Package org.apache.storm.redis.trident.state

Class RedisMapState<T>

java.lang.Object

org.apache.storm.redis.trident.state.AbstractRedisMapState<T>

org.apache.storm.redis.trident.state.RedisMapState<T>

Type Parameters:

T - value's type class

All Implemented Interfaces:

IBackingMap<T>

public class RedisMapState<T>
extends AbstractRedisMapState<T>

IBackingMap implementation for single Redis environment.

See Also:

AbstractRedisMapState

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
protected static class	RedisMapState.Factory	RedisMapState.Factory provides single Redis environment version of StateFactory.

Field Summary

Fields inherited from class org.apache.storm.redis.trident.state.AbstractRedisMapState

DEFAULT_SERIALIZERS

Constructor Summary

Constructors

Constructor	Description
RedisMapState(redis.clients.jedis.JedisPool jedisPool, Options options, Serializer<T> serializer, KeyFactory keyFactory)	Constructor.

Method Summary

Modifier and Type	Method	Description
protected KeyFactory	getKeyFactory()	Returns KeyFactory which is used for converting state key -> Redis key.
protected Serializer	getSerializer()	Returns Serializer which is used for serializing tuple value and deserializing Redis value.
static StateFactory	nonTransactional(JedisPoolConfig jedisPoolConfig)	Provides StateFactory for non transactional.
static StateFactory	nonTransactional(JedisPoolConfig jedisPoolConfig, RedisDataTypeDescription dataTypeDescription)	Provides StateFactory for non transactional.
static StateFactory	nonTransactional(JedisPoolConfig jedisPoolConfig, KeyFactory factory)	Provides StateFactory for non transactional.
static StateFactory	nonTransactional(JedisPoolConfig jedisPoolConfig, Options<Object> opts)	Provides StateFactory for non transactional.
static StateFactory	opaque(JedisPoolConfig jedisPoolConfig)	Provides StateFactory for opaque transactional.
static StateFactory	opaque(JedisPoolConfig jedisPoolConfig, RedisDataTypeDescription dataTypeDescription)	Provides StateFactory for opaque transactional.
static StateFactory	opaque(JedisPoolConfig jedisPoolConfig, KeyFactory factory)	Provides StateFactory for opaque transactional.
static StateFactory	opaque(JedisPoolConfig jedisPoolConfig, Options<OpaqueValue> opts)	Provides StateFactory for opaque transactional.
protected List<String>	retrieveValuesFromRedis(List<String> keys)	Retrieves values from Redis that each value is corresponding to each key.
static StateFactory	transactional(JedisPoolConfig jedisPoolConfig)	Provides StateFactory for transactional.
static StateFactory	transactional(JedisPoolConfig jedisPoolConfig, RedisDataTypeDescription dataTypeDescription)	Provides StateFactory for transactional.
static StateFactory	transactional(JedisPoolConfig jedisPoolConfig, KeyFactory factory)	Provides StateFactory for transactional.
static StateFactory	transactional(JedisPoolConfig jedisPoolConfig, Options<TransactionalValue> opts)	Provides StateFactory for transactional.
protected void	updateStatesToRedis(Map<String,String> keyValues)	Updates (key, value) pairs to Redis.

Methods inherited from class org.apache.storm.redis.trident.state.AbstractRedisMapState

multiGet, multiPut

Methods inherited from class java.lang.Object

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

Constructor Detail

RedisMapState

public RedisMapState(redis.clients.jedis.JedisPool jedisPool,
                     Options options,
                     Serializer<T> serializer,
                     KeyFactory keyFactory)

Constructor.

Parameters:

jedisPool - JedisPool

options - options of State

serializer - Serializer

keyFactory - KeyFactory

Method Detail

opaque

public static StateFactory opaque(JedisPoolConfig jedisPoolConfig)

Provides StateFactory for opaque transactional.

Parameters:

jedisPoolConfig - configuration for JedisPool

Returns:

StateFactory

opaque

public static StateFactory opaque(JedisPoolConfig jedisPoolConfig,
                                  RedisDataTypeDescription dataTypeDescription)

Provides StateFactory for opaque transactional.

Parameters:

jedisPoolConfig - configuration for JedisPool

dataTypeDescription - definition of data type

Returns:

StateFactory

opaque

public static StateFactory opaque(JedisPoolConfig jedisPoolConfig,
                                  KeyFactory factory)

Provides StateFactory for opaque transactional.

Parameters:

jedisPoolConfig - configuration for JedisPool

factory - key factory

Returns:

StateFactory

opaque

public static StateFactory opaque(JedisPoolConfig jedisPoolConfig,
                                  Options<OpaqueValue> opts)

Provides StateFactory for opaque transactional.

Parameters:

jedisPoolConfig - configuration for JedisPool

opts - options of State

Returns:

StateFactory

transactional

public static StateFactory transactional(JedisPoolConfig jedisPoolConfig)

Provides StateFactory for transactional.

Parameters:

jedisPoolConfig - configuration for JedisPool

Returns:

StateFactory

transactional

public static StateFactory transactional(JedisPoolConfig jedisPoolConfig,
                                         RedisDataTypeDescription dataTypeDescription)

Provides StateFactory for transactional.

Parameters:

jedisPoolConfig - configuration for JedisPool

dataTypeDescription - definition of data type

Returns:

StateFactory

transactional

public static StateFactory transactional(JedisPoolConfig jedisPoolConfig,
                                         KeyFactory factory)

Provides StateFactory for transactional.

Parameters:

jedisPoolConfig - configuration for JedisPool

factory - key factory

Returns:

StateFactory

transactional

public static StateFactory transactional(JedisPoolConfig jedisPoolConfig,
                                         Options<TransactionalValue> opts)

Provides StateFactory for transactional.

Parameters:

jedisPoolConfig - configuration for JedisPool

opts - options of State

Returns:

StateFactory

nonTransactional

public static StateFactory nonTransactional(JedisPoolConfig jedisPoolConfig)

Provides StateFactory for non transactional.

Parameters:

jedisPoolConfig - configuration for JedisPool

Returns:

StateFactory

nonTransactional

public static StateFactory nonTransactional(JedisPoolConfig jedisPoolConfig,
                                            RedisDataTypeDescription dataTypeDescription)

Provides StateFactory for non transactional.

Parameters:

jedisPoolConfig - configuration for JedisPool

dataTypeDescription - definition of data type

Returns:

StateFactory

nonTransactional

public static StateFactory nonTransactional(JedisPoolConfig jedisPoolConfig,
                                            KeyFactory factory)

Provides StateFactory for non transactional.

Parameters:

jedisPoolConfig - configuration for JedisPool

factory - key factory

Returns:

StateFactory

nonTransactional

public static StateFactory nonTransactional(JedisPoolConfig jedisPoolConfig,
                                            Options<Object> opts)

Provides StateFactory for non transactional.

Parameters:

jedisPoolConfig - configuration for JedisPool

opts - options of State

Returns:

StateFactory

getSerializer

protected Serializer getSerializer()

Returns Serializer which is used for serializing tuple value and deserializing Redis value.

Specified by:

getSerializer in class AbstractRedisMapState<T>

Returns:

serializer

getKeyFactory

protected KeyFactory getKeyFactory()

Returns KeyFactory which is used for converting state key -> Redis key.

Specified by:

getKeyFactory in class AbstractRedisMapState<T>

Returns:

key factory

retrieveValuesFromRedis

protected List<String> retrieveValuesFromRedis(List<String> keys)

Retrieves values from Redis that each value is corresponding to each key.

Specified by:

retrieveValuesFromRedis in class AbstractRedisMapState<T>

Parameters:

keys - keys having state values

Returns:

values which are corresponding to keys

updateStatesToRedis

protected void updateStatesToRedis(Map<String,String> keyValues)

Updates (key, value) pairs to Redis.

Specified by:

updateStatesToRedis in class AbstractRedisMapState<T>

Parameters:

keyValues - (key, value) pairs