org.redisson

Class RedissonBucket<V>

java.lang.Object

org.redisson.RedissonObject

org.redisson.RedissonBucket<V>

Type Parameters:

V - value type

All Implemented Interfaces:

RBucket<V>, RBucketAsync<V>, RExpirable, RExpirableAsync, RObject, RObjectAsync

Direct Known Subclasses:

RedissonBinaryStream, RedissonTransactionalBucket

public class RedissonBucket<V>
extends RedissonObject
implements RBucket<V>

Author:

Nikita Koksharov

Field Summary

Fields inherited from class org.redisson.RedissonObject

codec, commandExecutor, name

Constructor Summary

Constructors

Constructor and Description
RedissonBucket(Codec codec, CommandAsyncExecutor connectionManager, String name)
RedissonBucket(CommandAsyncExecutor connectionManager, String name)

Method Summary

Modifier and Type	Method and Description
int	addListener(ObjectListener listener) Adds object event listener
RFuture<Integer>	addListenerAsync(ObjectListener listener) Adds object event listener
boolean	clearExpire() Clear an expire timeout or expire date for object.
RFuture<Boolean>	clearExpireAsync() Clear an expire timeout or expire date for object in async mode.
protected RFuture<Boolean>	clearExpireAsync(String... keys)
boolean	compareAndSet(V expect, V update) Atomically sets the value to the given updated value only if serialized state of the current value equals to serialized state of the expected value.
RFuture<Boolean>	compareAndSetAsync(V expect, V update) Atomically sets the value to the given updated value only if serialized state of the current value equals to serialized state of the expected value.
boolean	expire(Instant instant) Set an expire date for object.
boolean	expire(long timeToLive, TimeUnit timeUnit) Set a timeout for object.
RFuture<Boolean>	expireAsync(Instant instant) Set an expire date for object.
RFuture<Boolean>	expireAsync(long timeToLive, TimeUnit timeUnit) Set a timeout for object in async mode.
protected RFuture<Boolean>	expireAsync(long timeToLive, TimeUnit timeUnit, String... keys)
boolean	expireAt(Date timestamp) Use RExpirable.expire(Instant) instead
boolean	expireAt(long timestamp) Use RExpirable.expire(Instant) instead
RFuture<Boolean>	expireAtAsync(Date timestamp) Use RExpirableAsync.expireAsync(Instant) instead
RFuture<Boolean>	expireAtAsync(long timestamp) Use RExpirableAsync.expireAsync(Instant) instead
protected RFuture<Boolean>	expireAtAsync(long timestamp, String... keys)
V	get() Retrieves element stored in the holder.
V	getAndDelete() Retrieves element in the holder and removes it.
RFuture<V>	getAndDeleteAsync() Retrieves element in the holder and removes it.
V	getAndSet(V newValue) Retrieves current element in the holder and replaces it with newValue.
V	getAndSet(V value, long timeToLive, TimeUnit timeUnit) Retrieves current element in the holder and replaces it with newValue with defined timeToLive interval.
RFuture<V>	getAndSetAsync(V newValue) Retrieves current element in the holder and replaces it with newValue.
RFuture<V>	getAndSetAsync(V value, long timeToLive, TimeUnit timeUnit) Retrieves current element in the holder and replaces it with newValue with defined timeToLive interval.
RFuture<V>	getAsync() Retrieves element stored in the holder.
long	remainTimeToLive() Remaining time to live of Redisson object that has a timeout
RFuture<Long>	remainTimeToLiveAsync() Remaining time to live of Redisson object that has a timeout
void	removeListener(int listenerId) Removes object event listener
RFuture<Void>	removeListenerAsync(int listenerId) Removes object event listener
void	set(V value) Stores element into the holder.
void	set(V value, long timeToLive, TimeUnit timeUnit) Stores element into the holder with defined timeToLive interval.
void	setAndKeepTTL(V value) Set value and keep existing TTL.
RFuture<Void>	setAndKeepTTLAsync(V value) Set value and keep existing TTL.
RFuture<Void>	setAsync(V value) Stores element into the holder.
RFuture<Void>	setAsync(V value, long timeToLive, TimeUnit timeUnit) Stores element into the holder with defined timeToLive interval.
boolean	setIfExists(V value) Sets value only if it's already exists.
boolean	setIfExists(V value, long timeToLive, TimeUnit timeUnit) Sets value only if it's already exists.
RFuture<Boolean>	setIfExistsAsync(V value) Sets value only if it's already exists.
RFuture<Boolean>	setIfExistsAsync(V value, long timeToLive, TimeUnit timeUnit) Sets value only if it's already exists.
long	size() Returns size of object in bytes.
RFuture<Long>	sizeAsync() Returns size of object in bytes
boolean	trySet(V value) Tries to set element atomically into empty holder.
boolean	trySet(V value, long timeToLive, TimeUnit timeUnit) Tries to set element atomically into empty holder with defined timeToLive interval.
RFuture<Boolean>	trySetAsync(V value) Tries to set element atomically into empty holder.
RFuture<Boolean>	trySetAsync(V value, long timeToLive, TimeUnit timeUnit) Tries to set element atomically into empty holder with defined timeToLive interval.

Methods inherited from class org.redisson.RedissonObject

addListener, addListenerAsync, copy, copyAsync, delete, deleteAsync, deleteAsync, dump, dumpAsync, encode, encode, encode, encode, encodeMapKey, encodeMapKeys, encodeMapValue, encodeMapValues, get, getCodec, getIdleTime, getIdleTimeAsync, getLockByMapKey, getLockByValue, getName, getRawName, getRawName, isExists, isExistsAsync, migrate, migrateAsync, move, moveAsync, prefixName, removeListenersAsync, rename, renameAsync, renamenx, renamenxAsync, restore, restore, restoreAndReplace, restoreAndReplace, restoreAndReplaceAsync, restoreAndReplaceAsync, restoreAsync, restoreAsync, setName, sizeInMemory, sizeInMemoryAsync, sizeInMemoryAsync, sizeInMemoryAsync, suffixName, toSeconds, toStream, touch, touchAsync, unlink, unlinkAsync

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface org.redisson.api.RExpirable

clearExpire, expire, expire, expireAt, expireAt, remainTimeToLive

Methods inherited from interface org.redisson.api.RObject

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

Methods inherited from interface org.redisson.api.RExpirableAsync

clearExpireAsync, expireAsync, expireAsync, expireAtAsync, expireAtAsync, remainTimeToLiveAsync

Methods inherited from interface org.redisson.api.RObjectAsync

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

Constructor Detail

RedissonBucket

public RedissonBucket(CommandAsyncExecutor connectionManager,
                      String name)

RedissonBucket

public RedissonBucket(Codec codec,
                      CommandAsyncExecutor connectionManager,
                      String name)

Method Detail

compareAndSet

public boolean compareAndSet(V expect,
                             V update)

Description copied from interface: RBucket

Atomically sets the value to the given updated value only if serialized state of the current value equals to serialized state of the expected value.

Specified by:

compareAndSet in interface RBucket<V>

Parameters:

expect - the expected value

update - the new value

Returns:

true if successful; or false if the actual value was not equal to the expected value.

compareAndSetAsync

public RFuture<Boolean> compareAndSetAsync(V expect,
                                           V update)

Description copied from interface: RBucketAsync

Atomically sets the value to the given updated value only if serialized state of the current value equals to serialized state of the expected value.

Specified by:

compareAndSetAsync in interface RBucketAsync<V>

Parameters:

expect - the expected value

update - the new value

Returns:

true if successful; or false if the actual value was not equal to the expected value.

getAndSet

public V getAndSet(V newValue)

Description copied from interface: RBucket

Retrieves current element in the holder and replaces it with newValue.

Specified by:

getAndSet in interface RBucket<V>

Parameters:

newValue - - value to set

Returns:

previous value

getAndSetAsync

public RFuture<V> getAndSetAsync(V newValue)

Description copied from interface: RBucketAsync

Retrieves current element in the holder and replaces it with newValue.

Specified by:

getAndSetAsync in interface RBucketAsync<V>

Parameters:

newValue - - value to set

Returns:

previous value

get

public V get()

Description copied from interface: RBucket

Retrieves element stored in the holder.

Specified by:

get in interface RBucket<V>

Returns:

element

getAsync

public RFuture<V> getAsync()

Description copied from interface: RBucketAsync

Retrieves element stored in the holder.

Specified by:

getAsync in interface RBucketAsync<V>

Returns:

element

getAndDelete

public V getAndDelete()

Description copied from interface: RBucket

Retrieves element in the holder and removes it.

Specified by:

getAndDelete in interface RBucket<V>

Returns:

element

getAndDeleteAsync

public RFuture<V> getAndDeleteAsync()

Description copied from interface: RBucketAsync

Retrieves element in the holder and removes it.

Specified by:

getAndDeleteAsync in interface RBucketAsync<V>

Returns:

element

size

public long size()

Description copied from interface: RBucket

Returns size of object in bytes.

Specified by:

size in interface RBucket<V>

Returns:

object size

sizeAsync

public RFuture<Long> sizeAsync()

Description copied from interface: RBucketAsync

Returns size of object in bytes

Specified by:

sizeAsync in interface RBucketAsync<V>

Returns:

object size

set

public void set(V value)

Description copied from interface: RBucket

Stores element into the holder.

Specified by:

set in interface RBucket<V>

Parameters:

value - - value to set

setAsync

public RFuture<Void> setAsync(V value)

Description copied from interface: RBucketAsync

Stores element into the holder.

Specified by:

setAsync in interface RBucketAsync<V>

Parameters:

value - - value to set

Returns:

void

set

public void set(V value,
                long timeToLive,
                TimeUnit timeUnit)

Description copied from interface: RBucket

Stores element into the holder with defined timeToLive interval.

Specified by:

set in interface RBucket<V>

Parameters:

value - - value to set

timeToLive - - time to live interval

timeUnit - - unit of time to live interval

setAsync

public RFuture<Void> setAsync(V value,
                              long timeToLive,
                              TimeUnit timeUnit)

Description copied from interface: RBucketAsync

Stores element into the holder with defined timeToLive interval.

Specified by:

setAsync in interface RBucketAsync<V>

Parameters:

value - - value to set

timeToLive - - time to live interval

timeUnit - - unit of time to live interval

Returns:

void

trySetAsync

public RFuture<Boolean> trySetAsync(V value)

Description copied from interface: RBucketAsync

Tries to set element atomically into empty holder.

Specified by:

trySetAsync in interface RBucketAsync<V>

Parameters:

value - - value to set

Returns:

true if successful, or false if element was already set

trySetAsync

public RFuture<Boolean> trySetAsync(V value,
                                    long timeToLive,
                                    TimeUnit timeUnit)

Description copied from interface: RBucketAsync

Tries to set element atomically into empty holder with defined timeToLive interval.

Specified by:

trySetAsync in interface RBucketAsync<V>

Parameters:

value - - value to set

timeToLive - - time to live interval

timeUnit - - unit of time to live interval

Returns:

true if successful, or false if element was already set

trySet

public boolean trySet(V value,
                      long timeToLive,
                      TimeUnit timeUnit)

Description copied from interface: RBucket

Tries to set element atomically into empty holder with defined timeToLive interval.

Specified by:

trySet in interface RBucket<V>

Parameters:

value - - value to set

timeToLive - - time to live interval

timeUnit - - unit of time to live interval

Returns:

true if successful, or false if element was already set

trySet

public boolean trySet(V value)

Description copied from interface: RBucket

Tries to set element atomically into empty holder.

Specified by:

trySet in interface RBucket<V>

Parameters:

value - - value to set

Returns:

true if successful, or false if element was already set

setIfExists

public boolean setIfExists(V value)

Description copied from interface: RBucket

Sets value only if it's already exists.

Specified by:

setIfExists in interface RBucket<V>

Parameters:

value - - value to set

Returns:

true if successful, or false if element wasn't set

setIfExistsAsync

public RFuture<Boolean> setIfExistsAsync(V value)

Description copied from interface: RBucketAsync

Sets value only if it's already exists.

Specified by:

setIfExistsAsync in interface RBucketAsync<V>

Parameters:

value - - value to set

Returns:

true if successful, or false if element wasn't set

setAndKeepTTL

public void setAndKeepTTL(V value)

Description copied from interface: RBucket

Set value and keep existing TTL.

Requires Redis 6.0.0 and higher.

Specified by:

setAndKeepTTL in interface RBucket<V>

Parameters:

value - - value to set

setAndKeepTTLAsync

public RFuture<Void> setAndKeepTTLAsync(V value)

Description copied from interface: RBucketAsync

Set value and keep existing TTL.

Requires Redis 6.0.0 and higher.

Specified by:

setAndKeepTTLAsync in interface RBucketAsync<V>

Parameters:

value - - value to set

Returns:

void

setIfExists

public boolean setIfExists(V value,
                           long timeToLive,
                           TimeUnit timeUnit)

Description copied from interface: RBucket

Sets value only if it's already exists.

Specified by:

setIfExists in interface RBucket<V>

Parameters:

value - - value to set

timeToLive - - time to live interval

timeUnit - - unit of time to live interval

Returns:

true if successful, or false if element wasn't set

setIfExistsAsync

public RFuture<Boolean> setIfExistsAsync(V value,
                                         long timeToLive,
                                         TimeUnit timeUnit)

Description copied from interface: RBucketAsync

Sets value only if it's already exists.

Specified by:

setIfExistsAsync in interface RBucketAsync<V>

Parameters:

value - - value to set

timeToLive - - time to live interval

timeUnit - - unit of time to live interval

Returns:

true if successful, or false if element wasn't set

getAndSetAsync

public RFuture<V> getAndSetAsync(V value,
                                 long timeToLive,
                                 TimeUnit timeUnit)

Description copied from interface: RBucketAsync

Retrieves current element in the holder and replaces it with newValue with defined timeToLive interval.

Specified by:

getAndSetAsync in interface RBucketAsync<V>

Parameters:

value - - value to set

timeToLive - - time to live interval

timeUnit - - unit of time to live interval

Returns:

previous value

getAndSet

public V getAndSet(V value,
                   long timeToLive,
                   TimeUnit timeUnit)

Description copied from interface: RBucket

Retrieves current element in the holder and replaces it with newValue with defined timeToLive interval.

Specified by:

getAndSet in interface RBucket<V>

Parameters:

value - - value to set

timeToLive - - time to live interval

timeUnit - - unit of time to live interval

Returns:

previous value

addListener

public int addListener(ObjectListener listener)

Description copied from interface: RObject

Adds object event listener

Specified by:

addListener in interface RBucket<V>

Specified by:

addListener in interface RObject

Overrides:

addListener in class RedissonObject

Parameters:

listener - - object event listener

Returns:

listener id

See Also:

ExpiredObjectListener, DeletedObjectListener

addListenerAsync

public RFuture<Integer> addListenerAsync(ObjectListener listener)

Description copied from interface: RObjectAsync

Adds object event listener

Specified by:

addListenerAsync in interface RBucketAsync<V>

Specified by:

addListenerAsync in interface RObjectAsync

Overrides:

addListenerAsync in class RedissonObject

Parameters:

listener - - object event listener

Returns:

listener id

See Also:

ExpiredObjectListener, DeletedObjectListener

removeListener

public void removeListener(int listenerId)

Description copied from interface: RObject

Removes object event listener

Specified by:

removeListener in interface RObject

Overrides:

removeListener in class RedissonObject

Parameters:

listenerId - - listener id

removeListenerAsync

public RFuture<Void> removeListenerAsync(int listenerId)

Description copied from interface: RObjectAsync

Removes object event listener

Specified by:

removeListenerAsync in interface RObjectAsync

Overrides:

removeListenerAsync in class RedissonObject

Parameters:

listenerId - - listener id

expire

public boolean expire(long timeToLive,
                      TimeUnit timeUnit)

Description copied from interface: RExpirable

Set a timeout for object. After the timeout has expired, the key will automatically be deleted.

Specified by:

expire in interface RExpirable

Parameters:

timeToLive - - timeout before object will be deleted

timeUnit - - timeout time unit

Returns:

true if the timeout was set and false if not

expireAsync

public RFuture<Boolean> expireAsync(long timeToLive,
                                    TimeUnit timeUnit)

Description copied from interface: RExpirableAsync

Set a timeout for object in async mode. After the timeout has expired, the key will automatically be deleted.

Specified by:

expireAsync in interface RExpirableAsync

Parameters:

timeToLive - - timeout before object will be deleted

timeUnit - - timeout time unit

Returns:

true if the timeout was set and false if not

expireAt

public boolean expireAt(long timestamp)

Description copied from interface: RExpirable

Use RExpirable.expire(Instant) instead

Specified by:

expireAt in interface RExpirable

Parameters:

timestamp - - expire date in milliseconds (Unix timestamp)

Returns:

true if the timeout was set and false if not

expireAtAsync

public RFuture<Boolean> expireAtAsync(long timestamp)

Description copied from interface: RExpirableAsync

Use RExpirableAsync.expireAsync(Instant) instead

Specified by:

expireAtAsync in interface RExpirableAsync

Parameters:

timestamp - - expire date in milliseconds (Unix timestamp)

Returns:

true if the timeout was set and false if not

expire

public boolean expire(Instant instant)

Description copied from interface: RExpirable

Set an expire date for object. When expire date comes the key will automatically be deleted.

Specified by:

expire in interface RExpirable

Parameters:

instant - - expire date

Returns:

true if the timeout was set and false if not

expireAsync

public RFuture<Boolean> expireAsync(Instant instant)

Description copied from interface: RExpirableAsync

Set an expire date for object. When expire date comes the key will automatically be deleted.

Specified by:

expireAsync in interface RExpirableAsync

Parameters:

instant - - expire date

Returns:

true if the timeout was set and false if not

expireAt

public boolean expireAt(Date timestamp)

Description copied from interface: RExpirable

Use RExpirable.expire(Instant) instead

Specified by:

expireAt in interface RExpirable

Parameters:

timestamp - - expire date

Returns:

true if the timeout was set and false if not

expireAtAsync

public RFuture<Boolean> expireAtAsync(Date timestamp)

Description copied from interface: RExpirableAsync

Use RExpirableAsync.expireAsync(Instant) instead

Specified by:

expireAtAsync in interface RExpirableAsync

Parameters:

timestamp - - expire date

Returns:

true if the timeout was set and false if not

clearExpire

public boolean clearExpire()

Description copied from interface: RExpirable

Clear an expire timeout or expire date for object.

Specified by:

clearExpire in interface RExpirable

Returns:

true if timeout was removed false if object does not exist or does not have an associated timeout

clearExpireAsync

public RFuture<Boolean> clearExpireAsync()

Description copied from interface: RExpirableAsync

Clear an expire timeout or expire date for object in async mode. Object will not be deleted.

Specified by:

clearExpireAsync in interface RExpirableAsync

Returns:

true if the timeout was cleared and false if not

remainTimeToLive

public long remainTimeToLive()

Description copied from interface: RExpirable

Remaining time to live of Redisson object that has a timeout

Specified by:

remainTimeToLive in interface RExpirable

Returns:

time in milliseconds -2 if the key does not exist. -1 if the key exists but has no associated expire.

remainTimeToLiveAsync

public RFuture<Long> remainTimeToLiveAsync()

Description copied from interface: RExpirableAsync

Remaining time to live of Redisson object that has a timeout

Specified by:

remainTimeToLiveAsync in interface RExpirableAsync

Returns:

time in milliseconds -2 if the key does not exist. -1 if the key exists but has no associated expire.

expireAsync

protected RFuture<Boolean> expireAsync(long timeToLive,
                                       TimeUnit timeUnit,
                                       String... keys)

expireAtAsync

protected RFuture<Boolean> expireAtAsync(long timestamp,
                                         String... keys)

clearExpireAsync

protected RFuture<Boolean> clearExpireAsync(String... keys)