Package org.apache.storm.elasticsearch.bolt

Class EsLookupBolt

java.lang.Object

org.apache.storm.topology.base.BaseComponent

org.apache.storm.topology.base.BaseRichBolt

org.apache.storm.topology.base.BaseTickTupleAwareRichBolt

org.apache.storm.elasticsearch.bolt.AbstractEsBolt

org.apache.storm.elasticsearch.bolt.EsLookupBolt

All Implemented Interfaces:

Serializable, IBolt, IComponent, IRichBolt

public class EsLookupBolt
extends AbstractEsBolt

Basic bolt for looking up document in ES.

Since:

0.11

See Also:

• Serialized Form

Field Summary

Fields inherited from class org.apache.storm.elasticsearch.bolt.AbstractEsBolt

client, collector, objectMapper

Constructor Summary

Constructors

Constructor	Description
EsLookupBolt(EsConfig esConfig)	EsLookupBolt constructor.
EsLookupBolt(EsConfig esConfig, EsTupleMapper tupleMapper, EsLookupResultOutput output)	EsLookupBolt constructor.

Method Summary

Modifier and Type	Method	Description
void	declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer)	Declare the output schema for all the streams of this topology.
void	process(Tuple tuple)	Process a single non-tick tuple of input.

Methods inherited from class org.apache.storm.elasticsearch.bolt.AbstractEsBolt

prepare

Methods inherited from class org.apache.storm.topology.base.BaseTickTupleAwareRichBolt

execute, onTickTuple

Methods inherited from class org.apache.storm.topology.base.BaseRichBolt

cleanup

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 Details

EsLookupBolt

public EsLookupBolt(EsConfig esConfig)

EsLookupBolt constructor.

Parameters:

esConfig - Elasticsearch configuration containing node addresses EsConfig

Throws:

NullPointerException - if any of the parameters is null

EsLookupBolt

public EsLookupBolt(EsConfig esConfig,
 EsTupleMapper tupleMapper,
 EsLookupResultOutput output)

EsLookupBolt constructor.

Parameters:

esConfig - Elasticsearch configuration containing node addresses EsConfig

tupleMapper - Tuple to ES document mapper EsTupleMapper

output - ES response to Values mapper EsLookupResultOutput

Throws:

NullPointerException - if any of the parameters is null

Method Details

process

public void process(Tuple tuple)

Description copied from class: BaseTickTupleAwareRichBolt

Process a single non-tick tuple of input. Implementation needs to handle ack manually. More details on IBolt.execute(Tuple).

Specified by:

process in class BaseTickTupleAwareRichBolt

Parameters:

tuple - The input tuple to be processed.

declareOutputFields

public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer)

Description copied from interface: IComponent

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

Specified by:

declareOutputFields in interface IComponent

Overrides:

declareOutputFields in class AbstractEsBolt

Parameters:

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