Package org.apache.storm.elasticsearch.trident

Class TridentEsTopology.FixedBatchSpout

java.lang.Object

org.apache.storm.elasticsearch.trident.TridentEsTopology.FixedBatchSpout

All Implemented Interfaces:

Serializable, IBatchSpout, ITridentDataSource

Enclosing class:

TridentEsTopology

public static class TridentEsTopology.FixedBatchSpout
extends Object
implements IBatchSpout

A fixed batch spout.

See Also:

• Serialized Form

Constructor Summary

Constructors

Constructor	Description
FixedBatchSpout(int maxBatchSizeArg)	Creates a new fixed batch spout.

Method Summary

Modifier and Type	Method	Description
void	ack(long batchId)	Acknowledges the message with id msgId.
void	close()	Closes the spout.
void	emitBatch(long batchId, TridentCollector collector)	Emits a batch.
Map<String,Object>	getComponentConfiguration()	Get the component configuration.
Fields	getOutputFields()	Gets the output fields.
void	open(Map<String,Object> conf, TopologyContext context)	Opens the spout.

Methods inherited from class java.lang.Object

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

Constructor Details

FixedBatchSpout

public FixedBatchSpout(int maxBatchSizeArg)

Creates a new fixed batch spout.

Parameters:

maxBatchSizeArg - the maximum batch size to set

Method Details

getOutputFields

public Fields getOutputFields()

Gets the output fields.

Specified by:

getOutputFields in interface IBatchSpout

Returns:

the output fields.

open

public void open(Map<String,Object> conf,
 TopologyContext context)

Opens the spout.

Specified by:

open in interface IBatchSpout

Parameters:

conf - the configuration to use for opening

context - the context to use for opening

emitBatch

public void emitBatch(long batchId,
 TridentCollector collector)

Emits a batch.

Specified by:

emitBatch in interface IBatchSpout

Parameters:

batchId - the batch id to use

collector - the collector to emit to

ack

public void ack(long batchId)

Acknowledges the message with id msgId.

Specified by:

ack in interface IBatchSpout

Parameters:

batchId - the message id

close

public void close()

Closes the spout.

Specified by:

close in interface IBatchSpout

getComponentConfiguration

public Map<String,Object> getComponentConfiguration()

Get the component configuration.

Specified by:

getComponentConfiguration in interface IBatchSpout

Returns:

the component configuration