org.apache.storm.hbase.bolt

Class HBaseLookupBolt

java.lang.Object

org.apache.storm.topology.base.BaseComponent

org.apache.storm.topology.base.BaseRichBolt

org.apache.storm.hbase.bolt.AbstractHBaseBolt

org.apache.storm.hbase.bolt.HBaseLookupBolt

All Implemented Interfaces:

Serializable, IBolt, IComponent, IRichBolt

public class HBaseLookupBolt
extends AbstractHBaseBolt

Basic bolt for querying from HBase.

Note: Each HBaseBolt defined in a topology is tied to a specific table.

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.storm.hbase.bolt.AbstractHBaseBolt

collector, configKey, hBaseClient, mapper, tableName

Constructor Summary

Constructors

Constructor and Description
HBaseLookupBolt(String tableName, HBaseMapper mapper, HBaseValueMapper rowToTupleMapper)

Method Summary

Modifier and Type	Method and Description
void	declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer)
void	execute(Tuple tuple)
HBaseLookupBolt	withConfigKey(String configKey)
HBaseLookupBolt	withProjectionCriteria(HBaseProjectionCriteria projectionCriteria)

Methods inherited from class org.apache.storm.hbase.bolt.AbstractHBaseBolt

cleanup, prepare

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

HBaseLookupBolt

public HBaseLookupBolt(String tableName,
                       HBaseMapper mapper,
                       HBaseValueMapper rowToTupleMapper)

Method Detail

withConfigKey

public HBaseLookupBolt withConfigKey(String configKey)

withProjectionCriteria

public HBaseLookupBolt withProjectionCriteria(HBaseProjectionCriteria projectionCriteria)

execute

public void execute(Tuple tuple)

declareOutputFields

public void declareOutputFields(OutputFieldsDeclarer outputFieldsDeclarer)