamFunctionProcessor

public Pol2CartStreamFunctionProcessor()

Method Detail

init

protected StateFactory init(io.siddhi.query.api.definition.AbstractDefinition inputDefinition,
                            ExpressionExecutor[] attributeExpressionExecutors,
                            ConfigReader configReader,
                            boolean outputExpectsExpiredEvents,
                            SiddhiQueryContext siddhiQueryContext)

The init method of the StreamFunction

Specified by:

init in class StreamFunctionProcessor

Parameters:

inputDefinition - the incoming stream definition

attributeExpressionExecutors - the executors for the function parameters

siddhiQueryContext - siddhi query context

configReader - this hold the StreamFunctionProcessor extensions configuration reader.

outputExpectsExpiredEvents - is expired events sent as output

Returns:

the additional output attributes introduced by the function

process

protected Object[] process(Object[] data)

The process method of the StreamFunction, used when multiple function parameters are provided

Specified by:

process in class StreamFunctionProcessor

Parameters:

data - the data values for the function parameters

Returns:

the date for additional output attributes introduced by the function

process

protected Object[] process(Object data)

The process method of the StreamFunction, used when single function parameter is provided

Specified by:

process in class StreamFunctionProcessor

Parameters:

data - the data value for the function parameter

Returns:

the date for additional output attribute introduced by the function

start

public void start()

Description copied from interface: ExternalReferencedHolder

This will be called only once and this can be used to acquire required resources for the processing element. This will be called after initializing the system and before starting to process the events.

stop

public void stop()

Description copied from interface: ExternalReferencedHolder

This will be called only once and this can be used to release the acquired resources for processing. This will be called before shutting down the system.

getReturnAttributes

public List<io.siddhi.query.api.definition.Attribute> getReturnAttributes()

Specified by:

getReturnAttributes in class AbstractStreamProcessor