Package com.linkedin.venice.pubsub.api

Class EmptyPubSubMessageHeaders

java.lang.Object

com.linkedin.venice.pubsub.api.PubSubMessageHeaders

com.linkedin.venice.pubsub.api.EmptyPubSubMessageHeaders

All Implemented Interfaces:

Measurable, Iterable<PubSubMessageHeader>

public class EmptyPubSubMessageHeaders
extends PubSubMessageHeaders

Field Summary

Fields

Modifier and Type	Field	Description
static final PubSubMessageHeaders	SINGLETON

Fields inherited from class com.linkedin.venice.pubsub.api.PubSubMessageHeaders

VENICE_LEADER_COMPLETION_STATE_HEADER, VENICE_TRANSPORT_PROTOCOL_HEADER

Method Summary

Modifier and Type	Method	Description
PubSubMessageHeaders	add(PubSubMessageHeader header)
PubSubMessageHeaders	add(String key, byte[] value)
int	getHeapSize()
boolean	isEmpty()
PubSubMessageHeaders	remove(String key)
List<PubSubMessageHeader>	toList()

Methods inherited from class com.linkedin.venice.pubsub.api.PubSubMessageHeaders

iterator

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Field Details

SINGLETON

public static final PubSubMessageHeaders SINGLETON

Method Details

add

public PubSubMessageHeaders add(PubSubMessageHeader header)

Overrides:

add in class PubSubMessageHeaders

add

public PubSubMessageHeaders add(String key,
 byte[] value)

Overrides:

add in class PubSubMessageHeaders

remove

public PubSubMessageHeaders remove(String key)

Overrides:

remove in class PubSubMessageHeaders

toList

public List<PubSubMessageHeader> toList()

Overrides:

toList in class PubSubMessageHeaders

Returns:

the headers as a List. Mutating this list will not affect the PubSubMessageHeaders. If no headers are present an empty list is returned.

isEmpty

public boolean isEmpty()

Overrides:

isEmpty in class PubSubMessageHeaders

getHeapSize

public int getHeapSize()

Specified by:

getHeapSize in interface Measurable

Overrides:

getHeapSize in class PubSubMessageHeaders