ru.kiryam.storm.rabbitmq

Class UnanchoredRabbitMQSpout

java.lang.Object

backtype.storm.topology.base.BaseComponent

backtype.storm.topology.base.BaseRichSpout

ru.kiryam.storm.rabbitmq.RabbitMQSpout

ru.kiryam.storm.rabbitmq.UnanchoredRabbitMQSpout

All Implemented Interfaces:

backtype.storm.spout.ISpout, backtype.storm.topology.IComponent, backtype.storm.topology.IRichSpout, Serializable

public class UnanchoredRabbitMQSpout
extends RabbitMQSpout

A RabbitMQ spout that emits an unanchored tuple stream on default stream. Should be used when Storm's guaranteed message processing is not needed. Messages will be removed from RabbitMQ queue as soon as it's delivered to storm and will not be retried on any errors during processing.

Author:

peter@latent.io

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
UnanchoredRabbitMQSpout(backtype.storm.spout.Scheme scheme)
UnanchoredRabbitMQSpout(backtype.storm.spout.Scheme scheme, Declarator declarator)

Method Summary

Methods

Modifier and Type	Method and Description
void	ack(Object msgId)
protected List<Integer>	emit(List<Object> tuple, Message message, backtype.storm.spout.SpoutOutputCollector spoutOutputCollector)
void	fail(Object msgId)
protected RabbitMQConsumer	loadConsumer(Declarator declarator, ErrorReporter reporter, ConsumerConfig config)

Methods inherited from class ru.kiryam.storm.rabbitmq.RabbitMQSpout

activate, close, deactivate, declareOutputFields, getDeliveryTag, nextTuple, open

Methods inherited from class backtype.storm.topology.base.BaseComponent

getComponentConfiguration

Methods inherited from class java.lang.Object

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

Methods inherited from interface backtype.storm.topology.IComponent

getComponentConfiguration

Constructor Detail

UnanchoredRabbitMQSpout

public UnanchoredRabbitMQSpout(backtype.storm.spout.Scheme scheme)

UnanchoredRabbitMQSpout

public UnanchoredRabbitMQSpout(backtype.storm.spout.Scheme scheme,
                       Declarator declarator)

Method Detail

loadConsumer

protected RabbitMQConsumer loadConsumer(Declarator declarator,
                            ErrorReporter reporter,
                            ConsumerConfig config)

Overrides:

loadConsumer in class RabbitMQSpout

ack

public void ack(Object msgId)

Specified by:

ack in interface backtype.storm.spout.ISpout

Overrides:

ack in class RabbitMQSpout

fail

public void fail(Object msgId)

Specified by:

fail in interface backtype.storm.spout.ISpout

Overrides:

fail in class RabbitMQSpout

emit

protected List<Integer> emit(List<Object> tuple,
                 Message message,
                 backtype.storm.spout.SpoutOutputCollector spoutOutputCollector)

Overrides:

emit in class RabbitMQSpout