org.springframework.data.redis.core

Interface ReactiveValueOperations<K,V>

public interface ReactiveValueOperations<K,V>

Reactive Redis operations for simple (or in Redis terminology 'string') values.

Since:

2.0

Author:

Mark Paluch, Jiahe Cai

Method Summary

Modifier and Type	Method and Description
reactor.core.publisher.Mono<Long>	append(K key, String value) Append a value to key.
reactor.core.publisher.Mono<List<Long>>	bitField(K key, BitFieldSubCommands command) Get / Manipulate specific integer fields of varying bit widths and arbitrary non (necessary) aligned offset stored at a given key.
reactor.core.publisher.Mono<Long>	decrement(K key) Decrements the number stored at key by one.
reactor.core.publisher.Mono<Long>	decrement(K key, long delta) Decrements the number stored at key by delta.
reactor.core.publisher.Mono<Boolean>	delete(K key) Removes the given key.
reactor.core.publisher.Mono<String>	get(K key, long start, long end) Get a substring of value of key between begin and end.
reactor.core.publisher.Mono<V>	get(Object key) Get the value of key.
reactor.core.publisher.Mono<V>	getAndSet(K key, V value) Set value of key and return its old value.
reactor.core.publisher.Mono<Boolean>	getBit(K key, long offset) « Get the bit value at offset of value at key.
reactor.core.publisher.Mono<Long>	increment(K key) Increments the number stored at key by one.
reactor.core.publisher.Mono<Double>	increment(K key, double delta) Increment the string representing a floating point number stored at key by delta.
reactor.core.publisher.Mono<Long>	increment(K key, long delta) Increments the number stored at key by delta.
reactor.core.publisher.Mono<List<V>>	multiGet(Collection<K> keys) Get multiple keys.
reactor.core.publisher.Mono<Boolean>	multiSet(Map<? extends K,? extends V> map) Set multiple keys to multiple values using key-value pairs provided in tuple.
reactor.core.publisher.Mono<Boolean>	multiSetIfAbsent(Map<? extends K,? extends V> map) Set multiple keys to multiple values using key-value pairs provided in tuple only if the provided key does not exist.
reactor.core.publisher.Mono<Boolean>	set(K key, V value) Set value for key.
reactor.core.publisher.Mono<Boolean>	set(K key, V value, Duration timeout) Set the value and expiration timeout for key.
reactor.core.publisher.Mono<Long>	set(K key, V value, long offset) Overwrite parts of key starting at the specified offset with given value.
reactor.core.publisher.Mono<Boolean>	setBit(K key, long offset, boolean value) Sets the bit at offset in value stored at key.
reactor.core.publisher.Mono<Boolean>	setIfAbsent(K key, V value) Set key to hold the string value if key is absent.
reactor.core.publisher.Mono<Boolean>	setIfAbsent(K key, V value, Duration timeout) Set key to hold the string value and expiration timeout if key is absent.
reactor.core.publisher.Mono<Boolean>	setIfPresent(K key, V value) Set key to hold the string value if key is present.
reactor.core.publisher.Mono<Boolean>	setIfPresent(K key, V value, Duration timeout) Set key to hold the string value and expiration timeout if key is present.
reactor.core.publisher.Mono<Long>	size(K key) Get the length of the value stored at key.

Method Detail

set

reactor.core.publisher.Mono<Boolean> set(K key,
                                         V value)

Set value for key.

Parameters:

key - must not be null.

value -

See Also:

Redis Documentation: SET

set

reactor.core.publisher.Mono<Boolean> set(K key,
                                         V value,
                                         Duration timeout)

Set the value and expiration timeout for key.

Parameters:

key - must not be null.

value -

timeout - must not be null.

See Also:

Redis Documentation: SETEX

setIfAbsent

reactor.core.publisher.Mono<Boolean> setIfAbsent(K key,
                                                 V value)

Set key to hold the string value if key is absent.

Parameters:

key - must not be null.

value -

See Also:

Redis Documentation: SETNX

setIfAbsent

reactor.core.publisher.Mono<Boolean> setIfAbsent(K key,
                                                 V value,
                                                 Duration timeout)

Set key to hold the string value and expiration timeout if key is absent.

Parameters:

key - must not be null.

value -

timeout - must not be null.

Since:

2.1

See Also:

Redis Documentation: SET

setIfPresent

reactor.core.publisher.Mono<Boolean> setIfPresent(K key,
                                                  V value)

Set key to hold the string value if key is present.

Parameters:

key - must not be null.

value -

See Also:

Redis Documentation: SET

setIfPresent

reactor.core.publisher.Mono<Boolean> setIfPresent(K key,
                                                  V value,
                                                  Duration timeout)

Set key to hold the string value and expiration timeout if key is present.

Parameters:

key - must not be null.

value -

timeout - must not be null.

Since:

2.1

See Also:

Redis Documentation: SET

multiSet

reactor.core.publisher.Mono<Boolean> multiSet(Map<? extends K,? extends V> map)

Set multiple keys to multiple values using key-value pairs provided in tuple.

Parameters:

map - must not be null.

See Also:

Redis Documentation: MSET

multiSetIfAbsent

reactor.core.publisher.Mono<Boolean> multiSetIfAbsent(Map<? extends K,? extends V> map)

Set multiple keys to multiple values using key-value pairs provided in tuple only if the provided key does not exist.

Parameters:

map - must not be null.

See Also:

Redis Documentation: MSETNX

get

reactor.core.publisher.Mono<V> get(Object key)

Get the value of key.

Parameters:

key - must not be null.

See Also:

Redis Documentation: GET

getAndSet

reactor.core.publisher.Mono<V> getAndSet(K key,
                                         V value)

Set value of key and return its old value.

Parameters:

key - must not be null.

See Also:

Redis Documentation: GETSET

multiGet

reactor.core.publisher.Mono<List<V>> multiGet(Collection<K> keys)

Get multiple keys. Values are returned in the order of the requested keys.

Parameters:

keys - must not be null.

See Also:

Redis Documentation: MGET

increment

reactor.core.publisher.Mono<Long> increment(K key)

Increments the number stored at key by one.

Parameters:

key - must not be null.

Since:

2.1

See Also:

Redis Documentation: INCR

increment

reactor.core.publisher.Mono<Long> increment(K key,
                                            long delta)

Increments the number stored at key by delta.

Parameters:

key - must not be null.

delta -

Since:

2.1

See Also:

Redis Documentation: INCRBY

increment

reactor.core.publisher.Mono<Double> increment(K key,
                                              double delta)

Increment the string representing a floating point number stored at key by delta.

Parameters:

key - must not be null.

delta -

Since:

2.1

See Also:

Redis Documentation: INCRBYFLOAT

decrement

reactor.core.publisher.Mono<Long> decrement(K key)

Decrements the number stored at key by one.

Parameters:

key - must not be null.

Since:

2.1

See Also:

Redis Documentation: DECR

decrement

reactor.core.publisher.Mono<Long> decrement(K key,
                                            long delta)

Decrements the number stored at key by delta.

Parameters:

key - must not be null.

delta -

Since:

2.1

See Also:

Redis Documentation: DECRBY

append

reactor.core.publisher.Mono<Long> append(K key,
                                         String value)

Append a value to key.

Parameters:

key - must not be null.

value -

See Also:

Redis Documentation: APPEND

get

reactor.core.publisher.Mono<String> get(K key,
                                        long start,
                                        long end)

Get a substring of value of key between begin and end.

Parameters:

key - must not be null.

start -

end -

See Also:

Redis Documentation: GETRANGE

set

reactor.core.publisher.Mono<Long> set(K key,
                                      V value,
                                      long offset)

Overwrite parts of key starting at the specified offset with given value.

Parameters:

key - must not be null.

value -

offset -

See Also:

Redis Documentation: SETRANGE

size

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

Get the length of the value stored at key.

Parameters:

key - must not be null.

See Also:

Redis Documentation: STRLEN

setBit

reactor.core.publisher.Mono<Boolean> setBit(K key,
                                            long offset,
                                            boolean value)

Sets the bit at offset in value stored at key.

Parameters:

key - must not be null.

offset -

value -

See Also:

Redis Documentation: SETBIT

getBit

reactor.core.publisher.Mono<Boolean> getBit(K key,
                                            long offset)

« Get the bit value at offset of value at key.

Parameters:

key - must not be null.

offset -

See Also:

Redis Documentation: GETBIT

bitField

reactor.core.publisher.Mono<List<Long>> bitField(K key,
                                                 BitFieldSubCommands command)

Get / Manipulate specific integer fields of varying bit widths and arbitrary non (necessary) aligned offset stored at a given key.

Parameters:

key - must not be null.

command - must not be null.

Returns:

Since:

2.1

delete

reactor.core.publisher.Mono<Boolean> delete(K key)

Removes the given key.

Parameters:

key - must not be null.