org.apache.kafka.streams.processor

Class To

java.lang.Object

org.apache.kafka.streams.processor.To

public class To
extends Object

This class is used to provide the optional parameters when sending output records to downstream processor using ProcessorContext.forward(Object, Object, To).

Field Summary

Fields

Modifier and Type	Field and Description
protected String	childName
protected long	timestamp

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	To(To to)

Method Summary

Modifier and Type	Method and Description
static To	all() Forward the key/value pair to all downstream processors
static To	child(String childName) Forward the key/value pair to one of the downstream processors designated by the downstream processor name.
boolean	equals(Object o)
int	hashCode() Equality is implemented in support of tests, *not* for use in Hash collections, since this class is mutable.
String	toString()
protected void	update(To to)
To	withTimestamp(long timestamp) Set the timestamp of the output record.

Methods inherited from class java.lang.Object

clone, finalize, getClass, notify, notifyAll, wait, wait, wait

Field Detail

childName

protected String childName

timestamp

protected long timestamp

Constructor Detail

To

protected To(To to)

Method Detail

update

protected void update(To to)

child

public static To child(String childName)

Forward the key/value pair to one of the downstream processors designated by the downstream processor name.

Parameters:

childName - name of downstream processor

Returns:

a new To instance configured with childName

all

public static To all()

Forward the key/value pair to all downstream processors

Returns:

a new To instance configured for all downstream processor

withTimestamp

public To withTimestamp(long timestamp)

Set the timestamp of the output record.

Parameters:

timestamp - the output record timestamp

Returns:

itself (i.e., this)

equals

public boolean equals(Object o)

Overrides:

equals in class Object

hashCode

public int hashCode()

Equality is implemented in support of tests, *not* for use in Hash collections, since this class is mutable.

Overrides:

hashCode in class Object

toString

public String toString()

Overrides:

toString in class Object