org.apache.pulsar.storm

Class PulsarSpout

java.lang.Object

backtype.storm.topology.base.BaseComponent

backtype.storm.topology.base.BaseRichSpout

org.apache.pulsar.storm.PulsarSpout

All Implemented Interfaces:

backtype.storm.metric.api.IMetric, backtype.storm.spout.ISpout, backtype.storm.topology.IComponent, backtype.storm.topology.IRichSpout, Serializable

public class PulsarSpout
extends backtype.storm.topology.base.BaseRichSpout
implements backtype.storm.metric.api.IMetric

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
class	PulsarSpout.MessageRetries

Field Summary

Fields

Modifier and Type	Field and Description
static String	CONSUMER_RATE
static String	CONSUMER_THROUGHPUT_BYTES
static String	NO_OF_MESSAGES_EMITTED
static String	NO_OF_MESSAGES_RECEIVED
static String	NO_OF_PENDING_ACKS
static String	NO_OF_PENDING_FAILED_MESSAGES

Constructor Summary

Constructors

Constructor and Description
PulsarSpout(PulsarSpoutConfiguration pulsarSpoutConf, ClientConfiguration clientConf)
PulsarSpout(PulsarSpoutConfiguration pulsarSpoutConf, ClientConfiguration clientConf, ConsumerConfiguration consumerConf)

Method Summary

Modifier and Type	Method and Description
void	ack(Object msgId)
void	close()
void	declareOutputFields(backtype.storm.topology.OutputFieldsDeclarer declarer)
void	fail(Object msgId)
Object	getValueAndReset()
void	nextTuple() Emits a tuple received from the Pulsar consumer unless there are any failed messages
void	open(Map conf, backtype.storm.task.TopologyContext context, backtype.storm.spout.SpoutOutputCollector collector)

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

activate, deactivate

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

Field Detail

NO_OF_PENDING_FAILED_MESSAGES

public static final String NO_OF_PENDING_FAILED_MESSAGES

See Also:

Constant Field Values

NO_OF_MESSAGES_RECEIVED

public static final String NO_OF_MESSAGES_RECEIVED

See Also:

Constant Field Values

NO_OF_MESSAGES_EMITTED

public static final String NO_OF_MESSAGES_EMITTED

See Also:

Constant Field Values

NO_OF_PENDING_ACKS

public static final String NO_OF_PENDING_ACKS

See Also:

Constant Field Values

CONSUMER_RATE

public static final String CONSUMER_RATE

See Also:

Constant Field Values

CONSUMER_THROUGHPUT_BYTES

public static final String CONSUMER_THROUGHPUT_BYTES

See Also:

Constant Field Values

Constructor Detail

PulsarSpout

public PulsarSpout(PulsarSpoutConfiguration pulsarSpoutConf,
                   ClientConfiguration clientConf)

PulsarSpout

public PulsarSpout(PulsarSpoutConfiguration pulsarSpoutConf,
                   ClientConfiguration clientConf,
                   ConsumerConfiguration consumerConf)

Method Detail

close

public void close()

Specified by:

close in interface backtype.storm.spout.ISpout

Overrides:

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

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

nextTuple

public void nextTuple()

Emits a tuple received from the Pulsar consumer unless there are any failed messages

Specified by:

nextTuple in interface backtype.storm.spout.ISpout

open

public void open(Map conf,
                 backtype.storm.task.TopologyContext context,
                 backtype.storm.spout.SpoutOutputCollector collector)

Specified by:

open in interface backtype.storm.spout.ISpout

declareOutputFields

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

Specified by:

declareOutputFields in interface backtype.storm.topology.IComponent

getValueAndReset

public Object getValueAndReset()

Specified by:

getValueAndReset in interface backtype.storm.metric.api.IMetric