Module lettuce.core

Package io.lettuce.core.pubsub

Class RedisPubSubAsyncCommandsImpl<K,V>

java.lang.Object

io.lettuce.core.AbstractRedisAsyncCommands<K,V>

io.lettuce.core.RedisAsyncCommandsImpl<K,V>

io.lettuce.core.pubsub.RedisPubSubAsyncCommandsImpl<K,V>

Type Parameters:

K - Key type.

V - Value type.

All Implemented Interfaces:

BaseRedisAsyncCommands<K,V>, RedisAclAsyncCommands<K,V>, RedisAsyncCommands<K,V>, RedisGeoAsyncCommands<K,V>, RedisHashAsyncCommands<K,V>, RedisHLLAsyncCommands<K,V>, RedisKeyAsyncCommands<K,V>, RedisListAsyncCommands<K,V>, RedisScriptingAsyncCommands<K,V>, RedisServerAsyncCommands<K,V>, RedisSetAsyncCommands<K,V>, RedisSortedSetAsyncCommands<K,V>, RedisStreamAsyncCommands<K,V>, RedisStringAsyncCommands<K,V>, RedisTransactionalAsyncCommands<K,V>, RedisClusterAsyncCommands<K,V>, RedisPubSubAsyncCommands<K,V>

Direct Known Subclasses:

RedisClusterPubSubAsyncCommandsImpl

public class RedisPubSubAsyncCommandsImpl<K,V>
extends RedisAsyncCommandsImpl<K,V>
implements RedisPubSubAsyncCommands<K,V>

An asynchronous and thread-safe API for a Redis pub/sub connection.

Author:

Will Glozer, Mark Paluch

Constructor Summary

Constructors

Constructor	Description
RedisPubSubAsyncCommandsImpl(StatefulRedisPubSubConnection<K,V> connection, RedisCodec<K,V> codec)	Initialize a new connection.

Method Summary

Modifier and Type	Method	Description
StatefulRedisPubSubConnection<K,V>	getStatefulConnection()
RedisFuture<Void>	psubscribe(K... patterns)	Listen for messages published to channels matching the given patterns.
RedisFuture<Long>	publish(K channel, V message)	Post a message to a channel.
RedisFuture<List<K>>	pubsubChannels(K channel)	Lists the currently *active channels*.
RedisFuture<Map<K,Long>>	pubsubNumsub(K... channels)	Returns the number of subscribers (not counting clients subscribed to patterns) for the specified channels.
RedisFuture<Void>	punsubscribe(K... patterns)	Stop listening for messages posted to channels matching the given patterns.
RedisFuture<Void>	subscribe(K... channels)	Listen for messages published to the given channels.
RedisFuture<Void>	unsubscribe(K... channels)	Stop listening for messages posted to the given channels.

Methods inherited from class io.lettuce.core.AbstractRedisAsyncCommands

aclCat, aclCat, aclDeluser, aclGenpass, aclGenpass, aclGetuser, aclList, aclLoad, aclLog, aclLog, aclLogReset, aclSave, aclSetuser, aclUsers, aclWhoami, append, asking, auth, auth, auth, auth, bgrewriteaof, bgsave, bitcount, bitcount, bitfield, bitopAnd, bitopNot, bitopOr, bitopXor, bitpos, bitpos, bitpos, blmove, blpop, brpop, brpoplpush, bzpopmax, bzpopmin, clientCaching, clientGetname, clientGetredir, clientId, clientKill, clientKill, clientList, clientPause, clientSetname, clientTracking, clientUnblock, clusterAddSlots, clusterBumpepoch, clusterCountFailureReports, clusterCountKeysInSlot, clusterDelSlots, clusterFailover, clusterFlushslots, clusterForget, clusterGetKeysInSlot, clusterInfo, clusterKeyslot, clusterMeet, clusterMyId, clusterNodes, clusterReplicate, clusterReset, clusterSaveconfig, clusterSetConfigEpoch, clusterSetSlotImporting, clusterSetSlotMigrating, clusterSetSlotNode, clusterSetSlotStable, clusterSlaves, clusterSlots, command, commandCount, commandInfo, commandInfo, configGet, configResetstat, configRewrite, configSet, copy, copy, dbsize, debugCrashAndRecover, debugHtstats, debugObject, debugOom, debugReload, debugRestart, debugSdslen, debugSegfault, decr, decrby, del, del, digest, digest, discard, dispatch, dispatch, dispatch, dispatch, dispatch, dump, echo, eval, eval, eval, eval, evalsha, evalsha, exec, exists, exists, expire, expire, expireat, expireat, expireat, flushall, flushall, flushallAsync, flushCommands, flushdb, flushdb, flushdbAsync, geoadd, geoadd, geoadd, geoadd, geoadd, geoadd, geodist, geohash, geopos, georadius, georadius, georadius, georadius_ro, georadius_ro, georadiusbymember, georadiusbymember, georadiusbymember, georadiusbymember_ro, georadiusbymember_ro, geosearch, geosearch, geosearchstore, get, getbit, getConnection, getdel, getex, getrange, getset, hdel, hexists, hget, hgetall, hgetall, hincrby, hincrbyfloat, hkeys, hkeys, hlen, hmget, hmget, hmset, hrandfield, hrandfield, hrandfieldWithvalues, hrandfieldWithvalues, hscan, hscan, hscan, hscan, hscan, hscan, hscan, hscan, hset, hset, hsetnx, hstrlen, hvals, hvals, incr, incrby, incrbyfloat, info, info, isOpen, keys, keys, lastsave, lindex, linsert, llen, lmove, lpop, lpop, lpos, lpos, lpos, lpos, lpush, lpushx, lrange, lrange, lrem, lset, ltrim, memoryUsage, mget, mget, mget, mget, migrate, migrate, move, mset, msetnx, multi, objectEncoding, objectFreq, objectIdletime, objectRefcount, persist, pexpire, pexpire, pexpireat, pexpireat, pexpireat, pfadd, pfcount, pfmerge, ping, psetex, pttl, pubsubChannels, pubsubNumpat, quit, randomkey, readOnly, readWrite, rename, renamenx, reset, restore, restore, role, rpop, rpop, rpoplpush, rpush, rpushx, sadd, save, scan, scan, scan, scan, scan, scan, scan, scan, scard, scriptExists, scriptFlush, scriptFlush, scriptKill, scriptLoad, scriptLoad, sdiff, sdiff, sdiffstore, select, set, set, setAutoFlushCommands, setbit, setex, setGet, setGet, setnx, setrange, setTimeout, shutdown, sinter, sinter, sinterstore, sismember, slaveof, slaveofNoOne, slowlogGet, slowlogGet, slowlogLen, slowlogReset, smembers, smembers, smismember, smove, sort, sort, sort, sort, sortStore, spop, spop, srandmember, srandmember, srandmember, srem, sscan, sscan, sscan, sscan, sscan, sscan, sscan, sscan, stralgoLcs, strlen, sunion, sunion, sunionstore, swapdb, time, touch, touch, ttl, type, unlink, unlink, unwatch, waitForReplication, watch, xack, xadd, xadd, xadd, xadd, xautoclaim, xclaim, xclaim, xdel, xgroupCreate, xgroupCreate, xgroupCreateconsumer, xgroupDelconsumer, xgroupDestroy, xgroupSetid, xinfoConsumers, xinfoGroups, xinfoStream, xlen, xpending, xpending, xpending, xpending, xrange, xrange, xread, xread, xreadgroup, xreadgroup, xrevrange, xrevrange, xtrim, xtrim, xtrim, zadd, zadd, zadd, zadd, zadd, zadd, zaddincr, zaddincr, zcard, zcount, zcount, zcount, zdiff, zdiffstore, zdiffWithScores, zincrby, zinter, zinter, zinterstore, zinterstore, zinterWithScores, zinterWithScores, zlexcount, zlexcount, zmscore, zpopmax, zpopmax, zpopmin, zpopmin, zrandmember, zrandmember, zrandmemberWithScores, zrandmemberWithScores, zrange, zrange, zrangebylex, zrangebylex, zrangebylex, zrangebylex, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangestorebylex, zrangestorebyscore, zrangeWithScores, zrangeWithScores, zrank, zrem, zremrangebylex, zremrangebylex, zremrangebyrank, zremrangebyscore, zremrangebyscore, zremrangebyscore, zrevrange, zrevrange, zrevrangebylex, zrevrangebylex, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangestorebylex, zrevrangestorebyscore, zrevrangeWithScores, zrevrangeWithScores, zrevrank, zscan, zscan, zscan, zscan, zscan, zscan, zscan, zscan, zscore, zunion, zunion, zunionstore, zunionstore, zunionWithScores, zunionWithScores

Methods inherited from class java.lang.Object

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

Methods inherited from interface io.lettuce.core.api.async.BaseRedisAsyncCommands

dispatch, dispatch, echo, flushCommands, isOpen, ping, pubsubChannels, pubsubNumpat, quit, reset, role, setAutoFlushCommands, waitForReplication

Methods inherited from interface io.lettuce.core.api.async.RedisAclAsyncCommands

aclCat, aclCat, aclDeluser, aclGenpass, aclGenpass, aclGetuser, aclList, aclLoad, aclLog, aclLog, aclLogReset, aclSave, aclSetuser, aclUsers, aclWhoami

Methods inherited from interface io.lettuce.core.api.async.RedisAsyncCommands

auth, auth, select, swapdb

Methods inherited from interface io.lettuce.core.cluster.api.async.RedisClusterAsyncCommands

asking, clusterAddSlots, clusterBumpepoch, clusterCountFailureReports, clusterCountKeysInSlot, clusterDelSlots, clusterFailover, clusterFlushslots, clusterForget, clusterGetKeysInSlot, clusterInfo, clusterKeyslot, clusterMeet, clusterMyId, clusterNodes, clusterReplicate, clusterReset, clusterSaveconfig, clusterSetConfigEpoch, clusterSetSlotImporting, clusterSetSlotMigrating, clusterSetSlotNode, clusterSetSlotStable, clusterSlaves, clusterSlots, del, mget, mset, msetnx, readOnly, readWrite, setTimeout

Methods inherited from interface io.lettuce.core.api.async.RedisGeoAsyncCommands

geoadd, geoadd, geoadd, geoadd, geoadd, geoadd, geodist, geohash, geopos, georadius, georadius, georadius, georadiusbymember, georadiusbymember, georadiusbymember, geosearch, geosearch, geosearchstore

Methods inherited from interface io.lettuce.core.api.async.RedisHashAsyncCommands

hdel, hexists, hget, hgetall, hgetall, hincrby, hincrbyfloat, hkeys, hkeys, hlen, hmget, hmget, hmset, hrandfield, hrandfield, hrandfieldWithvalues, hrandfieldWithvalues, hscan, hscan, hscan, hscan, hscan, hscan, hscan, hscan, hset, hset, hsetnx, hstrlen, hvals, hvals

Methods inherited from interface io.lettuce.core.api.async.RedisHLLAsyncCommands

pfadd, pfcount, pfmerge

Methods inherited from interface io.lettuce.core.api.async.RedisKeyAsyncCommands

copy, copy, dump, exists, expire, expire, expireat, expireat, expireat, keys, keys, migrate, migrate, move, objectEncoding, objectFreq, objectIdletime, objectRefcount, persist, pexpire, pexpire, pexpireat, pexpireat, pexpireat, pttl, randomkey, rename, renamenx, restore, restore, scan, scan, scan, scan, scan, scan, scan, scan, sort, sort, sort, sort, sortStore, touch, ttl, type, unlink

Methods inherited from interface io.lettuce.core.api.async.RedisListAsyncCommands

blmove, blpop, brpop, brpoplpush, lindex, linsert, llen, lmove, lpop, lpop, lpos, lpos, lpos, lpos, lpush, lpushx, lrange, lrange, lrem, lset, ltrim, rpop, rpop, rpoplpush, rpush, rpushx

Methods inherited from interface io.lettuce.core.api.async.RedisScriptingAsyncCommands

digest, digest, eval, eval, eval, eval, evalsha, evalsha, scriptExists, scriptFlush, scriptFlush, scriptKill, scriptLoad, scriptLoad

Methods inherited from interface io.lettuce.core.api.async.RedisServerAsyncCommands

bgrewriteaof, bgsave, clientCaching, clientGetname, clientGetredir, clientId, clientKill, clientKill, clientList, clientPause, clientSetname, clientTracking, clientUnblock, command, commandCount, commandInfo, commandInfo, configGet, configResetstat, configRewrite, configSet, dbsize, debugCrashAndRecover, debugHtstats, debugObject, debugOom, debugReload, debugRestart, debugSdslen, debugSegfault, flushall, flushall, flushallAsync, flushdb, flushdb, flushdbAsync, info, info, lastsave, memoryUsage, save, shutdown, slaveof, slaveofNoOne, slowlogGet, slowlogGet, slowlogLen, slowlogReset, time

Methods inherited from interface io.lettuce.core.api.async.RedisSetAsyncCommands

sadd, scard, sdiff, sdiff, sdiffstore, sinter, sinter, sinterstore, sismember, smembers, smembers, smismember, smove, spop, spop, srandmember, srandmember, srandmember, srem, sscan, sscan, sscan, sscan, sscan, sscan, sscan, sscan, sunion, sunion, sunionstore

Methods inherited from interface io.lettuce.core.api.async.RedisSortedSetAsyncCommands

bzpopmax, bzpopmin, zadd, zadd, zadd, zadd, zadd, zadd, zaddincr, zaddincr, zcard, zcount, zcount, zcount, zdiff, zdiffstore, zdiffWithScores, zincrby, zinter, zinter, zinterstore, zinterstore, zinterWithScores, zinterWithScores, zlexcount, zlexcount, zmscore, zpopmax, zpopmax, zpopmin, zpopmin, zrandmember, zrandmember, zrandmemberWithScores, zrandmemberWithScores, zrange, zrange, zrangebylex, zrangebylex, zrangebylex, zrangebylex, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscore, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangebyscoreWithScores, zrangestorebylex, zrangestorebyscore, zrangeWithScores, zrangeWithScores, zrank, zrem, zremrangebylex, zremrangebylex, zremrangebyrank, zremrangebyscore, zremrangebyscore, zremrangebyscore, zrevrange, zrevrange, zrevrangebylex, zrevrangebylex, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscore, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangebyscoreWithScores, zrevrangestorebylex, zrevrangestorebyscore, zrevrangeWithScores, zrevrangeWithScores, zrevrank, zscan, zscan, zscan, zscan, zscan, zscan, zscan, zscan, zscore, zunion, zunion, zunionstore, zunionstore, zunionWithScores, zunionWithScores

Methods inherited from interface io.lettuce.core.api.async.RedisStreamAsyncCommands

xack, xadd, xadd, xadd, xadd, xautoclaim, xclaim, xclaim, xdel, xgroupCreate, xgroupCreate, xgroupCreateconsumer, xgroupDelconsumer, xgroupDestroy, xgroupSetid, xinfoConsumers, xinfoGroups, xinfoStream, xlen, xpending, xpending, xpending, xpending, xrange, xrange, xread, xread, xreadgroup, xreadgroup, xrevrange, xrevrange, xtrim, xtrim, xtrim

Methods inherited from interface io.lettuce.core.api.async.RedisStringAsyncCommands

append, bitcount, bitcount, bitfield, bitopAnd, bitopNot, bitopOr, bitopXor, bitpos, bitpos, bitpos, decr, decrby, get, getbit, getdel, getex, getrange, getset, incr, incrby, incrbyfloat, mget, psetex, set, set, setbit, setex, setGet, setGet, setnx, setrange, stralgoLcs, strlen

Methods inherited from interface io.lettuce.core.api.async.RedisTransactionalAsyncCommands

discard, exec, multi, unwatch, watch

Constructor Details

RedisPubSubAsyncCommandsImpl

public RedisPubSubAsyncCommandsImpl(StatefulRedisPubSubConnection<K,V> connection,
RedisCodec<K,V> codec)

Initialize a new connection.

Parameters:

connection - the connection .

codec - Codec used to encode/decode keys and values.

Method Details

psubscribe

public RedisFuture<Void> psubscribe(K... patterns)

Description copied from interface: RedisPubSubAsyncCommands

Listen for messages published to channels matching the given patterns.

Specified by:

psubscribe in interface RedisPubSubAsyncCommands<K,V>

Parameters:

patterns - the patterns

Returns:

RedisFuture<Void> Future to synchronize psubscribe completion

punsubscribe

public RedisFuture<Void> punsubscribe(K... patterns)

Description copied from interface: RedisPubSubAsyncCommands

Stop listening for messages posted to channels matching the given patterns.

Specified by:

punsubscribe in interface RedisPubSubAsyncCommands<K,V>

Parameters:

patterns - the patterns

Returns:

RedisFuture<Void> Future to synchronize punsubscribe completion

subscribe

public RedisFuture<Void> subscribe(K... channels)

Description copied from interface: RedisPubSubAsyncCommands

Listen for messages published to the given channels.

Specified by:

subscribe in interface RedisPubSubAsyncCommands<K,V>

Parameters:

channels - the channels

Returns:

RedisFuture<Void> Future to synchronize subscribe completion

unsubscribe

public RedisFuture<Void> unsubscribe(K... channels)

Description copied from interface: RedisPubSubAsyncCommands

Stop listening for messages posted to the given channels.

Specified by:

unsubscribe in interface RedisPubSubAsyncCommands<K,V>

Parameters:

channels - the channels

Returns:

RedisFuture<Void> Future to synchronize unsubscribe completion.

publish

public RedisFuture<Long> publish(K channel,
V message)

Description copied from interface: BaseRedisAsyncCommands

Post a message to a channel.

Specified by:

publish in interface BaseRedisAsyncCommands<K,V>

Overrides:

publish in class AbstractRedisAsyncCommands<K,V>

Parameters:

channel - the channel type: key.

message - the message type: value.

Returns:

Long integer-reply the number of clients that received the message.

pubsubChannels

public RedisFuture<List<K>> pubsubChannels(K channel)

Description copied from interface: BaseRedisAsyncCommands

Lists the currently *active channels*.

Specified by:

pubsubChannels in interface BaseRedisAsyncCommands<K,V>

Overrides:

pubsubChannels in class AbstractRedisAsyncCommands<K,V>

Parameters:

channel - the key.

Returns:

List<K> array-reply a list of active channels, optionally matching the specified pattern.

pubsubNumsub

public RedisFuture<Map<K,Long>> pubsubNumsub(K... channels)

Description copied from interface: BaseRedisAsyncCommands

Returns the number of subscribers (not counting clients subscribed to patterns) for the specified channels.

Specified by:

pubsubNumsub in interface BaseRedisAsyncCommands<K,V>

Overrides:

pubsubNumsub in class AbstractRedisAsyncCommands<K,V>

Parameters:

channels - channel keys.

Returns:

array-reply a list of channels and number of subscribers for every channel.

getStatefulConnection

public StatefulRedisPubSubConnection<K,V> getStatefulConnection()

Specified by:

getStatefulConnection in interface RedisAsyncCommands<K,V>

Specified by:

getStatefulConnection in interface RedisPubSubAsyncCommands<K,V>

Overrides:

getStatefulConnection in class RedisAsyncCommandsImpl<K,V>

Returns:

the underlying connection.