org.apache.storm.redis.bolt

Class RedisLookupBolt

java.lang.Object

org.apache.storm.topology.base.BaseComponent

org.apache.storm.topology.base.BaseRichBolt

org.apache.storm.topology.base.BaseTickTupleAwareRichBolt

org.apache.storm.redis.bolt.AbstractRedisBolt

org.apache.storm.redis.bolt.RedisLookupBolt

All Implemented Interfaces:

Serializable, IBolt, IComponent, IRichBolt

public class RedisLookupBolt
extends AbstractRedisBolt

Basic bolt for querying from Redis and emits response as tuple.

Various data types are supported: STRING, LIST, HASH, SET, SORTED_SET, HYPER_LOG_LOG

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.storm.redis.bolt.AbstractRedisBolt

collector

Constructor Summary

Constructors

Constructor and Description
RedisLookupBolt(JedisClusterConfig config, RedisLookupMapper lookupMapper) Constructor for Redis Cluster environment (JedisCluster)
RedisLookupBolt(JedisPoolConfig config, RedisLookupMapper lookupMapper) Constructor for single Redis environment (JedisPool)

Method Summary

Modifier and Type	Method and Description
void	declareOutputFields(OutputFieldsDeclarer declarer)
void	process(Tuple input)

Methods inherited from class org.apache.storm.redis.bolt.AbstractRedisBolt

getInstance, prepare, returnInstance

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 Detail

RedisLookupBolt

public RedisLookupBolt(JedisPoolConfig config,
                       RedisLookupMapper lookupMapper)

Constructor for single Redis environment (JedisPool)

Parameters:

config - configuration for initializing JedisPool

lookupMapper - mapper containing which datatype, query key, output key that Bolt uses

RedisLookupBolt

public RedisLookupBolt(JedisClusterConfig config,
                       RedisLookupMapper lookupMapper)

Constructor for Redis Cluster environment (JedisCluster)

Parameters:

config - configuration for initializing JedisCluster

lookupMapper - mapper containing which datatype, query key, output key that Bolt uses

Method Detail

process

public void process(Tuple input)

Specified by:

process in class BaseTickTupleAwareRichBolt

declareOutputFields

public void declareOutputFields(OutputFieldsDeclarer declarer)