Module lettuce.core
Package io.lettuce.core.api.sync

Interface RedisSetCommands<K,​V>

Type Parameters:
K - Key type.
V - Value type.
All Known Subinterfaces:
RedisAdvancedClusterCommands<K,​V>, RedisClusterCommands<K,​V>, RedisClusterPubSubCommands<K,​V>, RedisCommands<K,​V>, RedisPubSubCommands<K,​V>
public interface RedisSetCommands<K,​V>
Synchronous executed commands for Sets.
Since:
4.0
Author:
Mark Paluch
Generated class:
by io.lettuce.apigenerator.CreateSyncApi

  • Method Details

    • sadd

      Long sadd​(K key, V... members)
      Add one or more members to a set.
      Parameters:
      key - the key.
      members - the member type: value.
      Returns:
      Long integer-reply the number of elements that were added to the set, not including all the elements already present into the set.

    • scard

      Long scard​(K key)
      Get the number of members in a set.
      Parameters:
      key - the key.
      Returns:
      Long integer-reply the cardinality (number of elements) of the set, or false if key does not exist.

    • sdiff

      Set<V> sdiff​(K... keys)
      Subtract multiple sets.
      Parameters:
      keys - the key.
      Returns:
      Set<V> array-reply list with members of the resulting set.

    • sdiff

      Long sdiff​(ValueStreamingChannel<V> channel, K... keys)
      Subtract multiple sets.
      Parameters:
      channel - the channel.
      keys - the keys.
      Returns:
      Long count of members of the resulting set.

    • sdiffstore

      Long sdiffstore​(K destination, K... keys)
      Subtract multiple sets and store the resulting set in a key.
      Parameters:
      destination - the destination type: key.
      keys - the key.
      Returns:
      Long integer-reply the number of elements in the resulting set.

    • sinter

      Set<V> sinter​(K... keys)
      Intersect multiple sets.
      Parameters:
      keys - the key.
      Returns:
      Set<V> array-reply list with members of the resulting set.

    • sinter

      Long sinter​(ValueStreamingChannel<V> channel, K... keys)
      Intersect multiple sets.
      Parameters:
      channel - the channel.
      keys - the keys.
      Returns:
      Long count of members of the resulting set.

    • sinterstore

      Long sinterstore​(K destination, K... keys)
      Intersect multiple sets and store the resulting set in a key.
      Parameters:
      destination - the destination type: key.
      keys - the key.
      Returns:
      Long integer-reply the number of elements in the resulting set.

    • sismember

      Boolean sismember​(K key, V member)
      Determine if a given value is a member of a set.
      Parameters:
      key - the key.
      member - the member type: value.
      Returns:
      Boolean integer-reply specifically: true if the element is a member of the set. false if the element is not a member of the set, or if key does not exist.

    • smembers

      Set<V> smembers​(K key)
      Get all the members in a set.
      Parameters:
      key - the key.
      Returns:
      Set<V> array-reply all elements of the set.

    • smembers

      Long smembers​(ValueStreamingChannel<V> channel, K key)
      Get all the members in a set.
      Parameters:
      channel - the channel.
      key - the keys.
      Returns:
      Long count of members of the resulting set.

    • smismember

      List<Boolean> smismember​(K key, V... members)
      Returns whether each member is a member of the set stored at key.
      Parameters:
      key - the key.
      members - the member type: value.
      Returns:
      List<Boolean> array-reply list representing the membership of the given elements, in the same order as they are requested.
      Since:
      6.1

    • smove

      Boolean smove​(K source, K destination, V member)
      Move a member from one set to another.
      Parameters:
      source - the source key.
      destination - the destination type: key.
      member - the member type: value.
      Returns:
      Boolean integer-reply specifically: true if the element is moved. false if the element is not a member of source and no operation was performed.

    • spop

      V spop​(K key)
      Remove and return a random member from a set.
      Parameters:
      key - the key.
      Returns:
      V bulk-string-reply the removed element, or null when key does not exist.

    • spop

      Set<V> spop​(K key, long count)
      Remove and return one or multiple random members from a set.
      Parameters:
      key - the key.
      count - number of members to pop.
      Returns:
      V bulk-string-reply the removed element, or null when key does not exist.

    • srandmember

      V srandmember​(K key)
      Get one random member from a set.
      Parameters:
      key - the key.
      Returns:
      V bulk-string-reply without the additional count argument the command returns a Bulk Reply with the randomly selected element, or null when key does not exist.

    • srandmember

      List<V> srandmember​(K key, long count)
      Get one or multiple random members from a set.
      Parameters:
      key - the key.
      count - the count type: long.
      Returns:
      Set<V> bulk-string-reply without the additional count argument the command returns a Bulk Reply with the randomly selected element, or null when key does not exist.

    • srandmember

      Long srandmember​(ValueStreamingChannel<V> channel, K key, long count)
      Get one or multiple random members from a set.
      Parameters:
      channel - streaming channel that receives a call for every value.
      key - the key.
      count - the count.
      Returns:
      Long count of members of the resulting set.

    • srem

      Long srem​(K key, V... members)
      Remove one or more members from a set.
      Parameters:
      key - the key.
      members - the member type: value.
      Returns:
      Long integer-reply the number of members that were removed from the set, not including non existing members.

    • sunion

      Set<V> sunion​(K... keys)
      Add multiple sets.
      Parameters:
      keys - the key.
      Returns:
      Set<V> array-reply list with members of the resulting set.

    • sunion

      Long sunion​(ValueStreamingChannel<V> channel, K... keys)
      Add multiple sets.
      Parameters:
      channel - streaming channel that receives a call for every value.
      keys - the keys.
      Returns:
      Long count of members of the resulting set.

    • sunionstore

      Long sunionstore​(K destination, K... keys)
      Add multiple sets and store the resulting set in a key.
      Parameters:
      destination - the destination type: key.
      keys - the key.
      Returns:
      Long integer-reply the number of elements in the resulting set.

    • sscan

      ValueScanCursor<V> sscan​(K key)
      Incrementally iterate Set elements.
      Parameters:
      key - the key.
      Returns:
      ValueScanCursor<V> scan cursor.

    • sscan

      ValueScanCursor<V> sscan​(K key, ScanArgs scanArgs)
      Incrementally iterate Set elements.
      Parameters:
      key - the key.
      scanArgs - scan arguments.
      Returns:
      ValueScanCursor<V> scan cursor.

    • sscan

      ValueScanCursor<V> sscan​(K key, ScanCursor scanCursor, ScanArgs scanArgs)
      Incrementally iterate Set elements.
      Parameters:
      key - the key.
      scanCursor - cursor to resume from a previous scan, must not be null.
      scanArgs - scan arguments.
      Returns:
      ValueScanCursor<V> scan cursor.

    • sscan

      ValueScanCursor<V> sscan​(K key, ScanCursor scanCursor)
      Incrementally iterate Set elements.
      Parameters:
      key - the key.
      scanCursor - cursor to resume from a previous scan, must not be null.
      Returns:
      ValueScanCursor<V> scan cursor.

    • sscan

      StreamScanCursor sscan​(ValueStreamingChannel<V> channel, K key)
      Incrementally iterate Set elements.
      Parameters:
      channel - streaming channel that receives a call for every value.
      key - the key.
      Returns:
      StreamScanCursor scan cursor.

    • sscan

      StreamScanCursor sscan​(ValueStreamingChannel<V> channel, K key, ScanArgs scanArgs)
      Incrementally iterate Set elements.
      Parameters:
      channel - streaming channel that receives a call for every value.
      key - the key.
      scanArgs - scan arguments.
      Returns:
      StreamScanCursor scan cursor.

    • sscan

      StreamScanCursor sscan​(ValueStreamingChannel<V> channel, K key, ScanCursor scanCursor, ScanArgs scanArgs)
      Incrementally iterate Set elements.
      Parameters:
      channel - streaming channel that receives a call for every value.
      key - the key.
      scanCursor - cursor to resume from a previous scan, must not be null.
      scanArgs - scan arguments.
      Returns:
      StreamScanCursor scan cursor.

    • sscan

      StreamScanCursor sscan​(ValueStreamingChannel<V> channel, K key, ScanCursor scanCursor)
      Incrementally iterate Set elements.
      Parameters:
      channel - streaming channel that receives a call for every value.
      key - the key.
      scanCursor - cursor to resume from a previous scan, must not be null.
      Returns:
      StreamScanCursor scan cursor.