org.apache.storm.starter

Class TransactionalGlobalCount.UpdateGlobalCount

java.lang.Object

org.apache.storm.topology.base.BaseComponent

org.apache.storm.topology.base.BaseBatchBolt<TransactionAttempt>

org.apache.storm.topology.base.BaseTransactionalBolt

org.apache.storm.starter.TransactionalGlobalCount.UpdateGlobalCount

All Implemented Interfaces:

Serializable, IBatchBolt<TransactionAttempt>, IComponent, ICommitter

Enclosing class:

TransactionalGlobalCount

public static class TransactionalGlobalCount.UpdateGlobalCount
extends BaseTransactionalBolt
implements ICommitter

See Also:

Serialized Form

Constructor Summary

Constructors

Constructor and Description
UpdateGlobalCount()

Method Summary

Modifier and Type	Method and Description
void	declareOutputFields(OutputFieldsDeclarer declarer) Declare the output schema for all the streams of this topology.
void	execute(Tuple tuple)
void	finishBatch()
void	prepare(Map conf, TopologyContext context, BatchOutputCollector collector, TransactionAttempt attempt)

Methods inherited from class org.apache.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 org.apache.storm.topology.IComponent

getComponentConfiguration

Constructor Detail

UpdateGlobalCount

public UpdateGlobalCount()

Method Detail

prepare

public void prepare(Map conf,
                    TopologyContext context,
                    BatchOutputCollector collector,
                    TransactionAttempt attempt)

Specified by:

prepare in interface IBatchBolt<TransactionAttempt>

execute

public void execute(Tuple tuple)

Specified by:

execute in interface IBatchBolt<TransactionAttempt>

finishBatch

public void finishBatch()

Specified by:

finishBatch in interface IBatchBolt<TransactionAttempt>

declareOutputFields

public void declareOutputFields(OutputFieldsDeclarer declarer)

Description copied from interface: IComponent

Declare the output schema for all the streams of this topology.

Specified by:

declareOutputFields in interface IComponent

Parameters:

declarer - this is used to declare output stream ids, output fields, and whether or not each output stream is a direct stream