io.ray.streaming.operator.chain

Class ChainedOperator

java.lang.Object

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

io.ray.streaming.operator.chain.ChainedOperator

All Implemented Interfaces:

Operator, Serializable

public abstract class ChainedOperator
extends StreamOperator<Function>

Abstract base class for chained operators.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
protected Operator	headOperator
protected List<StreamOperator>	operators
protected Operator	tailOperator

Fields inherited from class io.ray.streaming.operator.StreamOperator

collectorList, function, name, richFunction, runtimeContext

Constructor Summary

Constructors

Constructor and Description
ChainedOperator(List<StreamOperator> operators, List<Map<String,String>> configs)

Method Summary

Modifier and Type	Method and Description
Operator	getHeadOperator()
Language	getLanguage()
String	getName()
List<StreamOperator>	getOperators()
OperatorType	getOpType()
Operator	getTailOperator()
void	loadCheckpoint(Serializable checkpointObject) See Function.loadCheckpoint(Serializable).
static ChainedOperator	newChainedOperator(List<StreamOperator> operators, List<Map<String,String>> configs)
void	open(List<Collector> collectorList, RuntimeContext runtimeContext)
Serializable	saveCheckpoint() See Function.saveCheckpoint().

Methods inherited from class io.ray.streaming.operator.StreamOperator

close, collect, collect, finish, getChainStrategy, getFunction, setChainStrategy, setFunction

Methods inherited from class java.lang.Object

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

Field Detail

operators

protected final List<StreamOperator> operators

headOperator

protected final Operator headOperator

tailOperator

protected final Operator tailOperator

Constructor Detail

ChainedOperator

public ChainedOperator(List<StreamOperator> operators,
                       List<Map<String,String>> configs)

Method Detail

open

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

Specified by:

open in interface Operator

Overrides:

open in class StreamOperator<Function>

getOpType

public OperatorType getOpType()

getLanguage

public Language getLanguage()

Specified by:

getLanguage in interface Operator

Overrides:

getLanguage in class StreamOperator<Function>

getName

public String getName()

Specified by:

getName in interface Operator

Overrides:

getName in class StreamOperator<Function>

getOperators

public List<StreamOperator> getOperators()

getHeadOperator

public Operator getHeadOperator()

getTailOperator

public Operator getTailOperator()

saveCheckpoint

public Serializable saveCheckpoint()

Description copied from interface: Operator

See Function.saveCheckpoint().

Specified by:

saveCheckpoint in interface Operator

Overrides:

saveCheckpoint in class StreamOperator<Function>

loadCheckpoint

public void loadCheckpoint(Serializable checkpointObject)

Description copied from interface: Operator

See Function.loadCheckpoint(Serializable).

Specified by:

loadCheckpoint in interface Operator

Overrides:

loadCheckpoint in class StreamOperator<Function>

newChainedOperator

public static ChainedOperator newChainedOperator(List<StreamOperator> operators,
                                                 List<Map<String,String>> configs)