org.apache.apex.malhar.stream.api.operator

Class FunctionOperator<OUT,FUNCTION extends Function>

java.lang.Object

org.apache.apex.malhar.stream.api.operator.FunctionOperator<OUT,FUNCTION>

All Implemented Interfaces:

com.datatorrent.api.Component<com.datatorrent.api.Context.OperatorContext>, com.datatorrent.api.DAG.GenericOperator, com.datatorrent.api.Operator

Direct Known Subclasses:

FunctionOperator.FilterFunctionOperator, FunctionOperator.FlatMapFunctionOperator, FunctionOperator.FoldFunctionOperator, FunctionOperator.MapFunctionOperator, FunctionOperator.ReduceFunctionOperator

public class FunctionOperator<OUT,FUNCTION extends Function>
extends Object
implements com.datatorrent.api.Operator

Operators that wrap the functions

Since:

3.4.0

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	FunctionOperator.FilterFunctionOperator<IN>
static class	FunctionOperator.FlatMapFunctionOperator<IN,OUT>
static class	FunctionOperator.FoldFunctionOperator<IN,OUT>
static class	FunctionOperator.MapFunctionOperator<IN,OUT>
static class	FunctionOperator.ReduceFunctionOperator<IN>

Nested classes/interfaces inherited from interface com.datatorrent.api.Operator

com.datatorrent.api.Operator.ActivationListener<CONTEXT extends com.datatorrent.api.Context>, com.datatorrent.api.Operator.CheckpointListener, com.datatorrent.api.Operator.CheckpointNotificationListener, com.datatorrent.api.Operator.DelayOperator, com.datatorrent.api.Operator.IdleTimeHandler, com.datatorrent.api.Operator.InputPort<T>, com.datatorrent.api.Operator.OutputPort<T>, com.datatorrent.api.Operator.Port, com.datatorrent.api.Operator.ProcessingMode, com.datatorrent.api.Operator.ShutdownException, com.datatorrent.api.Operator.Unifier<T>

Nested classes/interfaces inherited from interface com.datatorrent.api.Component

com.datatorrent.api.Component.ComponentComplementPair<COMPONENT extends com.datatorrent.api.Component<?>,COMPLEMENT>

Field Summary

Fields

Modifier and Type	Field and Description
protected boolean	isAnnonymous
com.datatorrent.api.DefaultOutputPort<OUT>	output
protected boolean	stateful
protected FUNCTION	statefulF
protected FUNCTION	statelessF

Fields inherited from interface com.datatorrent.api.Component

CONCAT_SEPARATOR, SPLIT_SEPARATOR

Constructor Summary

Constructors

Constructor and Description
FunctionOperator() Default constructor to make kryo happy
FunctionOperator(FUNCTION f)

Method Summary

Methods

Modifier and Type	Method and Description
void	beginWindow(long l)
void	endWindow()
FUNCTION	getFunction()
FUNCTION	getStatefulF()
FUNCTION	getStatelessF()
boolean	isAnnonymous()
boolean	isStateful()
void	setIsAnnonymous(boolean isAnnonymous)
void	setStateful(boolean stateful)
void	setStatefulF(FUNCTION statefulF)
void	setStatelessF(FUNCTION statelessF)
void	setup(com.datatorrent.api.Context.OperatorContext context)
void	teardown()

Methods inherited from class java.lang.Object

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

Field Detail

statelessF

protected transient FUNCTION extends Function statelessF

statefulF

protected FUNCTION extends Function statefulF

stateful

protected boolean stateful

isAnnonymous

protected boolean isAnnonymous

output

public final transient com.datatorrent.api.DefaultOutputPort<OUT> output

Constructor Detail

FunctionOperator

public FunctionOperator(FUNCTION f)

FunctionOperator

public FunctionOperator()

Default constructor to make kryo happy

Method Detail

beginWindow

public void beginWindow(long l)

Specified by:

beginWindow in interface com.datatorrent.api.Operator

endWindow

public void endWindow()

Specified by:

endWindow in interface com.datatorrent.api.Operator

setup

public void setup(com.datatorrent.api.Context.OperatorContext context)

Specified by:

setup in interface com.datatorrent.api.Component<com.datatorrent.api.Context.OperatorContext>

teardown

public void teardown()

Specified by:

teardown in interface com.datatorrent.api.Component<com.datatorrent.api.Context.OperatorContext>

getFunction

public FUNCTION getFunction()

getStatelessF

public FUNCTION getStatelessF()

setStatelessF

public void setStatelessF(FUNCTION statelessF)

getStatefulF

public FUNCTION getStatefulF()

setStatefulF

public void setStatefulF(FUNCTION statefulF)

isStateful

public boolean isStateful()

setStateful

public void setStateful(boolean stateful)

isAnnonymous

public boolean isAnnonymous()

setIsAnnonymous

public void setIsAnnonymous(boolean isAnnonymous)