io.ray.streaming.operator

Class StreamOperator<F extends Function>

java.lang.Object

io.ray.streaming.operator.StreamOperator<F>

All Implemented Interfaces:

Operator, Serializable

Direct Known Subclasses:

ChainedOperator, FilterOperator, FlatMapOperator, JoinOperator, KeyByOperator, MapOperator, PythonOperator, ReduceOperator, SinkOperator, SourceOperatorImpl, UnionOperator

public abstract class StreamOperator<F extends Function>
extends Object
implements Operator

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected List<Collector>	collectorList
protected F	function
protected String	name
protected RichFunction	richFunction
protected RuntimeContext	runtimeContext

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	StreamOperator()
protected	StreamOperator(F function)

Method Summary

Modifier and Type	Method and Description
void	close()
protected void	collect(KeyRecord keyRecord)
protected void	collect(Record record)
void	finish()
ChainStrategy	getChainStrategy()
Function	getFunction()
Language	getLanguage()
String	getName()
void	loadCheckpoint(Serializable checkpointObject) See Function.loadCheckpoint(Serializable).
void	open(List<Collector> collectorList, RuntimeContext runtimeContext)
Serializable	saveCheckpoint() See Function.saveCheckpoint().
void	setChainStrategy(ChainStrategy chainStrategy)
void	setFunction(F function)

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.ray.streaming.operator.Operator

getOpType

Field Detail

name

protected final String name

function

protected F extends Function function

richFunction

protected RichFunction richFunction

collectorList

protected List<Collector> collectorList

runtimeContext

protected RuntimeContext runtimeContext

Constructor Detail

StreamOperator

protected StreamOperator()

StreamOperator

protected StreamOperator(F function)

Method Detail

setFunction

public void setFunction(F function)

open

public void open(List<Collector> collectorList,
                 RuntimeContext runtimeContext)

Specified by:

open in interface Operator

finish

public void finish()

Specified by:

finish in interface Operator

close

public void close()

Specified by:

close in interface Operator

getFunction

public Function getFunction()

Specified by:

getFunction in interface Operator

getLanguage

public Language getLanguage()

Specified by:

getLanguage in interface Operator

collect

protected void collect(Record record)

collect

protected void collect(KeyRecord keyRecord)

saveCheckpoint

public Serializable saveCheckpoint()

Description copied from interface: Operator

See Function.saveCheckpoint().

Specified by:

saveCheckpoint in interface Operator

loadCheckpoint

public void loadCheckpoint(Serializable checkpointObject)

Description copied from interface: Operator

See Function.loadCheckpoint(Serializable).

Specified by:

loadCheckpoint in interface Operator

getName

public String getName()

Specified by:

getName in interface Operator

setChainStrategy

public void setChainStrategy(ChainStrategy chainStrategy)

getChainStrategy

public ChainStrategy getChainStrategy()

Specified by:

getChainStrategy in interface Operator