Package org.redisson

Class RedissonIdGenerator

java.lang.Object

org.redisson.RedissonObject

org.redisson.RedissonIdGenerator

All Implemented Interfaces:

RExpirable, RExpirableAsync, RIdGenerator, RIdGeneratorAsync, RObject, RObjectAsync

public class RedissonIdGenerator
extends RedissonObject
implements RIdGenerator

Author:

Nikita Koksharov

Field Summary

Fields inherited from class org.redisson.RedissonObject

codec, commandExecutor, name

Method Summary

Modifier and Type	Method	Description
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)
RFuture<Boolean>	copyAsync(List<Object> keys, int database, boolean replace)
RFuture<Boolean>	deleteAsync()	Delete object in async mode
boolean	expire(long timeToLive, TimeUnit timeUnit)	Use RExpirable.expire(Duration) instead
boolean	expire(Duration duration)	Sets a timeout for this object.
boolean	expire(Instant instant)	Sets an expiration date for this object.
RFuture<Boolean>	expireAsync(long timeToLive, TimeUnit timeUnit)	Use RExpirableAsync.expireAsync(Duration) instead
RFuture<Boolean>	expireAsync(long timeToLive, TimeUnit timeUnit, String param, String... keys)
RFuture<Boolean>	expireAsync(Duration duration)	Set a timeout for object.
RFuture<Boolean>	expireAsync(Instant instant)	Set an expire date for object.
boolean	expireAt(long timestamp)	Use RExpirable.expire(Instant) instead
boolean	expireAt(Date timestamp)	Use RExpirable.expire(Instant) instead
RFuture<Boolean>	expireAtAsync(long timestamp)	Use RExpirableAsync.expireAsync(Instant) instead
protected RFuture<Boolean>	expireAtAsync(long timestamp, String param, String... keys)
RFuture<Boolean>	expireAtAsync(Date timestamp)	Use RExpirableAsync.expireAsync(Instant) instead
boolean	expireIfGreater(Duration duration)	Sets a timeout for this object only if it's greater than timeout set before.
boolean	expireIfGreater(Instant time)	Sets an expiration date for this object only if it's greater than expiration date set before.
RFuture<Boolean>	expireIfGreaterAsync(Duration duration)	Sets a timeout for this object only if it's greater than timeout set before.
RFuture<Boolean>	expireIfGreaterAsync(Instant time)	Sets an expiration date for this object only if it's greater than expiration date set before.
boolean	expireIfLess(Duration duration)	Sets a timeout for this object only if it's less than timeout set before.
boolean	expireIfLess(Instant time)	Sets an expiration date for this object only if it's less than expiration date set before.
RFuture<Boolean>	expireIfLessAsync(Duration duration)	Sets a timeout for this object only if it's less than timeout set before.
RFuture<Boolean>	expireIfLessAsync(Instant time)	Sets an expiration date for this object only if it's less than expiration date set before.
boolean	expireIfNotSet(Duration duration)	Sets a timeout for this object only if it hasn't been set before.
boolean	expireIfNotSet(Instant time)	Sets an expiration date for this object only if it hasn't been set before.
RFuture<Boolean>	expireIfNotSetAsync(Duration duration)	Sets a timeout for this object only if it hasn't been set before.
RFuture<Boolean>	expireIfNotSetAsync(Instant time)	Sets an expiration date for this object only if it hasn't been set before.
boolean	expireIfSet(Duration duration)	Sets a timeout for this object only if it has been already set.
boolean	expireIfSet(Instant time)	Sets an expiration date for this object only if it has been already set.
RFuture<Boolean>	expireIfSetAsync(Duration duration)	Sets a timeout for this object only if it has been already set.
RFuture<Boolean>	expireIfSetAsync(Instant time)	Sets an expiration date for this object only if it has been already set.
long	getExpireTime()	Returns expiration time of the object as the absolute Unix expiration timestamp in milliseconds.
RFuture<Long>	getExpireTimeAsync()	Returns expiration time of the object as the absolute Unix expiration timestamp in milliseconds.
long	nextId()	Returns next unique number but not monotonically increased
RFuture<Long>	nextIdAsync()	Returns next unique number but not monotonically increased
long	remainTimeToLive()	Returns remaining time of the object in milliseconds.
RFuture<Long>	remainTimeToLiveAsync()	Returns remaining time of the object in milliseconds.
RFuture<Void>	renameAsync(String nn)	Rename current object key to newName in async mode
RFuture<Boolean>	renamenxAsync(String nn)	Rename current object key to newName in async mode only if new key is not exists
RFuture<Long>	sizeInMemoryAsync()	Returns bytes amount used by object in Redis memory.
boolean	tryInit(long value, long allocationSize)	Initializes Id generator params.
RFuture<Boolean>	tryInitAsync(long value, long allocationSize)	Initializes Id generator params.

Methods inherited from class org.redisson.RedissonObject

addListener, addListener, addListenerAsync, addListenerAsync, addListenerId, addTrackingListener, addTrackingListenerAsync, checkNotBatch, copy, copy, copy, copyAndReplace, copyAndReplace, copyAndReplaceAsync, copyAndReplaceAsync, copyAsync, copyAsync, copyAsync, copyAsync, delete, deleteAsync, dump, dumpAsync, encode, encode, encode, encode, encodeMapKey, encodeMapKey, encodeMapKeys, encodeMapValue, encodeMapValues, get, getCodec, getIdleTime, getIdleTimeAsync, getListenerIdsByName, getLockByMapKey, getLockByValue, getName, getNameByListenerId, getRawName, getRawName, getServiceManager, getSubscribeService, isExists, isExistsAsync, map, mapName, migrate, migrateAsync, move, moveAsync, prefixName, removeListener, removeListener, removeListenerAsync, removeListenerAsync, removeListenerAsync, removeListenerId, removeListeners, removeTrackingListener, removeTrackingListenerAsync, rename, renameAsync, renameAsync, renamenx, renamenxAsync, renamenxAsync, restore, restore, restoreAndReplace, restoreAndReplace, restoreAndReplaceAsync, restoreAndReplaceAsync, restoreAsync, restoreAsync, setName, sizeInMemory, 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, expire, expireAt, expireAt, expireIfGreater, expireIfGreater, expireIfLess, expireIfLess, expireIfNotSet, expireIfNotSet, expireIfSet, expireIfSet, getExpireTime, remainTimeToLive

Methods inherited from interface org.redisson.api.RExpirableAsync

expireAsync, expireAsync, expireAsync, expireAtAsync, expireAtAsync, expireIfGreaterAsync, expireIfGreaterAsync, expireIfLessAsync, expireIfLessAsync, expireIfNotSetAsync, expireIfNotSetAsync, expireIfSetAsync, expireIfSetAsync, getExpireTimeAsync, remainTimeToLiveAsync

Methods inherited from interface org.redisson.api.RObject

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

Methods inherited from interface org.redisson.api.RObjectAsync

addListenerAsync, copyAndReplaceAsync, copyAndReplaceAsync, copyAsync, copyAsync, copyAsync, dumpAsync, getIdleTimeAsync, isExistsAsync, migrateAsync, moveAsync, removeListenerAsync, restoreAndReplaceAsync, restoreAndReplaceAsync, restoreAsync, restoreAsync, touchAsync, unlinkAsync

Method Details

tryInit

public boolean tryInit(long value,
 long allocationSize)

Description copied from interface: RIdGenerator

Initializes Id generator params.

Specified by:

tryInit in interface RIdGenerator

Parameters:

value - - initial value

allocationSize - - values range allocation size

Returns:

true if Id generator initialized false if Id generator already initialized

nextId

public long nextId()

Description copied from interface: RIdGenerator

Returns next unique number but not monotonically increased

Specified by:

nextId in interface RIdGenerator

Returns:

number

tryInitAsync

public RFuture<Boolean> tryInitAsync(long value,
 long allocationSize)

Description copied from interface: RIdGeneratorAsync

Initializes Id generator params.

Specified by:

tryInitAsync in interface RIdGeneratorAsync

Parameters:

value - - initial value

allocationSize - - values range allocation size

Returns:

true if Id generator initialized false if Id generator already initialized

nextIdAsync

public RFuture<Long> nextIdAsync()

Description copied from interface: RIdGeneratorAsync

Returns next unique number but not monotonically increased

Specified by:

nextIdAsync in interface RIdGeneratorAsync

Returns:

number

deleteAsync

public RFuture<Boolean> deleteAsync()

Description copied from interface: RObjectAsync

Delete object in async mode

Specified by:

deleteAsync in interface RObjectAsync

Overrides:

deleteAsync in class RedissonObject

Returns:

true if object was deleted false if not

sizeInMemoryAsync

public RFuture<Long> sizeInMemoryAsync()

Description copied from interface: RObjectAsync

Returns bytes amount used by object in Redis memory.

Specified by:

sizeInMemoryAsync in interface RObjectAsync

Overrides:

sizeInMemoryAsync in class RedissonObject

Returns:

size in bytes

copyAsync

public RFuture<Boolean> copyAsync(List<Object> keys,
 int database,
 boolean replace)

Overrides:

copyAsync in class RedissonObject

renameAsync

public RFuture<Void> renameAsync(String nn)

Description copied from interface: RObjectAsync

Rename current object key to newName in async mode

Specified by:

renameAsync in interface RObjectAsync

Overrides:

renameAsync in class RedissonObject

Parameters:

nn - - new name of object

Returns:

void

renamenxAsync

public RFuture<Boolean> renamenxAsync(String nn)

Description copied from interface: RObjectAsync

Rename current object key to newName in async mode only if new key is not exists

Specified by:

renamenxAsync in interface RObjectAsync

Overrides:

renamenxAsync in class RedissonObject

Parameters:

nn - - new name of object

Returns:

true if object has been renamed successfully and false otherwise

expireAsync

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

expireAtAsync

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

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

expire

public boolean expire(long timeToLive,
 TimeUnit timeUnit)

Description copied from interface: RExpirable

Use RExpirable.expire(Duration) instead

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

Use RExpirableAsync.expireAsync(Duration) instead

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

Sets an expiration date for this 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

expireIfSet

public boolean expireIfSet(Instant time)

Description copied from interface: RExpirable

Sets an expiration date for this object only if it has been already set. When expire date comes the object will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfSet in interface RExpirable

Parameters:

time - expire date

Returns:

true if the timeout was set and false if not

expireIfSetAsync

public RFuture<Boolean> expireIfSetAsync(Instant time)

Description copied from interface: RExpirableAsync

Sets an expiration date for this object only if it has been already set. When expire date comes the object will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfSetAsync in interface RExpirableAsync

Parameters:

time - expire date

Returns:

true if the timeout was set and false if not

expireIfNotSet

public boolean expireIfNotSet(Instant time)

Description copied from interface: RExpirable

Sets an expiration date for this object only if it hasn't been set before. When expire date comes the object will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfNotSet in interface RExpirable

Parameters:

time - expire date

Returns:

true if the timeout was set and false if not

expireIfNotSetAsync

public RFuture<Boolean> expireIfNotSetAsync(Instant time)

Description copied from interface: RExpirableAsync

Sets an expiration date for this object only if it hasn't been set before. When expire date comes the object will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfNotSetAsync in interface RExpirableAsync

Parameters:

time - expire date

Returns:

true if the timeout was set and false if not

expireIfGreater

public boolean expireIfGreater(Instant time)

Description copied from interface: RExpirable

Sets an expiration date for this object only if it's greater than expiration date set before. When expire date comes the object will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfGreater in interface RExpirable

Parameters:

time - expire date

Returns:

true if the timeout was set and false if not

expireIfGreaterAsync

public RFuture<Boolean> expireIfGreaterAsync(Instant time)

Description copied from interface: RExpirableAsync

Sets an expiration date for this object only if it's greater than expiration date set before. When expire date comes the object will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfGreaterAsync in interface RExpirableAsync

Parameters:

time - expire date

Returns:

true if the timeout was set and false if not

expireIfLess

public boolean expireIfLess(Instant time)

Description copied from interface: RExpirable

Sets an expiration date for this object only if it's less than expiration date set before. When expire date comes the object will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfLess in interface RExpirable

Parameters:

time - expire date

Returns:

true if the timeout was set and false if not

expireIfLessAsync

public RFuture<Boolean> expireIfLessAsync(Instant time)

Description copied from interface: RExpirableAsync

Sets an expiration date for this object only if it's less than expiration date set before. When expire date comes the object will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfLessAsync in interface RExpirableAsync

Parameters:

time - 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

expire

public boolean expire(Duration duration)

Description copied from interface: RExpirable

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

Specified by:

expire in interface RExpirable

Parameters:

duration - timeout before object will be deleted

Returns:

true if the timeout was set and false if not

expireAsync

public RFuture<Boolean> expireAsync(Duration duration)

Description copied from interface: RExpirableAsync

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

Specified by:

expireAsync in interface RExpirableAsync

Parameters:

duration - timeout before object will be deleted

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

expireIfSet

public boolean expireIfSet(Duration duration)

Description copied from interface: RExpirable

Sets a timeout for this object only if it has been already set. After the timeout has expired, the key will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfSet in interface RExpirable

Parameters:

duration - timeout before object will be deleted

Returns:

true if the timeout was set and false if not

expireIfSetAsync

public RFuture<Boolean> expireIfSetAsync(Duration duration)

Description copied from interface: RExpirableAsync

Sets a timeout for this object only if it has been already set. After the timeout has expired, the key will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfSetAsync in interface RExpirableAsync

Parameters:

duration - timeout before object will be deleted

Returns:

true if the timeout was set and false if not

expireIfNotSet

public boolean expireIfNotSet(Duration duration)

Description copied from interface: RExpirable

Sets a timeout for this object only if it hasn't been set before. After the timeout has expired, the key will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfNotSet in interface RExpirable

Parameters:

duration - timeout before object will be deleted

Returns:

true if the timeout was set and false if not

expireIfNotSetAsync

public RFuture<Boolean> expireIfNotSetAsync(Duration duration)

Description copied from interface: RExpirableAsync

Sets a timeout for this object only if it hasn't been set before. After the timeout has expired, the key will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfNotSetAsync in interface RExpirableAsync

Parameters:

duration - timeout before object will be deleted

Returns:

true if the timeout was set and false if not

expireIfGreater

public boolean expireIfGreater(Duration duration)

Description copied from interface: RExpirable

Sets a timeout for this object only if it's greater than timeout set before. After the timeout has expired, the key will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfGreater in interface RExpirable

Parameters:

duration - timeout before object will be deleted

Returns:

true if the timeout was set and false if not

expireIfGreaterAsync

public RFuture<Boolean> expireIfGreaterAsync(Duration duration)

Description copied from interface: RExpirableAsync

Sets a timeout for this object only if it's greater than timeout set before. After the timeout has expired, the key will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfGreaterAsync in interface RExpirableAsync

Parameters:

duration - timeout before object will be deleted

Returns:

true if the timeout was set and false if not

expireIfLess

public boolean expireIfLess(Duration duration)

Description copied from interface: RExpirable

Sets a timeout for this object only if it's less than timeout set before. After the timeout has expired, the key will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfLess in interface RExpirable

Parameters:

duration - timeout before object will be deleted

Returns:

true if the timeout was set and false if not

expireIfLessAsync

public RFuture<Boolean> expireIfLessAsync(Duration duration)

Description copied from interface: RExpirableAsync

Sets a timeout for this object only if it's less than timeout set before. After the timeout has expired, the key will automatically be deleted.

Requires Redis 7.0.0 and higher.

Specified by:

expireIfLessAsync in interface RExpirableAsync

Parameters:

duration - timeout before object will be deleted

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

remainTimeToLive

public long remainTimeToLive()

Description copied from interface: RExpirable

Returns remaining time of the object in milliseconds.

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

Returns remaining time of the object in milliseconds.

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.

getExpireTime

public long getExpireTime()

Description copied from interface: RExpirable

Returns expiration time of the object as the absolute Unix expiration timestamp in milliseconds.

Requires Redis 7.0.0 and higher.

Specified by:

getExpireTime in interface RExpirable

Returns:

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

getExpireTimeAsync

public RFuture<Long> getExpireTimeAsync()

Description copied from interface: RExpirableAsync

Returns expiration time of the object as the absolute Unix expiration timestamp in milliseconds.

Requires Redis 7.0.0 and higher.

Specified by:

getExpireTimeAsync in interface RExpirableAsync

Returns:

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

clearExpireAsync

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