Package org.redisson.api

Interface RStreamReactive<K,V>

Type Parameters:

K - key type

V - value type

All Superinterfaces:

RExpirableReactive, RObjectReactive

public interface RStreamReactive<K,V>
extends RExpirableReactive

Reactive interface for Redis Stream object.

Requires Redis 5.0.0 and higher.

Author:

Nikita Koksharov

Method Summary

Modifier and Type	Method	Description
reactor.core.publisher.Mono<Long>	ack(String groupName, StreamMessageId... ids)	Marks pending messages by group name and stream ids as correctly processed.
reactor.core.publisher.Mono<StreamMessageId>	add(K key, V value)	Deprecated.
reactor.core.publisher.Mono<StreamMessageId>	add(K key, V value, int trimLen, boolean trimStrict)	Deprecated.
reactor.core.publisher.Mono<StreamMessageId>	add(StreamAddArgs<K,V> args)	Appends a new entry/entries and returns generated Stream Message ID
reactor.core.publisher.Mono<Void>	add(StreamMessageId id, K key, V value)	Deprecated.
reactor.core.publisher.Mono<Void>	add(StreamMessageId id, K key, V value, int trimLen, boolean trimStrict)	Deprecated.
reactor.core.publisher.Mono<Void>	add(StreamMessageId id, StreamAddArgs<K,V> args)	Appends a new entry/entries by specified Stream Message ID
reactor.core.publisher.Mono<StreamMessageId>	addAll(Map<K,V> entries)	Deprecated.
reactor.core.publisher.Mono<StreamMessageId>	addAll(Map<K,V> entries, int trimLen, boolean trimStrict)	Deprecated.
reactor.core.publisher.Mono<Void>	addAll(StreamMessageId id, Map<K,V> entries)	Deprecated.
reactor.core.publisher.Mono<Void>	addAll(StreamMessageId id, Map<K,V> entries, int trimLen, boolean trimStrict)	Deprecated.
reactor.core.publisher.Mono<AutoClaimResult<K,V>>	autoClaim(String groupName, String consumerName, long idleTime, TimeUnit idleTimeUnit, StreamMessageId startId, int count)	Transfers ownership of pending messages by id to a new consumer by name if idle time of messages and startId are greater than defined value.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	claim(String groupName, String consumerName, long idleTime, TimeUnit idleTimeUnit, StreamMessageId... ids)	Transfers ownership of pending messages by id to a new consumer by name if idle time of messages is greater than defined value.
reactor.core.publisher.Mono<Void>	createConsumer(String groupName, String consumerName)	Creates consumer of the group by name.
reactor.core.publisher.Mono<Void>	createGroup(String groupName)	Creates consumer group by name.
reactor.core.publisher.Mono<Void>	createGroup(String groupName, StreamMessageId id)	Creates consumer group by name and stream id.
reactor.core.publisher.Mono<FastAutoClaimResult>	fastAutoClaim(String groupName, String consumerName, long idleTime, TimeUnit idleTimeUnit, StreamMessageId startId, int count)	Transfers ownership of pending messages by id to a new consumer by name if idle time of messages and startId are greater than defined value.
reactor.core.publisher.Mono<StreamInfo<K,V>>	getInfo()	Returns information about this stream.
reactor.core.publisher.Mono<PendingResult>	getPendingInfo(String groupName)	Returns common info about pending messages by group name.
reactor.core.publisher.Mono<List<StreamConsumer>>	listConsumers(String groupName)	Returns list of objects with information about group customers for specified groupName.
reactor.core.publisher.Mono<List<StreamGroup>>	listGroups()	Returns list of objects with information about groups belonging to this stream.
reactor.core.publisher.Mono<PendingResult>	listPending(String groupName)	Deprecated.
reactor.core.publisher.Mono<List<PendingEntry>>	listPending(String groupName, String consumerName, StreamMessageId startId, StreamMessageId endId, int count)	Returns list of pending messages by group name and consumer name.
reactor.core.publisher.Mono<List<PendingEntry>>	listPending(String groupName, String consumerName, StreamMessageId startId, StreamMessageId endId, long idleTime, TimeUnit idleTimeUnit, int count)	Returns list of common info about pending messages by group and consumer name.
reactor.core.publisher.Mono<List<PendingEntry>>	listPending(String groupName, StreamMessageId startId, StreamMessageId endId, int count)	Returns list of pending messages by group name.
reactor.core.publisher.Mono<List<PendingEntry>>	listPending(String groupName, StreamMessageId startId, StreamMessageId endId, long idleTime, TimeUnit idleTimeUnit, int count)	Returns list of common info about pending messages by group name.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	pendingRange(String groupName, String consumerName, StreamMessageId startId, StreamMessageId endId, int count)	Returns stream data of pending messages by group and customer name.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	pendingRange(String groupName, String consumerName, StreamMessageId startId, StreamMessageId endId, long idleTime, TimeUnit idleTimeUnit, int count)	Returns stream data of pending messages by group and customer name.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	pendingRange(String groupName, StreamMessageId startId, StreamMessageId endId, int count)	Returns stream data of pending messages by group name.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	pendingRange(String groupName, StreamMessageId startId, StreamMessageId endId, long idleTime, TimeUnit idleTimeUnit, int count)	Returns stream data of pending messages by group name.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	range(int count, StreamMessageId startId, StreamMessageId endId)	Returns stream data in range by specified start Stream ID (included) and end Stream ID (included).
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	range(StreamMessageId startId, StreamMessageId endId)	Returns stream data in range by specified start Stream ID (included) and end Stream ID (included).
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	rangeReversed(int count, StreamMessageId startId, StreamMessageId endId)	Returns stream data in reverse order in range by specified start Stream ID (included) and end Stream ID (included).
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	rangeReversed(StreamMessageId startId, StreamMessageId endId)	Returns stream data in reverse order in range by specified start Stream ID (included) and end Stream ID (included).
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	read(int count, long timeout, TimeUnit unit, StreamMessageId... ids)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	read(int count, long timeout, TimeUnit unit, StreamMessageId id, String name2, StreamMessageId id2)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	read(int count, long timeout, TimeUnit unit, StreamMessageId id, String name2, StreamMessageId id2, String name3, StreamMessageId id3)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	read(int count, long timeout, TimeUnit unit, StreamMessageId id, Map<String,StreamMessageId> nameToId)	Deprecated.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	read(int count, StreamMessageId... ids)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	read(int count, StreamMessageId id, String name2, StreamMessageId id2)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	read(int count, StreamMessageId id, String name2, StreamMessageId id2, String name3, StreamMessageId id3)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	read(int count, StreamMessageId id, Map<String,StreamMessageId> nameToId)	Deprecated.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	read(long timeout, TimeUnit unit, StreamMessageId... ids)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	read(long timeout, TimeUnit unit, StreamMessageId id, String name2, StreamMessageId id2)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	read(long timeout, TimeUnit unit, StreamMessageId id, String name2, StreamMessageId id2, String name3, StreamMessageId id3)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	read(long timeout, TimeUnit unit, StreamMessageId id, Map<String,StreamMessageId> nameToId)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	read(StreamMultiReadArgs args)	Read stream data from multiple streams including current.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	read(StreamReadArgs args)	Read stream data from current stream only.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	read(StreamMessageId... ids)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	read(StreamMessageId id, String name2, StreamMessageId id2)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	read(StreamMessageId id, String name2, StreamMessageId id2, String name3, StreamMessageId id3)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	read(StreamMessageId id, Map<String,StreamMessageId> nameToId)	Deprecated.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, int count, long timeout, TimeUnit unit, StreamMessageId... ids)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	readGroup(String groupName, String consumerName, int count, long timeout, TimeUnit unit, StreamMessageId id, String key2, StreamMessageId id2)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	readGroup(String groupName, String consumerName, int count, long timeout, TimeUnit unit, StreamMessageId id, String key2, StreamMessageId id2, String key3, StreamMessageId id3)	Deprecated.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, int count, StreamMessageId... ids)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	readGroup(String groupName, String consumerName, int count, StreamMessageId id, String key2, StreamMessageId id2)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	readGroup(String groupName, String consumerName, int count, StreamMessageId id, String key2, StreamMessageId id2, String key3, StreamMessageId id3)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	readGroup(String groupName, String consumerName, int count, StreamMessageId id, Map<String,StreamMessageId> nameToId)	Deprecated.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, long timeout, TimeUnit unit, StreamMessageId... ids)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	readGroup(String groupName, String consumerName, long timeout, TimeUnit unit, StreamMessageId id, String key2, StreamMessageId id2)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	readGroup(String groupName, String consumerName, long timeout, TimeUnit unit, StreamMessageId id, String key2, StreamMessageId id2, String key3, StreamMessageId id3)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	readGroup(String groupName, String consumerName, long timeout, TimeUnit unit, StreamMessageId id, Map<String,StreamMessageId> nameToId)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	readGroup(String groupName, String consumerName, StreamMultiReadGroupArgs args)	Read stream data from consumer group and multiple streams including current.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, StreamReadGroupArgs args)	Read stream data from consumer group and current stream only.
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, StreamMessageId... ids)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	readGroup(String groupName, String consumerName, StreamMessageId id, String key2, StreamMessageId id2)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	readGroup(String groupName, String consumerName, StreamMessageId id, String key2, StreamMessageId id2, String key3, StreamMessageId id3)	Deprecated.
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>>	readGroup(String groupName, String consumerName, StreamMessageId id, Map<String,StreamMessageId> nameToId)	Deprecated.
reactor.core.publisher.Mono<Long>	remove(StreamMessageId... ids)	Removes messages by id.
reactor.core.publisher.Mono<Long>	removeConsumer(String groupName, String consumerName)	Removes consumer of the group by name.
reactor.core.publisher.Mono<Void>	removeGroup(String groupName)	Removes group by name.
reactor.core.publisher.Mono<Long>	size()	Returns number of entries in stream
reactor.core.publisher.Mono<Long>	trim(int size)	Trims stream to specified size
reactor.core.publisher.Mono<Long>	trim(TrimStrategy strategy, int threshold)	Trims stream to specified size
reactor.core.publisher.Mono<Long>	trimNonStrict(int size)	Trims stream to few tens of entries more than specified length to trim.
reactor.core.publisher.Mono<Long>	trimNonStrict(TrimStrategy strategy, int threshold)	Trims stream using almost exact trimming threshold.
reactor.core.publisher.Mono<Long>	trimNonStrict(TrimStrategy strategy, int threshold, int limit)	Trims stream using almost exact trimming threshold up to limit.
reactor.core.publisher.Mono<Void>	updateGroupMessageId(String groupName, StreamMessageId id)	Updates next message id delivered to consumers.

Methods inherited from interface org.redisson.api.RExpirableReactive

clearExpire, expire, expireAt, expireAt, expireAt, remainTimeToLive

Methods inherited from interface org.redisson.api.RObjectReactive

addListener, copy, delete, dump, getCodec, getIdleTime, getName, isExists, migrate, move, removeListener, rename, renamenx, restore, restore, restoreAndReplace, restoreAndReplace, sizeInMemory, touch, unlink

Method Detail

createGroup

reactor.core.publisher.Mono<Void> createGroup(String groupName)

Creates consumer group by name.

Parameters:

groupName - - name of group

Returns:

void

createGroup

reactor.core.publisher.Mono<Void> createGroup(String groupName,
                                              StreamMessageId id)

Creates consumer group by name and stream id. Only new messages after defined stream id will be available for consumers of this group.

StreamMessageId.NEWEST is used for messages arrived since the moment of group creating

Parameters:

groupName - - name of group

id - - stream id

Returns:

void

removeGroup

reactor.core.publisher.Mono<Void> removeGroup(String groupName)

Removes group by name.

Parameters:

groupName - - name of group

Returns:

void

createConsumer

reactor.core.publisher.Mono<Void> createConsumer(String groupName,
                                                 String consumerName)

Creates consumer of the group by name.

Requires Redis 6.2.0 and higher.

Parameters:

groupName - - name of group

consumerName - - name of consumer

removeConsumer

reactor.core.publisher.Mono<Long> removeConsumer(String groupName,
                                                 String consumerName)

Removes consumer of the group by name.

Parameters:

groupName - - name of group

consumerName - - name of consumer

Returns:

number of pending messages owned by consumer

updateGroupMessageId

reactor.core.publisher.Mono<Void> updateGroupMessageId(String groupName,
                                                       StreamMessageId id)

Updates next message id delivered to consumers.

Parameters:

groupName - - name of group

id - - Stream Message ID

Returns:

void

ack

reactor.core.publisher.Mono<Long> ack(String groupName,
                                      StreamMessageId... ids)

Marks pending messages by group name and stream ids as correctly processed.

Parameters:

groupName - - name of group

ids - - stream ids

Returns:

marked messages amount

getPendingInfo

reactor.core.publisher.Mono<PendingResult> getPendingInfo(String groupName)

Returns common info about pending messages by group name.

Parameters:

groupName - - name of group

Returns:

result object

listPending

@Deprecated
reactor.core.publisher.Mono<PendingResult> listPending(String groupName)

Deprecated.

listPending

reactor.core.publisher.Mono<List<PendingEntry>> listPending(String groupName,
                                                            StreamMessageId startId,
                                                            StreamMessageId endId,
                                                            int count)

Returns list of pending messages by group name. Limited by start stream id and end stream id and count.

StreamMessageId.MAX is used as max stream id StreamMessageId.MIN is used as min stream id

Parameters:

groupName - - name of group

startId - - start stream id

endId - - end stream id

count - - amount of messages

Returns:

list

listPending

reactor.core.publisher.Mono<List<PendingEntry>> listPending(String groupName,
                                                            String consumerName,
                                                            StreamMessageId startId,
                                                            StreamMessageId endId,
                                                            int count)

Returns list of pending messages by group name and consumer name. Limited by start stream id and end stream id and count.

StreamMessageId.MAX is used as max stream id StreamMessageId.MIN is used as min stream id

Parameters:

consumerName - - name of consumer

groupName - - name of group

startId - - start stream id

endId - - end stream id

count - - amount of messages

Returns:

list

listPending

reactor.core.publisher.Mono<List<PendingEntry>> listPending(String groupName,
                                                            StreamMessageId startId,
                                                            StreamMessageId endId,
                                                            long idleTime,
                                                            TimeUnit idleTimeUnit,
                                                            int count)

Returns list of common info about pending messages by group name. Limited by minimum idle time, messages count, start and end Stream Message IDs.

StreamMessageId.MAX is used as max Stream Message ID StreamMessageId.MIN is used as min Stream Message ID

Requires Redis 6.2.0 and higher.

Parameters:

groupName - - name of group

startId - - start Stream Message ID

idleTime - - minimum idle time of messages

idleTimeUnit - - idle time unit

endId - - end Stream Message ID

count - - amount of messages

Returns:

list

See Also:

pendingRange(java.lang.String, org.redisson.api.StreamMessageId, org.redisson.api.StreamMessageId, long, java.util.concurrent.TimeUnit, int)

listPending

reactor.core.publisher.Mono<List<PendingEntry>> listPending(String groupName,
                                                            String consumerName,
                                                            StreamMessageId startId,
                                                            StreamMessageId endId,
                                                            long idleTime,
                                                            TimeUnit idleTimeUnit,
                                                            int count)

Returns list of common info about pending messages by group and consumer name. Limited by minimum idle time, messages count, start and end Stream Message IDs.

StreamMessageId.MAX is used as max Stream Message ID StreamMessageId.MIN is used as min Stream Message ID

Requires Redis 6.2.0 and higher.

Parameters:

consumerName - - name of consumer

groupName - - name of group

startId - - start Stream Message ID

endId - - end Stream Message ID

idleTime - - minimum idle time of messages

idleTimeUnit - - idle time unit

count - - amount of messages

Returns:

list

See Also:

pendingRange(java.lang.String, org.redisson.api.StreamMessageId, org.redisson.api.StreamMessageId, long, java.util.concurrent.TimeUnit, int)

pendingRange

reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> pendingRange(String groupName,
                                                                                    StreamMessageId startId,
                                                                                    StreamMessageId endId,
                                                                                    long idleTime,
                                                                                    TimeUnit idleTimeUnit,
                                                                                    int count)

Returns stream data of pending messages by group name. Limited by minimum idle time, messages count, start and end Stream Message IDs.

StreamMessageId.MAX is used as max Stream Message ID StreamMessageId.MIN is used as min Stream Message ID

Requires Redis 6.2.0 and higher.

Parameters:

groupName - - name of group

startId - - start Stream Message ID

endId - - end Stream Message ID

idleTime - - minimum idle time of messages

idleTimeUnit - - idle time unit

count - - amount of messages

Returns:

map

See Also:

listPending(java.lang.String)

pendingRange

reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> pendingRange(String groupName,
                                                                                    String consumerName,
                                                                                    StreamMessageId startId,
                                                                                    StreamMessageId endId,
                                                                                    long idleTime,
                                                                                    TimeUnit idleTimeUnit,
                                                                                    int count)

Returns stream data of pending messages by group and customer name. Limited by minimum idle time, messages count, start and end Stream Message IDs.

StreamMessageId.MAX is used as max Stream Message ID StreamMessageId.MIN is used as min Stream Message ID

Requires Redis 6.2.0 and higher.

Parameters:

consumerName - - name of consumer

groupName - - name of group

startId - - start Stream Message ID

endId - - end Stream Message ID

idleTime - - minimum idle time of messages

idleTimeUnit - - idle time unit

count - - amount of messages

Returns:

map

See Also:

listPending(java.lang.String)

claim

reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> claim(String groupName,
                                                                             String consumerName,
                                                                             long idleTime,
                                                                             TimeUnit idleTimeUnit,
                                                                             StreamMessageId... ids)

Transfers ownership of pending messages by id to a new consumer by name if idle time of messages is greater than defined value.

Parameters:

groupName - - name of group

consumerName - - name of consumer

idleTime - - minimum idle time of messages

idleTimeUnit - - idle time unit

ids - - stream ids

Returns:

stream data mapped by Stream ID

autoClaim

reactor.core.publisher.Mono<AutoClaimResult<K,V>> autoClaim(String groupName,
                                                                  String consumerName,
                                                                  long idleTime,
                                                                  TimeUnit idleTimeUnit,
                                                                  StreamMessageId startId,
                                                                  int count)

Transfers ownership of pending messages by id to a new consumer by name if idle time of messages and startId are greater than defined value.

Parameters:

groupName - - name of group

consumerName - - name of consumer

idleTime - - minimum idle time of messages

idleTimeUnit - - idle time unit

startId - - start Stream Message ID

Returns:

stream data mapped by Stream ID

fastAutoClaim

reactor.core.publisher.Mono<FastAutoClaimResult> fastAutoClaim(String groupName,
                                                               String consumerName,
                                                               long idleTime,
                                                               TimeUnit idleTimeUnit,
                                                               StreamMessageId startId,
                                                               int count)

Transfers ownership of pending messages by id to a new consumer by name if idle time of messages and startId are greater than defined value.

Parameters:

groupName - - name of group

consumerName - - name of consumer

idleTime - - minimum idle time of messages

idleTimeUnit - - idle time unit

startId - - start Stream Message ID

Returns:

list of Stream Message IDs

readGroup

reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> readGroup(String groupName,
                                                                                                   String consumerName,
                                                                                                   StreamMultiReadGroupArgs args)

Read stream data from consumer group and multiple streams including current.

Usage examples:

 Map result = stream.read("group1", "consumer1",  StreamMultiReadGroupArgs.greaterThan(id, "stream2", id2));
 

 Map result = stream.read("group1", "consumer1", StreamMultiReadGroupArgs.greaterThan(id, "stream2", id2)
                                                                          .count(100)
                                                                          .timeout(Duration.ofSeconds(5))));
 

Parameters:

args - - method arguments object

Returns:

stream data mapped by stream name and Stream Message ID

readGroup

reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                                                 String consumerName,
                                                                                 StreamReadGroupArgs args)

Read stream data from consumer group and current stream only.

Usage examples:

 Map result = stream.read("group1", "consumer1",  StreamReadGroupArgs.greaterThan(id));
 

 Map result = stream.read("group1", "consumer1", StreamReadGroupArgs.greaterThan(id)
                                                                          .count(100)
                                                                          .timeout(Duration.ofSeconds(5))));
 

Parameters:

args - - method arguments object

Returns:

stream data mapped by Stream Message ID

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                                                 String consumerName,
                                                                                 StreamMessageId... ids)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                                                 String consumerName,
                                                                                 int count,
                                                                                 StreamMessageId... ids)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                                                 String consumerName,
                                                                                 long timeout,
                                                                                 TimeUnit unit,
                                                                                 StreamMessageId... ids)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                                                 String consumerName,
                                                                                 int count,
                                                                                 long timeout,
                                                                                 TimeUnit unit,
                                                                                 StreamMessageId... ids)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> readGroup(String groupName,
                                                                                                   String consumerName,
                                                                                                   StreamMessageId id,
                                                                                                   Map<String,StreamMessageId> nameToId)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> readGroup(String groupName,
                                                                                                   String consumerName,
                                                                                                   int count,
                                                                                                   StreamMessageId id,
                                                                                                   Map<String,StreamMessageId> nameToId)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> readGroup(String groupName,
                                                                                                   String consumerName,
                                                                                                   int count,
                                                                                                   long timeout,
                                                                                                   TimeUnit unit,
                                                                                                   StreamMessageId id,
                                                                                                   String key2,
                                                                                                   StreamMessageId id2)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> readGroup(String groupName,
                                                                                                   String consumerName,
                                                                                                   int count,
                                                                                                   long timeout,
                                                                                                   TimeUnit unit,
                                                                                                   StreamMessageId id,
                                                                                                   String key2,
                                                                                                   StreamMessageId id2,
                                                                                                   String key3,
                                                                                                   StreamMessageId id3)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> readGroup(String groupName,
                                                                                                   String consumerName,
                                                                                                   long timeout,
                                                                                                   TimeUnit unit,
                                                                                                   StreamMessageId id,
                                                                                                   Map<String,StreamMessageId> nameToId)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> readGroup(String groupName,
                                                                                                   String consumerName,
                                                                                                   StreamMessageId id,
                                                                                                   String key2,
                                                                                                   StreamMessageId id2)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> readGroup(String groupName,
                                                                                                   String consumerName,
                                                                                                   StreamMessageId id,
                                                                                                   String key2,
                                                                                                   StreamMessageId id2,
                                                                                                   String key3,
                                                                                                   StreamMessageId id3)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> readGroup(String groupName,
                                                                                                   String consumerName,
                                                                                                   int count,
                                                                                                   StreamMessageId id,
                                                                                                   String key2,
                                                                                                   StreamMessageId id2)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> readGroup(String groupName,
                                                                                                   String consumerName,
                                                                                                   int count,
                                                                                                   StreamMessageId id,
                                                                                                   String key2,
                                                                                                   StreamMessageId id2,
                                                                                                   String key3,
                                                                                                   StreamMessageId id3)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> readGroup(String groupName,
                                                                                                   String consumerName,
                                                                                                   long timeout,
                                                                                                   TimeUnit unit,
                                                                                                   StreamMessageId id,
                                                                                                   String key2,
                                                                                                   StreamMessageId id2)

Deprecated.

readGroup

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> readGroup(String groupName,
                                                                                                   String consumerName,
                                                                                                   long timeout,
                                                                                                   TimeUnit unit,
                                                                                                   StreamMessageId id,
                                                                                                   String key2,
                                                                                                   StreamMessageId id2,
                                                                                                   String key3,
                                                                                                   StreamMessageId id3)

Deprecated.

size

reactor.core.publisher.Mono<Long> size()

Returns number of entries in stream

Returns:

size of stream

add

reactor.core.publisher.Mono<StreamMessageId> add(StreamAddArgs<K,V> args)

Appends a new entry/entries and returns generated Stream Message ID

Usage examples:

 StreamMessageId id = stream.add(StreamAddArgs.entry(15, 37));
 

 StreamMessageId id = stream.add(StreamAddArgs.entries(15, 37, 23, 43)
                                 .trim(TrimStrategy.MAXLEN, 100)));
 

Parameters:

args - - method arguments object

Returns:

Stream Message ID

add

reactor.core.publisher.Mono<Void> add(StreamMessageId id,
                                      StreamAddArgs<K,V> args)

Appends a new entry/entries by specified Stream Message ID

Usage examples:

 stream.add(id, StreamAddArgs.entry(15, 37));
 

 stream.add(id, StreamAddArgs.entries(15, 37, 23, 43)
                                 .trim(TrimStrategy.MAXLEN, 100)));
 

Parameters:

id - - Stream Message ID

args - - method arguments object

add

@Deprecated
reactor.core.publisher.Mono<StreamMessageId> add(K key,
                                                 V value)

Deprecated.

add

@Deprecated
reactor.core.publisher.Mono<Void> add(StreamMessageId id,
                                      K key,
                                      V value)

Deprecated.

add

@Deprecated
reactor.core.publisher.Mono<StreamMessageId> add(K key,
                                                 V value,
                                                 int trimLen,
                                                 boolean trimStrict)

Deprecated.

add

@Deprecated
reactor.core.publisher.Mono<Void> add(StreamMessageId id,
                                      K key,
                                      V value,
                                      int trimLen,
                                      boolean trimStrict)

Deprecated.

addAll

@Deprecated
reactor.core.publisher.Mono<StreamMessageId> addAll(Map<K,V> entries)

Deprecated.

addAll

@Deprecated
reactor.core.publisher.Mono<Void> addAll(StreamMessageId id,
                                         Map<K,V> entries)

Deprecated.

addAll

@Deprecated
reactor.core.publisher.Mono<StreamMessageId> addAll(Map<K,V> entries,
                                                    int trimLen,
                                                    boolean trimStrict)

Deprecated.

addAll

@Deprecated
reactor.core.publisher.Mono<Void> addAll(StreamMessageId id,
                                         Map<K,V> entries,
                                         int trimLen,
                                         boolean trimStrict)

Deprecated.

read

reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> read(StreamMultiReadArgs args)

Read stream data from multiple streams including current.

Usage examples:

 Map result = stream.read(StreamMultiReadArgs.greaterThan(id, "stream2", id2));
 

 Map result = stream.read(StreamMultiReadArgs.greaterThan(id, "stream2", id2)
                                 .count(100)
                                 .timeout(Duration.ofSeconds(5))));
 

Parameters:

args - - method arguments object

Returns:

stream data mapped by stream name and Stream Message ID

read

reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> read(StreamReadArgs args)

Read stream data from current stream only.

Usage examples:

 Map result = stream.read(StreamReadArgs.greaterThan(id));
 

 Map result = stream.read(StreamReadArgs.greaterThan(id)
                                 .count(100)
                                 .timeout(Duration.ofSeconds(5))));
 

Parameters:

args - - method arguments object

Returns:

stream data mapped by Stream Message ID

read

@Deprecated
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> read(StreamMessageId... ids)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> read(int count,
                                                                            StreamMessageId... ids)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> read(long timeout,
                                                                            TimeUnit unit,
                                                                            StreamMessageId... ids)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> read(int count,
                                                                            long timeout,
                                                                            TimeUnit unit,
                                                                            StreamMessageId... ids)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> read(StreamMessageId id,
                                                                                              String name2,
                                                                                              StreamMessageId id2)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> read(StreamMessageId id,
                                                                                              String name2,
                                                                                              StreamMessageId id2,
                                                                                              String name3,
                                                                                              StreamMessageId id3)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> read(StreamMessageId id,
                                                                                              Map<String,StreamMessageId> nameToId)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> read(int count,
                                                                                              StreamMessageId id,
                                                                                              String name2,
                                                                                              StreamMessageId id2)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> read(int count,
                                                                                              StreamMessageId id,
                                                                                              String name2,
                                                                                              StreamMessageId id2,
                                                                                              String name3,
                                                                                              StreamMessageId id3)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> read(int count,
                                                                                              StreamMessageId id,
                                                                                              Map<String,StreamMessageId> nameToId)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> read(long timeout,
                                                                                              TimeUnit unit,
                                                                                              StreamMessageId id,
                                                                                              String name2,
                                                                                              StreamMessageId id2)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> read(long timeout,
                                                                                              TimeUnit unit,
                                                                                              StreamMessageId id,
                                                                                              String name2,
                                                                                              StreamMessageId id2,
                                                                                              String name3,
                                                                                              StreamMessageId id3)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> read(long timeout,
                                                                                              TimeUnit unit,
                                                                                              StreamMessageId id,
                                                                                              Map<String,StreamMessageId> nameToId)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> read(int count,
                                                                                              long timeout,
                                                                                              TimeUnit unit,
                                                                                              StreamMessageId id,
                                                                                              String name2,
                                                                                              StreamMessageId id2)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> read(int count,
                                                                                              long timeout,
                                                                                              TimeUnit unit,
                                                                                              StreamMessageId id,
                                                                                              String name2,
                                                                                              StreamMessageId id2,
                                                                                              String name3,
                                                                                              StreamMessageId id3)

Deprecated.

read

@Deprecated
reactor.core.publisher.Mono<Map<String,Map<StreamMessageId,Map<K,V>>>> read(int count,
                                                                                              long timeout,
                                                                                              TimeUnit unit,
                                                                                              StreamMessageId id,
                                                                                              Map<String,StreamMessageId> nameToId)

Deprecated.

range

reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> range(StreamMessageId startId,
                                                                             StreamMessageId endId)

Returns stream data in range by specified start Stream ID (included) and end Stream ID (included).

Parameters:

startId - - start Stream ID

endId - - end Stream ID

Returns:

stream data mapped by Stream ID

range

reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> range(int count,
                                                                             StreamMessageId startId,
                                                                             StreamMessageId endId)

Returns stream data in range by specified start Stream ID (included) and end Stream ID (included).

Parameters:

count - - stream data size limit

startId - - start Stream ID

endId - - end Stream ID

Returns:

stream data mapped by Stream ID

rangeReversed

reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> rangeReversed(StreamMessageId startId,
                                                                                     StreamMessageId endId)

Returns stream data in reverse order in range by specified start Stream ID (included) and end Stream ID (included).

Parameters:

startId - - start Stream ID

endId - - end Stream ID

Returns:

stream data mapped by Stream ID

rangeReversed

reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> rangeReversed(int count,
                                                                                     StreamMessageId startId,
                                                                                     StreamMessageId endId)

Returns stream data in reverse order in range by specified start Stream ID (included) and end Stream ID (included).

Parameters:

count - - stream data size limit

startId - - start Stream ID

endId - - end Stream ID

Returns:

stream data mapped by Stream ID

remove

reactor.core.publisher.Mono<Long> remove(StreamMessageId... ids)

Removes messages by id.

Parameters:

ids - - id of messages to remove

Returns:

deleted messages amount

trim

reactor.core.publisher.Mono<Long> trim(int size)

Trims stream to specified size

Parameters:

size - - new size of stream

Returns:

number of deleted messages

trimNonStrict

reactor.core.publisher.Mono<Long> trimNonStrict(int size)

Trims stream to few tens of entries more than specified length to trim.

Parameters:

size - - new size of stream

Returns:

number of deleted messages

trim

reactor.core.publisher.Mono<Long> trim(TrimStrategy strategy,
                                       int threshold)

Trims stream to specified size

Parameters:

strategy - - trim strategy

threshold - - new size of stream

Returns:

number of deleted messages

trimNonStrict

reactor.core.publisher.Mono<Long> trimNonStrict(TrimStrategy strategy,
                                                int threshold)

Trims stream using almost exact trimming threshold.

Parameters:

strategy - - trim strategy

threshold - - trim threshold

Returns:

number of deleted messages

trimNonStrict

reactor.core.publisher.Mono<Long> trimNonStrict(TrimStrategy strategy,
                                                int threshold,
                                                int limit)

Trims stream using almost exact trimming threshold up to limit.

Parameters:

strategy - - trim strategy

threshold - - trim threshold

limit - - trim limit

Returns:

number of deleted messages

getInfo

reactor.core.publisher.Mono<StreamInfo<K,V>> getInfo()

Returns information about this stream.

Returns:

info object

listGroups

reactor.core.publisher.Mono<List<StreamGroup>> listGroups()

Returns list of objects with information about groups belonging to this stream.

Returns:

list of info objects

listConsumers

reactor.core.publisher.Mono<List<StreamConsumer>> listConsumers(String groupName)

Returns list of objects with information about group customers for specified groupName.

Parameters:

groupName - - name of group

Returns:

list of info objects

pendingRange

reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> pendingRange(String groupName,
                                                                                    StreamMessageId startId,
                                                                                    StreamMessageId endId,
                                                                                    int count)

Returns stream data of pending messages by group name. Limited by start Stream Message ID and end Stream Message ID and count.

StreamMessageId.MAX is used as max Stream Message ID StreamMessageId.MIN is used as min Stream Message ID

Parameters:

groupName - - name of group

startId - - start Stream Message ID

endId - - end Stream Message ID

count - - amount of messages

Returns:

map

See Also:

listPending(java.lang.String)

pendingRange

reactor.core.publisher.Mono<Map<StreamMessageId,Map<K,V>>> pendingRange(String groupName,
                                                                                    String consumerName,
                                                                                    StreamMessageId startId,
                                                                                    StreamMessageId endId,
                                                                                    int count)

Returns stream data of pending messages by group and customer name. Limited by start Stream Message ID and end Stream Message ID and count.

StreamMessageId.MAX is used as max Stream Message ID StreamMessageId.MIN is used as min Stream Message ID

Parameters:

consumerName - - name of consumer

groupName - - name of group

startId - - start Stream Message ID

endId - - end Stream Message ID

count - - amount of messages

Returns:

map

See Also:

listPending(java.lang.String)