Package pl.allegro.tech.hermes.consumers.consumer.receiver

Class ThrottlingMessageReceiver

java.lang.Object

pl.allegro.tech.hermes.consumers.consumer.receiver.ThrottlingMessageReceiver

All Implemented Interfaces:

MessageReceiver

public class ThrottlingMessageReceiver
extends Object
implements MessageReceiver

Constructor Summary

Constructors

Constructor	Description
ThrottlingMessageReceiver(MessageReceiver receiver, IdleTimeCalculator idleTimeCalculator, pl.allegro.tech.hermes.api.SubscriptionName subscriptionName, pl.allegro.tech.hermes.common.metric.MetricsFacade metrics)

Method Summary

Modifier and Type	Method	Description
void	commit(Set<SubscriptionPartitionOffset> offsets)
Set<Integer>	getAssignedPartitions()
pl.allegro.tech.hermes.common.kafka.offset.PartitionOffsets	moveOffset(pl.allegro.tech.hermes.common.kafka.offset.PartitionOffsets offsets)
Optional<Message>	next()	Retrieves the next available message from the queue.
void	stop()
void	update(pl.allegro.tech.hermes.api.Subscription newSubscription)

Methods inherited from class java.lang.Object

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

Constructor Details

ThrottlingMessageReceiver

public ThrottlingMessageReceiver(MessageReceiver receiver,
 IdleTimeCalculator idleTimeCalculator,
 pl.allegro.tech.hermes.api.SubscriptionName subscriptionName,
 pl.allegro.tech.hermes.common.metric.MetricsFacade metrics)

Method Details

next

public Optional<Message> next()

Description copied from interface: MessageReceiver

Retrieves the next available message from the queue.

Depending on the context, the returned Optional can contain:

• A Message that contains a valid message ready to be sent.
• A Message with the `isFiltered` flag set, indicating that the message has been filtered and should be skipped during processing or sending.
• null, indicating that there are no messages currently available in the queue.

Specified by:

next in interface MessageReceiver

Returns:

an Optional containing the next Message if available; an Optional containing a filtered message if it should be skipped; or an empty Optional if there are no messages in the queue.

commit

public void commit(Set<SubscriptionPartitionOffset> offsets)

Specified by:

commit in interface MessageReceiver

moveOffset

public pl.allegro.tech.hermes.common.kafka.offset.PartitionOffsets moveOffset(pl.allegro.tech.hermes.common.kafka.offset.PartitionOffsets offsets)

Specified by:

moveOffset in interface MessageReceiver

getAssignedPartitions

public Set<Integer> getAssignedPartitions()

Specified by:

getAssignedPartitions in interface MessageReceiver

stop

public void stop()

Specified by:

stop in interface MessageReceiver

update

public void update(pl.allegro.tech.hermes.api.Subscription newSubscription)

Specified by:

update in interface MessageReceiver