org.redisson.api

Interface RStream<K,V>

Type Parameters:

K - key type

V - value type

All Superinterfaces:

RExpirable, RExpirableAsync, RObject, RObjectAsync, RStreamAsync<K,V>

All Known Implementing Classes:

RedissonStream

public interface RStream<K,V>
extends RStreamAsync<K,V>, RExpirable

Interface for Redis Stream object.

Requires Redis 5.0.0 and higher.

Author:

Nikita Koksharov

Method Summary

Modifier and Type	Method and Description
long	ack(String groupName, StreamMessageId... ids) Marks pending messages by group name and stream ids as correctly processed.
StreamMessageId	add(K key, V value) Appends a new entry and returns generated Stream Message ID
StreamMessageId	add(K key, V value, int trimLen, boolean trimStrict) Appends a new entry and returns generated Stream Message ID.
void	add(StreamMessageId id, K key, V value) Appends a new entry by specified Stream Message ID
void	add(StreamMessageId id, K key, V value, int trimLen, boolean trimStrict) Appends a new entry by specified Stream Message ID.
StreamMessageId	addAll(Map<K,V> entries) Appends new entries and returns generated Stream Message ID
StreamMessageId	addAll(Map<K,V> entries, int trimLen, boolean trimStrict) Appends new entries and returns generated Stream Message ID.
void	addAll(StreamMessageId id, Map<K,V> entries) Appends new entries by specified Stream Message ID
void	addAll(StreamMessageId id, Map<K,V> entries, int trimLen, boolean trimStrict) Appends new entries by specified Stream Message ID.
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.
void	createGroup(String groupName) Creates consumer group by name.
void	createGroup(String groupName, StreamMessageId id) Creates consumer group by name and Stream Message ID.
List<StreamMessageId>	fastClaim(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.
StreamInfo<K,V>	getInfo() Returns information about this stream.
PendingResult	getPendingInfo(String groupName) Returns common info about pending messages by group name.
List<StreamConsumer>	listConsumers(String groupName) Returns list of common info about group customers for specified groupName.
List<StreamGroup>	listGroups() Returns list of common info about groups belonging to this stream.
PendingResult	listPending(String groupName) Deprecated.
List<PendingEntry>	listPending(String groupName, StreamMessageId startId, StreamMessageId endId, int count) Returns list of common info about pending messages by group name.
List<PendingEntry>	listPending(String groupName, String consumerName, StreamMessageId startId, StreamMessageId endId, int count) Returns list of common info about pending messages by group and consumer name.
Map<StreamMessageId,Map<K,V>>	pendingRange(String groupName, StreamMessageId startId, StreamMessageId endId, int count) Returns stream data of pending messages by group name.
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.
Map<StreamMessageId,Map<K,V>>	range(int count, StreamMessageId startId, StreamMessageId endId) Returns stream data in range by specified start Stream Message ID (included) and end Stream Message ID (included).
Map<StreamMessageId,Map<K,V>>	range(StreamMessageId startId, StreamMessageId endId) Returns stream data in range by specified start Stream Message ID (included) and end Stream Message ID (included).
Map<StreamMessageId,Map<K,V>>	rangeReversed(int count, StreamMessageId startId, StreamMessageId endId) Returns stream data in reverse order in range by specified start Stream Message ID (included) and end Stream Message ID (included).
Map<StreamMessageId,Map<K,V>>	rangeReversed(StreamMessageId startId, StreamMessageId endId) Returns stream data in reverse order in range by specified start Stream Message ID (included) and end Stream Message ID (included).
Map<StreamMessageId,Map<K,V>>	read(int count, long timeout, TimeUnit unit, StreamMessageId... ids) Read stream data by specified collection of Stream Message IDs.
Map<String,Map<StreamMessageId,Map<K,V>>>	read(int count, long timeout, TimeUnit unit, StreamMessageId id, Map<String,StreamMessageId> nameToId) Read stream data by specified Stream Message ID mapped by name including this stream.
Map<String,Map<StreamMessageId,Map<K,V>>>	read(int count, long timeout, TimeUnit unit, StreamMessageId id, String name2, StreamMessageId id2) Read stream data by specified stream name including this stream.
Map<String,Map<StreamMessageId,Map<K,V>>>	read(int count, long timeout, TimeUnit unit, StreamMessageId id, String name2, StreamMessageId id2, String name3, StreamMessageId id3) Read stream data by specified stream names including this stream.
Map<StreamMessageId,Map<K,V>>	read(int count, StreamMessageId... ids) Read stream data by specified collection of Stream Message IDs.
Map<String,Map<StreamMessageId,Map<K,V>>>	read(int count, StreamMessageId id, Map<String,StreamMessageId> nameToId) Read stream data by specified Stream Message ID mapped by name including this stream.
Map<String,Map<StreamMessageId,Map<K,V>>>	read(int count, StreamMessageId id, String name2, StreamMessageId id2) Read stream data by specified stream name including this stream.
Map<String,Map<StreamMessageId,Map<K,V>>>	read(int count, StreamMessageId id, String name2, StreamMessageId id2, String name3, StreamMessageId id3) Read stream data by specified stream names including this stream.
Map<StreamMessageId,Map<K,V>>	read(long timeout, TimeUnit unit, StreamMessageId... ids) Read stream data by specified collection of Stream Message IDs.
Map<String,Map<StreamMessageId,Map<K,V>>>	read(long timeout, TimeUnit unit, StreamMessageId id, Map<String,StreamMessageId> nameToId) Read stream data by specified Stream Message ID mapped by name including this stream.
Map<String,Map<StreamMessageId,Map<K,V>>>	read(long timeout, TimeUnit unit, StreamMessageId id, String name2, StreamMessageId id2) Read stream data by specified stream name including this stream.
Map<String,Map<StreamMessageId,Map<K,V>>>	read(long timeout, TimeUnit unit, StreamMessageId id, String name2, StreamMessageId id2, String name3, StreamMessageId id3) Read stream data by specified stream names including this stream.
Map<StreamMessageId,Map<K,V>>	read(StreamMessageId... ids) Read stream data by specified collection of Stream Message IDs.
Map<String,Map<StreamMessageId,Map<K,V>>>	read(StreamMessageId id, Map<String,StreamMessageId> nameToId) Read stream data by specified Stream Message ID mapped by name including this stream.
Map<String,Map<StreamMessageId,Map<K,V>>>	read(StreamMessageId id, String name2, StreamMessageId id2) Read stream data by specified stream name including this stream.
Map<String,Map<StreamMessageId,Map<K,V>>>	read(StreamMessageId id, String name2, StreamMessageId id2, String name3, StreamMessageId id3) Read stream data by specified stream names including this stream.
Map<StreamMessageId,Map<K,V>>	readGroup(String groupName, String consumerName, int count, long timeout, TimeUnit unit, StreamMessageId... ids) Read stream data from groupName by consumerName and specified collection of Stream Message IDs.
Map<String,Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, int count, long timeout, TimeUnit unit, StreamMessageId id, Map<String,StreamMessageId> nameToId) Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.
Map<String,Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, int count, long timeout, TimeUnit unit, StreamMessageId id, String key2, StreamMessageId id2) Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.
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) Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.
Map<StreamMessageId,Map<K,V>>	readGroup(String groupName, String consumerName, int count, StreamMessageId... ids) Read stream data from groupName by consumerName and specified collection of Stream Message IDs.
Map<String,Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, int count, StreamMessageId id, Map<String,StreamMessageId> nameToId) Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.
Map<String,Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, int count, StreamMessageId id, String key2, StreamMessageId id2) Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.
Map<String,Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, int count, StreamMessageId id, String key2, StreamMessageId id2, String key3, StreamMessageId id3) Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.
Map<StreamMessageId,Map<K,V>>	readGroup(String groupName, String consumerName, long timeout, TimeUnit unit, StreamMessageId... ids) Read stream data from groupName by consumerName and specified collection of Stream Message IDs.
Map<String,Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, long timeout, TimeUnit unit, StreamMessageId id, Map<String,StreamMessageId> nameToId) Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.
Map<String,Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, long timeout, TimeUnit unit, StreamMessageId id, String key2, StreamMessageId id2) Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.
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) Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.
Map<StreamMessageId,Map<K,V>>	readGroup(String groupName, String consumerName, StreamMessageId... ids) Read stream data from groupName by consumerName and specified collection of Stream Message IDs.
Map<String,Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, StreamMessageId id, Map<String,StreamMessageId> nameToId) Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.
Map<String,Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, StreamMessageId id, String key2, StreamMessageId id2) Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.
Map<String,Map<StreamMessageId,Map<K,V>>>	readGroup(String groupName, String consumerName, StreamMessageId id, String key2, StreamMessageId id2, String key3, StreamMessageId id3) Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.
long	remove(StreamMessageId... ids) Removes messages by id.
long	removeConsumer(String groupName, String consumerName) Removes consumer of the group by name.
void	removeGroup(String groupName) Removes group by name.
long	size() Returns number of entries in stream
long	trim(int size) Trims stream to specified size
long	trimNonStrict(int size) Trims stream to few tens of entries more than specified length to trim.
void	updateGroupMessageId(String groupName, StreamMessageId id) Updates next message id delivered to consumers.

Methods inherited from interface org.redisson.api.RStreamAsync

ackAsync, addAllAsync, addAllAsync, addAllAsync, addAllAsync, addAsync, addAsync, addAsync, addAsync, claimAsync, createGroupAsync, createGroupAsync, fastClaimAsync, getInfoAsync, getPendingInfoAsync, listConsumersAsync, listGroupsAsync, listPendingAsync, listPendingAsync, listPendingAsync, pendingRangeAsync, pendingRangeAsync, rangeAsync, rangeAsync, rangeReversedAsync, rangeReversedAsync, readAsync, readAsync, readAsync, readAsync, readAsync, readAsync, readAsync, readAsync, readAsync, readAsync, readAsync, readAsync, readAsync, readAsync, readAsync, readAsync, readGroupAsync, readGroupAsync, readGroupAsync, readGroupAsync, readGroupAsync, readGroupAsync, readGroupAsync, readGroupAsync, readGroupAsync, readGroupAsync, readGroupAsync, readGroupAsync, readGroupAsync, readGroupAsync, readGroupAsync, removeAsync, removeConsumerAsync, removeGroupAsync, sizeAsync, trimAsync, trimNonStrictAsync, updateGroupMessageIdAsync

Methods inherited from interface org.redisson.api.RExpirable

clearExpire, expire, expireAt, expireAt, remainTimeToLive

Methods inherited from interface org.redisson.api.RObject

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

Methods inherited from interface org.redisson.api.RExpirableAsync

clearExpireAsync, expireAsync, expireAtAsync, expireAtAsync, remainTimeToLiveAsync

Methods inherited from interface org.redisson.api.RObjectAsync

addListenerAsync, copyAsync, deleteAsync, dumpAsync, isExistsAsync, migrateAsync, moveAsync, removeListenerAsync, renameAsync, renamenxAsync, restoreAndReplaceAsync, restoreAndReplaceAsync, restoreAsync, restoreAsync, sizeInMemoryAsync, touchAsync, unlinkAsync

Method Detail

createGroup

void createGroup(String groupName)

Creates consumer group by name. Only new messages will be available for consumers of this group.

Parameters:

groupName - - name of group

createGroup

void createGroup(String groupName,
                 StreamMessageId id)

Creates consumer group by name and Stream Message 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 creation StreamMessageId.ALL is used for all messages added before and after the moment of group creation

Parameters:

groupName - - name of group

id - - Stream Message ID

removeGroup

void removeGroup(String groupName)

Removes group by name.

Parameters:

groupName - - name of group

removeConsumer

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

void updateGroupMessageId(String groupName,
                          StreamMessageId id)

Updates next message id delivered to consumers.

Parameters:

groupName - - name of group

id - - Stream Message ID

ack

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 Message IDs

Returns:

marked messages amount

getPendingInfo

PendingResult getPendingInfo(String groupName)

Returns common info about pending messages by group name.

Parameters:

groupName - - name of group

Returns:

result object

listPending

@Deprecated
PendingResult listPending(String groupName)

Deprecated.

listPending

List<PendingEntry> listPending(String groupName,
                               StreamMessageId startId,
                               StreamMessageId endId,
                               int count)

Returns list of common info about 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:

list

See Also:

RStreamAsync.pendingRangeAsync(java.lang.String, org.redisson.api.StreamMessageId, org.redisson.api.StreamMessageId, int)

listPending

List<PendingEntry> listPending(String groupName,
                               String consumerName,
                               StreamMessageId startId,
                               StreamMessageId endId,
                               int count)

Returns list of common info about pending messages by group and consumer 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:

list

See Also:

RStreamAsync.pendingRangeAsync(java.lang.String, org.redisson.api.StreamMessageId, org.redisson.api.StreamMessageId, int)

pendingRange

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

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)

claim

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 Message IDs

Returns:

stream data mapped by Stream Message ID

fastClaim

List<StreamMessageId> fastClaim(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 Message IDs

Returns:

list of Stream Message IDs

readGroup

Map<StreamMessageId,Map<K,V>> readGroup(String groupName,
                                        String consumerName,
                                        StreamMessageId... ids)

Read stream data from groupName by consumerName and specified collection of Stream Message IDs.

Parameters:

groupName - - name of group

consumerName - - name of consumer

ids - - collection of Stream Message IDs

Returns:

stream data mapped by Stream Message ID

readGroup

Map<StreamMessageId,Map<K,V>> readGroup(String groupName,
                                        String consumerName,
                                        int count,
                                        StreamMessageId... ids)

Read stream data from groupName by consumerName and specified collection of Stream Message IDs.

Parameters:

groupName - - name of group

consumerName - - name of consumer

count - - stream data size limit

ids - - collection of Stream Message IDs

Returns:

stream data mapped by Stream Message ID

readGroup

Map<StreamMessageId,Map<K,V>> readGroup(String groupName,
                                        String consumerName,
                                        long timeout,
                                        TimeUnit unit,
                                        StreamMessageId... ids)

Read stream data from groupName by consumerName and specified collection of Stream Message IDs. Waits for stream data availability for specified timeout interval.

Parameters:

groupName - - name of group

consumerName - - name of consumer

timeout - - time interval to wait for stream data availability

unit - - time interval unit

ids - - collection of Stream Message IDs

Returns:

stream data mapped by Stream Message ID

readGroup

Map<StreamMessageId,Map<K,V>> readGroup(String groupName,
                                        String consumerName,
                                        int count,
                                        long timeout,
                                        TimeUnit unit,
                                        StreamMessageId... ids)

Read stream data from groupName by consumerName and specified collection of Stream Message IDs. Waits for stream data availability for specified timeout interval.

Parameters:

groupName - - name of group

consumerName - - name of consumer

count - - stream data size limit

timeout - - time interval to wait for stream data availability

unit - - time interval unit

ids - - collection of Stream Message IDs

Returns:

stream data mapped by Stream Message ID

readGroup

Map<String,Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                    String consumerName,
                                                    StreamMessageId id,
                                                    Map<String,StreamMessageId> nameToId)

Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.

Parameters:

groupName - - name of group

consumerName - - name of consumer

id - - starting message id for this stream

nameToId - - Stream Message ID mapped by stream name

Returns:

stream data mapped by key and Stream Message ID

readGroup

Map<String,Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                    String consumerName,
                                                    int count,
                                                    StreamMessageId id,
                                                    Map<String,StreamMessageId> nameToId)

Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.

Parameters:

groupName - - name of group

consumerName - - name of consumer

count - - stream data size limit

id - - starting message id for this stream

nameToId - - Stream Message ID mapped by stream name

Returns:

stream data mapped by key and Stream Message ID

readGroup

Map<String,Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                    String consumerName,
                                                    int count,
                                                    long timeout,
                                                    TimeUnit unit,
                                                    StreamMessageId id,
                                                    Map<String,StreamMessageId> nameToId)

Read stream data from groupName by consumerName, starting by specified message ids for this and other streams. Waits for the first stream data availability for specified timeout interval.

Parameters:

groupName - - name of group

consumerName - - name of consumer

count - - stream data size limit

timeout - - time interval to wait for stream data availability

unit - - time interval unit

id - - starting message id for this stream

nameToId - - Stream Message ID mapped by stream name

Returns:

stream data mapped by key and Stream Message ID

readGroup

Map<String,Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                    String consumerName,
                                                    long timeout,
                                                    TimeUnit unit,
                                                    StreamMessageId id,
                                                    Map<String,StreamMessageId> nameToId)

Read stream data from groupName by consumerName, starting by specified message ids for this and other streams. Waits for the first stream data availability for specified timeout interval.

Parameters:

groupName - - name of group

consumerName - - name of consumer

timeout - - time interval to wait for stream data availability

unit - - time interval unit

id - - starting message id for this stream

nameToId - - Stream Message ID mapped by stream name

Returns:

stream data mapped by key and Stream Message ID

readGroup

Map<String,Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                    String consumerName,
                                                    StreamMessageId id,
                                                    String key2,
                                                    StreamMessageId id2)

Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.

Parameters:

groupName - - name of group

consumerName - - name of consumer

id - - starting message id for this stream

key2 - - name of second stream

id2 - - starting message id for second stream

Returns:

stream data mapped by key and Stream Message ID

readGroup

Map<String,Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                    String consumerName,
                                                    StreamMessageId id,
                                                    String key2,
                                                    StreamMessageId id2,
                                                    String key3,
                                                    StreamMessageId id3)

Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.

Parameters:

groupName - - name of group

consumerName - - name of consumer

id - - starting message id for this stream

key2 - - name of second stream

id2 - - starting message id for second stream

key3 - - name of third stream

id3 - - starting message id for third stream

Returns:

stream data mapped by key and Stream Message ID

readGroup

Map<String,Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                    String consumerName,
                                                    int count,
                                                    StreamMessageId id,
                                                    String key2,
                                                    StreamMessageId id2)

Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.

Parameters:

groupName - - name of group

consumerName - - name of consumer

count - - stream data size limit

id - - starting message id for this stream

key2 - - name of second stream

id2 - - starting message id for second stream

Returns:

stream data mapped by key and Stream Message ID

readGroup

Map<String,Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                    String consumerName,
                                                    int count,
                                                    StreamMessageId id,
                                                    String key2,
                                                    StreamMessageId id2,
                                                    String key3,
                                                    StreamMessageId id3)

Read stream data from groupName by consumerName, starting by specified message ids for this and other streams.

Parameters:

groupName - - name of group

consumerName - - name of consumer

count - - stream data size limit

id - - starting message id for this stream

key2 - - name of second stream

id2 - - starting message id for second stream

key3 - - name of third stream

id3 - - starting message id for third stream

Returns:

stream data mapped by key and Stream Message ID

readGroup

Map<String,Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                    String consumerName,
                                                    long timeout,
                                                    TimeUnit unit,
                                                    StreamMessageId id,
                                                    String key2,
                                                    StreamMessageId id2)

Read stream data from groupName by consumerName, starting by specified message ids for this and other streams. Waits for the first stream data availability for specified timeout interval.

Parameters:

groupName - - name of group

consumerName - - name of consumer

timeout - - time interval to wait for stream data availability

unit - - time interval unit

id - - starting message id for this stream

key2 - - name of second stream

id2 - - starting message id for second stream

Returns:

stream data mapped by key and Stream Message ID

readGroup

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)

Read stream data from groupName by consumerName, starting by specified message ids for this and other streams. Waits for the first stream data availability for specified timeout interval.

Parameters:

groupName - - name of group

consumerName - - name of consumer

timeout - - time interval to wait for stream data availability

unit - - time interval unit

id - - starting message id for this stream

key2 - - name of second stream

id2 - - starting message id for second stream

key3 - - name of third stream

id3 - - starting message id for third stream

Returns:

stream data mapped by key and Stream Message ID

readGroup

Map<String,Map<StreamMessageId,Map<K,V>>> readGroup(String groupName,
                                                    String consumerName,
                                                    int count,
                                                    long timeout,
                                                    TimeUnit unit,
                                                    StreamMessageId id,
                                                    String key2,
                                                    StreamMessageId id2)

Read stream data from groupName by consumerName, starting by specified message ids for this and other streams. Waits for the first stream data availability for specified timeout interval.

Parameters:

groupName - - name of group

consumerName - - name of consumer

count - - stream data size limit

timeout - - time interval to wait for stream data availability

unit - - time interval unit

id - - starting message id for this stream

key2 - - name of second stream

id2 - - starting message id for second stream

Returns:

stream data mapped by key and Stream Message ID

readGroup

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)

Read stream data from groupName by consumerName, starting by specified message ids for this and other streams. Waits for the first stream data availability for specified timeout interval.

Parameters:

groupName - - name of group

consumerName - - name of consumer

count - - stream data size limit

timeout - - time interval to wait for stream data availability

unit - - time interval unit

id - - starting message id for this stream

key2 - - name of second stream

id2 - - starting message id for second stream

key3 - - name of third stream

id3 - - starting message id for third stream

Returns:

stream data mapped by key and Stream Message ID

size

long size()

Returns number of entries in stream

Returns:

size of stream

add

StreamMessageId add(K key,
                    V value)

Appends a new entry and returns generated Stream Message ID

Parameters:

key - - key of entry

value - - value of entry

Returns:

Stream Message ID

add

void add(StreamMessageId id,
         K key,
         V value)

Appends a new entry by specified Stream Message ID

Parameters:

id - - Stream Message ID

key - - key of entry

value - - value of entry

add

StreamMessageId add(K key,
                    V value,
                    int trimLen,
                    boolean trimStrict)

Appends a new entry and returns generated Stream Message ID. Trims stream to a specified trimLen size. If trimStrict is false then trims to few tens of entries more than specified length to trim.

Parameters:

key - - key of entry

value - - value of entry

trimLen - - length to trim

trimStrict - - if false then trims to few tens of entries more than specified length to trim

Returns:

Stream Message ID

add

void add(StreamMessageId id,
         K key,
         V value,
         int trimLen,
         boolean trimStrict)

Appends a new entry by specified Stream Message ID. Trims stream to a specified trimLen size. If trimStrict is false then trims to few tens of entries more than specified length to trim.

Parameters:

id - - Stream Message ID

key - - key of entry

value - - value of entry

trimLen - - length to trim

trimStrict - - if false then trims to few tens of entries more than specified length to trim

addAll

StreamMessageId addAll(Map<K,V> entries)

Appends new entries and returns generated Stream Message ID

Parameters:

entries - - entries to add

Returns:

Stream Message ID

addAll

void addAll(StreamMessageId id,
            Map<K,V> entries)

Appends new entries by specified Stream Message ID

Parameters:

id - - Stream Message ID

entries - - entries to add

addAll

StreamMessageId addAll(Map<K,V> entries,
                       int trimLen,
                       boolean trimStrict)

Appends new entries and returns generated Stream Message ID. Trims stream to a specified trimLen size. If trimStrict is false then trims to few tens of entries more than specified length to trim.

Parameters:

entries - - entries to add

trimLen - - length to trim

trimStrict - - if false then trims to few tens of entries more than specified length to trim

Returns:

Stream Message ID

addAll

void addAll(StreamMessageId id,
            Map<K,V> entries,
            int trimLen,
            boolean trimStrict)

Appends new entries by specified Stream Message ID. Trims stream to a specified trimLen size. If trimStrict is false then trims to few tens of entries more than specified length to trim.

Parameters:

id - - Stream Message ID

entries - - entries to add

trimLen - - length to trim

trimStrict - - if false then trims to few tens of entries more than specified length to trim

read

Map<StreamMessageId,Map<K,V>> read(StreamMessageId... ids)

Read stream data by specified collection of Stream Message IDs.

Parameters:

ids - - collection of Stream Message IDs

Returns:

stream data mapped by Stream Message ID

read

Map<StreamMessageId,Map<K,V>> read(int count,
                                   StreamMessageId... ids)

Read stream data by specified collection of Stream Message IDs.

Parameters:

count - - stream data size limit

ids - - collection of Stream Message IDs

Returns:

stream data mapped by Stream Message ID

read

Map<StreamMessageId,Map<K,V>> read(long timeout,
                                   TimeUnit unit,
                                   StreamMessageId... ids)

Read stream data by specified collection of Stream Message IDs. Wait for stream data availability for specified timeout interval.

Parameters:

timeout - - time interval to wait for stream data availability

unit - - time interval unit

ids - - collection of Stream Message IDs

Returns:

stream data mapped by Stream Message ID

read

Map<StreamMessageId,Map<K,V>> read(int count,
                                   long timeout,
                                   TimeUnit unit,
                                   StreamMessageId... ids)

Read stream data by specified collection of Stream Message IDs. Wait for stream data availability for specified timeout interval.

Parameters:

count - - stream data size limit

timeout - - time interval to wait for stream data availability

unit - - time interval unit

ids - - collection of Stream Message IDs

Returns:

stream data mapped by Stream Message ID

read

Map<String,Map<StreamMessageId,Map<K,V>>> read(StreamMessageId id,
                                               String name2,
                                               StreamMessageId id2)

Read stream data by specified stream name including this stream.

Parameters:

id - - id of this stream

name2 - - name of second stream

id2 - - id of second stream

Returns:

stream data mapped by key and Stream Message ID

read

Map<String,Map<StreamMessageId,Map<K,V>>> read(StreamMessageId id,
                                               String name2,
                                               StreamMessageId id2,
                                               String name3,
                                               StreamMessageId id3)

Read stream data by specified stream names including this stream.

Parameters:

id - - id of this stream

name2 - - name of second stream

id2 - - id of second stream

name3 - - name of third stream

id3 - - id of third stream

Returns:

stream data mapped by key and Stream Message ID

read

Map<String,Map<StreamMessageId,Map<K,V>>> read(StreamMessageId id,
                                               Map<String,StreamMessageId> nameToId)

Read stream data by specified Stream Message ID mapped by name including this stream.

Parameters:

id - - id of this stream

nameToId - - Stream Message ID mapped by name

Returns:

stream data mapped by key and Stream Message ID

read

Map<String,Map<StreamMessageId,Map<K,V>>> read(int count,
                                               StreamMessageId id,
                                               String name2,
                                               StreamMessageId id2)

Read stream data by specified stream name including this stream.

Parameters:

count - - stream data size limit

id - - id of this stream

name2 - - name of second stream

id2 - - id of second stream

Returns:

stream data mapped by key and Stream Message ID

read

Map<String,Map<StreamMessageId,Map<K,V>>> read(int count,
                                               StreamMessageId id,
                                               String name2,
                                               StreamMessageId id2,
                                               String name3,
                                               StreamMessageId id3)

Read stream data by specified stream names including this stream.

Parameters:

count - - stream data size limit

id - - id of this stream

name2 - - name of second stream

id2 - - id of second stream

name3 - - name of third stream

id3 - - id of third stream

Returns:

stream data mapped by key and Stream Message ID

read

Map<String,Map<StreamMessageId,Map<K,V>>> read(int count,
                                               StreamMessageId id,
                                               Map<String,StreamMessageId> nameToId)

Read stream data by specified Stream Message ID mapped by name including this stream.

Parameters:

count - - stream data size limit

id - - id of this stream

nameToId - - Stream Message ID mapped by name

Returns:

stream data mapped by key and Stream Message ID

read

Map<String,Map<StreamMessageId,Map<K,V>>> read(long timeout,
                                               TimeUnit unit,
                                               StreamMessageId id,
                                               String name2,
                                               StreamMessageId id2)

Read stream data by specified stream name including this stream. Wait for the first stream data availability for specified timeout interval.

Parameters:

timeout - - time interval to wait for stream data availability

unit - - time interval unit

id - - id of this stream

name2 - - name of second stream

id2 - - id of second stream

Returns:

stream data mapped by key and Stream Message ID

read

Map<String,Map<StreamMessageId,Map<K,V>>> read(long timeout,
                                               TimeUnit unit,
                                               StreamMessageId id,
                                               String name2,
                                               StreamMessageId id2,
                                               String name3,
                                               StreamMessageId id3)

Read stream data by specified stream names including this stream. Wait for the first stream data availability for specified timeout interval.

Parameters:

timeout - - time interval to wait for stream data availability

unit - - time interval unit

id - - id of this stream

name2 - - name of second stream

id2 - - id of second stream

name3 - - name of third stream

id3 - - id of third stream

Returns:

stream data mapped by key and Stream Message ID

read

Map<String,Map<StreamMessageId,Map<K,V>>> read(long timeout,
                                               TimeUnit unit,
                                               StreamMessageId id,
                                               Map<String,StreamMessageId> nameToId)

Read stream data by specified Stream Message ID mapped by name including this stream. Wait for the first stream data availability for specified timeout interval.

Parameters:

timeout - - time interval to wait for stream data availability

unit - - time interval unit

id - - id of this stream

nameToId - - Stream Message ID mapped by name

Returns:

stream data mapped by key and Stream Message ID

read

Map<String,Map<StreamMessageId,Map<K,V>>> read(int count,
                                               long timeout,
                                               TimeUnit unit,
                                               StreamMessageId id,
                                               String name2,
                                               StreamMessageId id2)

Read stream data by specified stream name including this stream. Wait for the first stream data availability for specified timeout interval.

Parameters:

count - - stream data size limit

timeout - - time interval to wait for stream data availability

unit - - time interval unit

id - - id of this stream

name2 - - name of second stream

id2 - - id of second stream

Returns:

stream data mapped by key and Stream Message ID

read

Map<String,Map<StreamMessageId,Map<K,V>>> read(int count,
                                               long timeout,
                                               TimeUnit unit,
                                               StreamMessageId id,
                                               String name2,
                                               StreamMessageId id2,
                                               String name3,
                                               StreamMessageId id3)

Read stream data by specified stream names including this stream. Wait for the first stream data availability for specified timeout interval.

Parameters:

count - - stream data size limit

timeout - - time interval to wait for stream data availability

unit - - time interval unit

id - - id of this stream

name2 - - name of second stream

id2 - - id of second stream

name3 - - name of third stream

id3 - - id of third stream

Returns:

stream data mapped by key and Stream Message ID

read

Map<String,Map<StreamMessageId,Map<K,V>>> read(int count,
                                               long timeout,
                                               TimeUnit unit,
                                               StreamMessageId id,
                                               Map<String,StreamMessageId> nameToId)

Read stream data by specified Stream Message ID mapped by name including this stream. Wait for the first stream data availability for specified timeout interval.

Parameters:

count - - stream data size limit

timeout - - time interval to wait for stream data availability

unit - - time interval unit

id - - id of this stream

nameToId - - Stream Message ID mapped by name

Returns:

stream data mapped by key and Stream Message ID

range

Map<StreamMessageId,Map<K,V>> range(StreamMessageId startId,
                                    StreamMessageId endId)

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

Parameters:

startId - - start Stream Message ID

endId - - end Stream Message ID

Returns:

stream data mapped by Stream Message ID

range

Map<StreamMessageId,Map<K,V>> range(int count,
                                    StreamMessageId startId,
                                    StreamMessageId endId)

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

Parameters:

count - - stream data size limit

startId - - start Stream Message ID

endId - - end Stream Message ID

Returns:

stream data mapped by Stream Message ID

rangeReversed

Map<StreamMessageId,Map<K,V>> rangeReversed(StreamMessageId startId,
                                            StreamMessageId endId)

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

Parameters:

startId - - start Stream Message ID

endId - - end Stream Message ID

Returns:

stream data mapped by Stream Message ID

rangeReversed

Map<StreamMessageId,Map<K,V>> rangeReversed(int count,
                                            StreamMessageId startId,
                                            StreamMessageId endId)

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

Parameters:

count - - stream data size limit

startId - - start Stream Message ID

endId - - end Stream Message ID

Returns:

stream data mapped by Stream Message ID

remove

long remove(StreamMessageId... ids)

Removes messages by id.

Parameters:

ids - - id of messages to remove

Returns:

deleted messages amount

trim

long trim(int size)

Trims stream to specified size

Parameters:

size - - new size of stream

Returns:

number of deleted messages

trimNonStrict

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

getInfo

StreamInfo<K,V> getInfo()

Returns information about this stream.

Returns:

info object

listGroups

List<StreamGroup> listGroups()

Returns list of common info about groups belonging to this stream.

Returns:

list of info objects

listConsumers

List<StreamConsumer> listConsumers(String groupName)

Returns list of common info about group customers for specified groupName.

Parameters:

groupName - - name of group

Returns:

list of info objects