org.axonframework.axonserver.connector.event.axon

Class PersistentStreamMessageSource

java.lang.Object

org.axonframework.axonserver.connector.event.axon.PersistentStreamMessageSource

All Implemented Interfaces:

SubscribableMessageSource<EventMessage<?>>

public class PersistentStreamMessageSource
extends Object
implements SubscribableMessageSource<EventMessage<?>>

A SubscribableMessageSource that receives event from a persistent stream from Axon Server. The persistent stream is identified by a unique name, which serves as an identifier for the PersistentStream connection with Axon Server. Using the same name for different instances will overwrite the existing connection.

Since:

4.10.0

Author:

Marc Gathier

Constructor Summary

Constructors

Constructor and Description
PersistentStreamMessageSource(String name, Configuration configuration, io.axoniq.axonserver.connector.event.PersistentStreamProperties persistentStreamProperties, ScheduledExecutorService scheduler, int batchSize) Instantiates a PersistentStreamMessageSource.
PersistentStreamMessageSource(String name, Configuration configuration, io.axoniq.axonserver.connector.event.PersistentStreamProperties persistentStreamProperties, ScheduledExecutorService scheduler, int batchSize, String context) Instantiates a PersistentStreamMessageSource.

Method Summary

Modifier and Type	Method and Description
Registration	subscribe(Consumer<List<? extends EventMessage<?>>> consumer) Subscribe the given messageProcessor to this message source.

Methods inherited from class java.lang.Object

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

Constructor Detail

PersistentStreamMessageSource

public PersistentStreamMessageSource(String name,
                                     Configuration configuration,
                                     io.axoniq.axonserver.connector.event.PersistentStreamProperties persistentStreamProperties,
                                     ScheduledExecutorService scheduler,
                                     int batchSize)

Instantiates a PersistentStreamMessageSource.

Parameters:

name - The name of the persistent stream. It's a unique identifier of the PersistentStream connection with Axon Sever. Usage of the same name will overwrite the existing connection.

configuration - Global configuration of Axon components.

persistentStreamProperties - Properties for the persistent stream.

scheduler - Scheduler thread pool to schedule tasks.

batchSize - The batch size for collecting events.

PersistentStreamMessageSource

public PersistentStreamMessageSource(String name,
                                     Configuration configuration,
                                     io.axoniq.axonserver.connector.event.PersistentStreamProperties persistentStreamProperties,
                                     ScheduledExecutorService scheduler,
                                     int batchSize,
                                     String context)

Instantiates a PersistentStreamMessageSource.

Parameters:

name - The name of the persistent stream. It's a unique identifier of the PersistentStream connection with Axon Sever. Usage of the same name will overwrite the existing connection.

configuration - Global configuration of Axon components.

persistentStreamProperties - Properties for the persistent stream.

scheduler - Scheduler thread pool to schedule tasks.

batchSize - The batch size for collecting events.

context - The context in which this persistent stream exists (or needs to be created).

Method Detail

subscribe

public Registration subscribe(@Nonnull
                              Consumer<List<? extends EventMessage<?>>> consumer)

Description copied from interface: SubscribableMessageSource

Subscribe the given messageProcessor to this message source. When subscribed, it will receive all messages published to this source.

If the given messageProcessor is already subscribed, nothing happens.

Specified by:

subscribe in interface SubscribableMessageSource<EventMessage<?>>

Parameters:

consumer - The message processor to subscribe

Returns:

a handle to unsubscribe the messageProcessor. When unsubscribed it will no longer receive messages.