org.redisson.api.RStream Maven / Gradle / Ivy
/**
* Copyright 2018 Nikita Koksharov
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.redisson.api;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
/**
* Interface for Redis Stream object.
*
* Requires Redis 5.0.0 and higher.
*
* @author Nikita Koksharov
*
* @param key type
* @param value type
*/
public interface RStream extends RStreamAsync, RExpirable {
/**
* Creates consumer group by name.
*
* @param groupName - name of group
*/
void createGroup(String groupName);
/**
* Creates consumer group by name and Stream Message ID.
* Only new messages after defined stream id
will be available for consumers of this group.
*
* {@link StreamMessageId#NEWEST} is used for messages arrived since the moment of group creating
*
* @param groupName - name of group
* @param id - Stream Message ID
*/
void createGroup(String groupName, StreamMessageId id);
/**
* Removes group by name.
*
* @param groupName - name of group
*/
void removeGroup(String groupName);
/**
* Removes consumer of the group by name.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @return number of pending messages owned by consumer
*/
long removeConsumer(String groupName, String consumerName);
/**
* Updates next message id delivered to consumers.
*
* @param groupName - name of group
* @param id - Stream Message ID
*/
void updateGroupMessageId(String groupName, StreamMessageId id);
/**
* Marks pending messages by group name and stream ids
as correctly processed.
*
* @param groupName - name of group
* @param ids - Stream Message IDs
* @return marked messages amount
*/
long ack(String groupName, StreamMessageId... ids);
/**
* Returns pending messages by group name
*
* @param groupName - name of group
* @return result object
*/
PendingResult listPending(String groupName);
/**
* Returns list of pending messages by group name.
* Limited by start Stream Message ID and end Stream Message ID and count.
*
* {@link StreamMessageId#MAX} is used as max Stream Message ID
* {@link StreamMessageId#MIN} is used as min Stream Message ID
*
* @param groupName - name of group
* @param startId - start Stream Message ID
* @param endId - end Stream Message ID
* @param count - amount of messages
* @return list
*/
List listPending(String groupName, StreamMessageId startId, StreamMessageId endId, int count);
/**
* Returns list of pending messages by group name and consumer name.
* Limited by start Stream Message ID and end Stream Message ID and count.
*
* {@link StreamMessageId#MAX} is used as max Stream Message ID
* {@link StreamMessageId#MIN} is used as min Stream Message ID
*
* @param consumerName - name of consumer
* @param groupName - name of group
* @param startId - start Stream Message ID
* @param endId - end Stream Message ID
* @param count - amount of messages
* @return list
*/
List listPending(String groupName, String consumerName, StreamMessageId startId, StreamMessageId endId, int count);
/**
* Transfers ownership of pending messages by id to a new consumer
* by name if idle time of messages is greater than defined value.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param idleTime - minimum idle time of messages
* @param idleTimeUnit - idle time unit
* @param ids - Stream Message IDs
* @return stream data mapped by Stream Message ID
*/
Map> 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.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param idleTime - minimum idle time of messages
* @param idleTimeUnit - idle time unit
* @param ids - Stream Message IDs
* @return list of Stream Message IDs
*/
List fastClaim(String groupName, String consumerName, long idleTime, TimeUnit idleTimeUnit, StreamMessageId ... ids);
/**
* Read stream data from groupName
by consumerName
and specified collection of Stream Message IDs.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param ids - collection of Stream Message IDs
* @return stream data mapped by Stream Message ID
*/
Map> readGroup(String groupName, String consumerName, StreamMessageId ... ids);
/**
* Read stream data from groupName
by consumerName
and specified collection of Stream Message IDs.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param count - stream data size limit
* @param ids - collection of Stream Message IDs
* @return stream data mapped by Stream Message ID
*/
Map> readGroup(String groupName, String consumerName, int count, 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.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param ids - collection of Stream Message IDs
* @return stream data mapped by Stream Message ID
*/
Map> 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.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param count - stream data size limit
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param ids - collection of Stream Message IDs
* @return stream data mapped by Stream Message ID
*/
Map> readGroup(String groupName, String consumerName, int count, long timeout, TimeUnit unit, StreamMessageId ... ids);
/**
* Read stream data from groupName
by consumerName
, starting by specified message ids for this and other streams.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param id - starting message id for this stream
* @param nameToId - Stream Message ID mapped by stream name
* @return stream data mapped by key and Stream Message ID
*/
Map>> readGroup(String groupName, String consumerName, StreamMessageId id, Map nameToId);
/**
* Read stream data from groupName
by consumerName
, starting by specified message ids for this and other streams.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param count - stream data size limit
* @param id - starting message id for this stream
* @param nameToId - Stream Message ID mapped by stream name
* @return stream data mapped by key and Stream Message ID
*/
Map>> readGroup(String groupName, String consumerName, int count, StreamMessageId id, Map 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.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param count - stream data size limit
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param id - starting message id for this stream
* @param nameToId - Stream Message ID mapped by stream name
* @return stream data mapped by key and Stream Message ID
*/
Map>> readGroup(String groupName, String consumerName, int count, long timeout, TimeUnit unit, StreamMessageId id, Map 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.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param id - starting message id for this stream
* @param nameToId - Stream Message ID mapped by stream name
* @return stream data mapped by key and Stream Message ID
*/
Map>> readGroup(String groupName, String consumerName, long timeout, TimeUnit unit, StreamMessageId id, Map nameToId);
/**
* Read stream data from groupName
by consumerName
, starting by specified message ids for this and other streams.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param id - starting message id for this stream
* @param key2 - name of second stream
* @param id2 - starting message id for second stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> 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.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param id - starting message id for this stream
* @param key2 - name of second stream
* @param id2 - starting message id for second stream
* @param key3 - name of third stream
* @param id3 - starting message id for third stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> 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.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param count - stream data size limit
* @param id - starting message id for this stream
* @param key2 - name of second stream
* @param id2 - starting message id for second stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> 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.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param count - stream data size limit
* @param id - starting message id for this stream
* @param key2 - name of second stream
* @param id2 - starting message id for second stream
* @param key3 - name of third stream
* @param id3 - starting message id for third stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> 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.
* Waits for the first stream data availability for specified timeout
interval.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param id - starting message id for this stream
* @param key2 - name of second stream
* @param id2 - starting message id for second stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> 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.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param id - starting message id for this stream
* @param key2 - name of second stream
* @param id2 - starting message id for second stream
* @param key3 - name of third stream
* @param id3 - starting message id for third stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> 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.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param count - stream data size limit
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param id - starting message id for this stream
* @param key2 - name of second stream
* @param id2 - starting message id for second stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> 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.
*
* @param groupName - name of group
* @param consumerName - name of consumer
* @param count - stream data size limit
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param id - starting message id for this stream
* @param key2 - name of second stream
* @param id2 - starting message id for second stream
* @param key3 - name of third stream
* @param id3 - starting message id for third stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> readGroup(String groupName, String consumerName, int count, long timeout, TimeUnit unit, StreamMessageId id, String key2,
StreamMessageId id2, String key3, StreamMessageId id3);
/**
* Returns number of entries in stream
*
* @return size of stream
*/
long size();
/**
* Appends a new entry and returns generated Stream Message ID
*
* @param key - key of entry
* @param value - value of entry
* @return Stream Message ID
*/
StreamMessageId add(K key, V value);
/**
* Appends a new entry by specified Stream Message ID
*
* @param id - Stream Message ID
* @param key - key of entry
* @param value - value of entry
*/
void add(StreamMessageId id, K key, V value);
/**
* 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.
*
* @param key - key of entry
* @param value - value of entry
* @param trimLen - length to trim
* @param trimStrict - if false
then trims to few tens of entries more than specified length to trim
* @return Stream Message ID
*/
StreamMessageId add(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.
*
* @param id - Stream Message ID
* @param key - key of entry
* @param value - value of entry
* @param trimLen - length to trim
* @param trimStrict - if false
then trims to few tens of entries more than specified length to trim
*/
void add(StreamMessageId id, K key, V value, int trimLen, boolean trimStrict);
/**
* Appends new entries and returns generated Stream Message ID
*
* @param entries - entries to add
* @return Stream Message ID
*/
StreamMessageId addAll(Map entries);
/**
* Appends new entries by specified Stream Message ID
*
* @param id - Stream Message ID
* @param entries - entries to add
*/
void addAll(StreamMessageId id, Map entries);
/**
* 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.
*
* @param entries - entries to add
* @param trimLen - length to trim
* @param trimStrict - if false
then trims to few tens of entries more than specified length to trim
* @return Stream Message ID
*/
StreamMessageId addAll(Map 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.
*
* @param id - Stream Message ID
* @param entries - entries to add
* @param trimLen - length to trim
* @param trimStrict - if false
then trims to few tens of entries more than specified length to trim
*/
void addAll(StreamMessageId id, Map entries, int trimLen, boolean trimStrict);
/**
* Read stream data by specified collection of Stream Message IDs.
*
* @param ids - collection of Stream Message IDs
* @return stream data mapped by Stream Message ID
*/
Map> read(StreamMessageId ... ids);
/**
* Read stream data by specified collection of Stream Message IDs.
*
* @param count - stream data size limit
* @param ids - collection of Stream Message IDs
* @return stream data mapped by Stream Message ID
*/
Map> read(int count, StreamMessageId ... ids);
/**
* Read stream data by specified collection of Stream Message IDs.
* Wait for stream data availability for specified timeout
interval.
*
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param ids - collection of Stream Message IDs
* @return stream data mapped by Stream Message ID
*/
Map> 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.
*
* @param count - stream data size limit
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param ids - collection of Stream Message IDs
* @return stream data mapped by Stream Message ID
*/
Map> read(int count, long timeout, TimeUnit unit, StreamMessageId ... ids);
/**
* Read stream data by specified stream name including this stream.
*
* @param id - id of this stream
* @param name2 - name of second stream
* @param id2 - id of second stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> read(StreamMessageId id, String name2, StreamMessageId id2);
/**
* Read stream data by specified stream names including this stream.
*
* @param id - id of this stream
* @param name2 - name of second stream
* @param id2 - id of second stream
* @param name3 - name of third stream
* @param id3 - id of third stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> read(StreamMessageId id, String name2, StreamMessageId id2, String name3, StreamMessageId id3);
/**
* Read stream data by specified Stream Message ID mapped by name including this stream.
*
* @param id - id of this stream
* @param nameToId - Stream Message ID mapped by name
* @return stream data mapped by key and Stream Message ID
*/
Map>> read(StreamMessageId id, Map nameToId);
/**
* Read stream data by specified stream name including this stream.
*
* @param count - stream data size limit
* @param id - id of this stream
* @param name2 - name of second stream
* @param id2 - id of second stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> read(int count, StreamMessageId id, String name2, StreamMessageId id2);
/**
* Read stream data by specified stream names including this stream.
*
* @param count - stream data size limit
* @param id - id of this stream
* @param name2 - name of second stream
* @param id2 - id of second stream
* @param name3 - name of third stream
* @param id3 - id of third stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> read(int count, StreamMessageId id, String name2, StreamMessageId id2, String name3, StreamMessageId id3);
/**
* Read stream data by specified Stream Message ID mapped by name including this stream.
*
* @param count - stream data size limit
* @param id - id of this stream
* @param nameToId - Stream Message ID mapped by name
* @return stream data mapped by key and Stream Message ID
*/
Map>> read(int count, StreamMessageId id, Map nameToId);
/**
* Read stream data by specified stream name including this stream.
* Wait for the first stream data availability for specified timeout
interval.
*
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param id - id of this stream
* @param name2 - name of second stream
* @param id2 - id of second stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> read(long timeout, TimeUnit unit, StreamMessageId id, String name2, StreamMessageId id2);
/**
* Read stream data by specified stream names including this stream.
* Wait for the first stream data availability for specified timeout
interval.
*
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param id - id of this stream
* @param name2 - name of second stream
* @param id2 - id of second stream
* @param name3 - name of third stream
* @param id3 - id of third stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> read(long timeout, TimeUnit unit, StreamMessageId id, String name2, StreamMessageId id2, String name3, StreamMessageId id3);
/**
* 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.
*
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param id - id of this stream
* @param nameToId - Stream Message ID mapped by name
* @return stream data mapped by key and Stream Message ID
*/
Map>> read(long timeout, TimeUnit unit, StreamMessageId id, Map nameToId);
/**
* Read stream data by specified stream name including this stream.
* Wait for the first stream data availability for specified timeout
interval.
*
* @param count - stream data size limit
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param id - id of this stream
* @param name2 - name of second stream
* @param id2 - id of second stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> read(int count, long timeout, TimeUnit unit, StreamMessageId id, String name2, StreamMessageId id2);
/**
* Read stream data by specified stream names including this stream.
* Wait for the first stream data availability for specified timeout
interval.
*
* @param count - stream data size limit
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param id - id of this stream
* @param name2 - name of second stream
* @param id2 - id of second stream
* @param name3 - name of third stream
* @param id3 - id of third stream
* @return stream data mapped by key and Stream Message ID
*/
Map>> read(int count, long timeout, TimeUnit unit, StreamMessageId id, String name2, StreamMessageId id2, String name3, StreamMessageId id3);
/**
* 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.
*
* @param count - stream data size limit
* @param timeout - time interval to wait for stream data availability
* @param unit - time interval unit
* @param id - id of this stream
* @param nameToId - Stream Message ID mapped by name
* @return stream data mapped by key and Stream Message ID
*/
Map>> read(int count, long timeout, TimeUnit unit, StreamMessageId id, Map nameToId);
/**
* Read stream data in range by specified start Stream Message ID (included) and end Stream Message ID (included).
*
* @param startId - start Stream Message ID
* @param endId - end Stream Message ID
* @return stream data mapped by Stream Message ID
*/
Map> range(StreamMessageId startId, StreamMessageId endId);
/**
* Read stream data in range by specified start Stream Message ID (included) and end Stream Message ID (included).
*
* @param count - stream data size limit
* @param startId - start Stream Message ID
* @param endId - end Stream Message ID
* @return stream data mapped by Stream Message ID
*/
Map> range(int count, StreamMessageId startId, StreamMessageId endId);
/**
* Read stream data in reverse order in range by specified start Stream Message ID (included) and end Stream Message ID (included).
*
* @param startId - start Stream Message ID
* @param endId - end Stream Message ID
* @return stream data mapped by Stream Message ID
*/
Map> rangeReversed(StreamMessageId startId, StreamMessageId endId);
/**
* Read stream data in reverse order in range by specified start Stream Message ID (included) and end Stream Message ID (included).
*
* @param count - stream data size limit
* @param startId - start Stream Message ID
* @param endId - end Stream Message ID
* @return stream data mapped by Stream Message ID
*/
Map> rangeReversed(int count, StreamMessageId startId, StreamMessageId endId);
/**
* Removes messages by id.
*
* @param ids - id of messages to remove
* @return deleted messages amount
*/
long remove(StreamMessageId... ids);
/**
* Trims stream to specified size
*
* @param size - new size of stream
* @return number of deleted messages
*/
long trim(int size);
/**
* Trims stream to few tens of entries more than specified length to trim.
*
* @param size - new size of stream
* @return number of deleted messages
*/
long trimNonStrict(int size);
}