Package io.atleon.rabbitmq

Class AloRabbitMQReceiver<T>

java.lang.Object

io.atleon.rabbitmq.AloRabbitMQReceiver<T>

Type Parameters:

T - Inbound message deserialized body type

public class AloRabbitMQReceiver<T>
extends Object

A reactive RabbitMQ receiver with at-least-once semantics for consuming messages from a queue in a RabbitMQ cluster.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
static class	AloRabbitMQReceiver.NackStrategy	Strategy for handling Nacknowledgement - EMIT causes error to be emitted to subscribers - REQUEUE causes nacknowledged message to be nack'd with requeue - DISCARD causes nacknowledged message to be nack'ed with discard Default is EMIT

Field Summary

Fields

Modifier and Type	Field	Description
static String	ALO_DECORATOR_DESCRIPTORS_CONFIG	Optional comma-separated list of AloRabbitMQMessageDecorator descriptors.
static String	BODY_DESERIALIZER_CONFIG	An implementation of BodyDeserializer used to deserialized message bodies
static String	CONFIG_PREFIX	Prefix used on all AloRabbitMQReceiver-specific configurations
static String	NACK_STRATEGY_CONFIG	Strategy used for handling Nacknowledgement.
static String	QOS_CONFIG	The maximum allowed number unacknowledged messages (per subscription)

Method Summary

Modifier and Type	Method	Description
static <T> AloRabbitMQReceiver<T>	from(RabbitMQConfigSource configSource)	Creates a new AloRabbitMQReceiver from the provided RabbitMQConfigSource
io.atleon.core.AloFlux<T>	receiveAloBodies(String queue)	Creates a Publisher of Alo items referencing deserialized RabbitMQ message bodies wrapped as an AloFlux.
io.atleon.core.AloFlux<RabbitMQMessage<T>>	receiveAloMessages(String queue)	Creates a Publisher of Alo items referencing RabbitMQMessages wrapped as an AloFlux.

Methods inherited from class java.lang.Object

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

Field Detail

CONFIG_PREFIX

public static final String CONFIG_PREFIX

Prefix used on all AloRabbitMQReceiver-specific configurations

See Also:

Constant Field Values

QOS_CONFIG

public static final String QOS_CONFIG

The maximum allowed number unacknowledged messages (per subscription)

See Also:

Constant Field Values

BODY_DESERIALIZER_CONFIG

public static final String BODY_DESERIALIZER_CONFIG

An implementation of BodyDeserializer used to deserialized message bodies

See Also:

Constant Field Values

NACK_STRATEGY_CONFIG

public static final String NACK_STRATEGY_CONFIG

Strategy used for handling Nacknowledgement. See AloRabbitMQReceiver.NackStrategy

See Also:

Constant Field Values

ALO_DECORATOR_DESCRIPTORS_CONFIG

public static final String ALO_DECORATOR_DESCRIPTORS_CONFIG

Optional comma-separated list of AloRabbitMQMessageDecorator descriptors. Each descriptor is either a predefined type defined in AloDecoratorConfig or a fully qualified name of a class that implements AloRabbitMQMessageDecorator. Defaults to AloDecoratorConfig.DESCRIPTOR_AUTO, which results in automatic loading of decorators through the ServiceLoader SPI.

See Also:

Constant Field Values

Method Detail

from

public static <T> AloRabbitMQReceiver<T> from(RabbitMQConfigSource configSource)

Creates a new AloRabbitMQReceiver from the provided RabbitMQConfigSource

Type Parameters:

T - The types of deserialized message bodies contained in received messages

Parameters:

configSource - The reactive source of RabbitMQConfig

Returns:

A new AloRabbitMQReceiver

receiveAloBodies

public io.atleon.core.AloFlux<T> receiveAloBodies(String queue)

Creates a Publisher of Alo items referencing deserialized RabbitMQ message bodies wrapped as an AloFlux.

Parameters:

queue - The queue to subscribe to

Returns:

A Publisher of Alo items referencing deserialized RabbitMQ message bodies

receiveAloMessages

public io.atleon.core.AloFlux<RabbitMQMessage<T>> receiveAloMessages(String queue)

Creates a Publisher of Alo items referencing RabbitMQMessages wrapped as an AloFlux.

Parameters:

queue - The queue to subscribe to

Returns:

A Publisher of Alo items referencing RabbitMQMessages