ru.kiryam.storm.rabbitmq

Class RabbitMQSpout

java.lang.Object

backtype.storm.topology.base.BaseComponent

backtype.storm.topology.base.BaseRichSpout

ru.kiryam.storm.rabbitmq.RabbitMQSpout

All Implemented Interfaces:

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

Direct Known Subclasses:

MultiStreamSpout, UnanchoredRabbitMQSpout

public class RabbitMQSpout
extends backtype.storm.topology.base.BaseRichSpout

A simple RabbitMQ spout that emits an anchored tuple stream (on the default stream). This can be used with Storm's guaranteed message processing.

Author:

peter@latent.io

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
RabbitMQSpout(MessageScheme scheme, Declarator declarator)
RabbitMQSpout(MessageScheme scheme, Declarator declarator, String streamId)
RabbitMQSpout(backtype.storm.spout.Scheme scheme)
RabbitMQSpout(backtype.storm.spout.Scheme scheme, Declarator declarator)
RabbitMQSpout(backtype.storm.spout.Scheme scheme, Declarator declarator, String streamId)
RabbitMQSpout(backtype.storm.spout.Scheme scheme, String streamId)

Method Summary

Methods

Modifier and Type	Method and Description
void	ack(Object msgId)
void	activate()
void	close()
void	deactivate()
void	declareOutputFields(backtype.storm.topology.OutputFieldsDeclarer outputFieldsDeclarer)
protected List<Integer>	emit(List<Object> tuple, Message message, backtype.storm.spout.SpoutOutputCollector spoutOutputCollector)
void	fail(Object msgId)
protected long	getDeliveryTag(Message message)
protected RabbitMQConsumer	loadConsumer(Declarator declarator, ErrorReporter reporter, ConsumerConfig config)
void	nextTuple()
void	open(Map config, backtype.storm.task.TopologyContext context, backtype.storm.spout.SpoutOutputCollector spoutOutputCollector)

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

RabbitMQSpout

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

RabbitMQSpout

public RabbitMQSpout(backtype.storm.spout.Scheme scheme,
             String streamId)

RabbitMQSpout

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

RabbitMQSpout

public RabbitMQSpout(MessageScheme scheme,
             Declarator declarator)

RabbitMQSpout

public RabbitMQSpout(backtype.storm.spout.Scheme scheme,
             Declarator declarator,
             String streamId)

RabbitMQSpout

public RabbitMQSpout(MessageScheme scheme,
             Declarator declarator,
             String streamId)

Method Detail

open

public void open(Map config,
        backtype.storm.task.TopologyContext context,
        backtype.storm.spout.SpoutOutputCollector spoutOutputCollector)

loadConsumer

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

close

public void close()

Specified by:

close in interface backtype.storm.spout.ISpout

Overrides:

close in class backtype.storm.topology.base.BaseRichSpout

nextTuple

public void nextTuple()

emit

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

ack

public void ack(Object msgId)

Specified by:

ack in interface backtype.storm.spout.ISpout

Overrides:

ack in class backtype.storm.topology.base.BaseRichSpout

fail

public void fail(Object msgId)

Specified by:

fail in interface backtype.storm.spout.ISpout

Overrides:

fail in class backtype.storm.topology.base.BaseRichSpout

declareOutputFields

public void declareOutputFields(backtype.storm.topology.OutputFieldsDeclarer outputFieldsDeclarer)

deactivate

public void deactivate()

Specified by:

deactivate in interface backtype.storm.spout.ISpout

Overrides:

deactivate in class backtype.storm.topology.base.BaseRichSpout

activate

public void activate()

Specified by:

activate in interface backtype.storm.spout.ISpout

Overrides:

activate in class backtype.storm.topology.base.BaseRichSpout

getDeliveryTag

protected long getDeliveryTag(Message message)