Package org.redisson
Class RedissonLock
- java.lang.Object
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- org.redisson.RedissonObject
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- org.redisson.RedissonBaseLock
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- org.redisson.RedissonLock
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- All Implemented Interfaces:
Lock
,RExpirable
,RExpirableAsync
,RLock
,RLockAsync
,RObject
,RObjectAsync
- Direct Known Subclasses:
RedissonFairLock
,RedissonReadLock
,RedissonTransactionalLock
,RedissonWriteLock
public class RedissonLock extends RedissonBaseLock
Distributed implementation ofLock
Implements reentrant lock.
Lock will be removed automatically if client disconnects.Implements a non-fair locking so doesn't guarantees an acquire order.
- Author:
- Nikita Koksharov
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Nested Class Summary
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Nested classes/interfaces inherited from class org.redisson.RedissonBaseLock
RedissonBaseLock.ExpirationEntry
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Field Summary
Fields Modifier and Type Field Description protected long
internalLockLeaseTime
protected LockPubSub
pubSub
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Fields inherited from class org.redisson.RedissonObject
codec, name
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Constructor Summary
Constructors Constructor Description RedissonLock(CommandAsyncExecutor commandExecutor, String name)
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Method Summary
All Methods Instance Methods Concrete Methods 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)
boolean
expire(long timeToLive, TimeUnit timeUnit)
UseRExpirable.expire(Duration)
insteadboolean
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)
UseRExpirableAsync.expireAsync(Duration)
insteadprotected 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)
UseRExpirable.expire(Instant)
insteadboolean
expireAt(Date timestamp)
UseRExpirable.expire(Instant)
insteadRFuture<Boolean>
expireAtAsync(long timestamp)
UseRExpirableAsync.expireAsync(Instant)
insteadprotected RFuture<Boolean>
expireAtAsync(long timestamp, String param, String... keys)
RFuture<Boolean>
expireAtAsync(Date timestamp)
UseRExpirableAsync.expireAsync(Instant)
insteadboolean
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)
RFuture<Boolean>
expireIfGreaterAsync(Instant time)
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)
RFuture<Boolean>
expireIfLessAsync(Instant time)
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)
RFuture<Boolean>
expireIfNotSetAsync(Instant time)
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)
RFuture<Boolean>
expireIfSetAsync(Instant time)
boolean
forceUnlock()
Unlocks the lock independently of its stateRFuture<Boolean>
forceUnlockAsync()
Unlocks the lock independently of its statelong
getExpireTime()
Expiration time of Redisson object that has a timeoutRFuture<Long>
getExpireTimeAsync()
Expiration time of Redisson object that has a timeoutvoid
lock()
void
lock(long leaseTime, TimeUnit unit)
Acquires the lock with definedleaseTime
.RFuture<Void>
lockAsync()
Acquires the lock.RFuture<Void>
lockAsync(long currentThreadId)
Acquires the lock by thread with definedthreadId
.RFuture<Void>
lockAsync(long leaseTime, TimeUnit unit)
Acquires the lock with definedleaseTime
.RFuture<Void>
lockAsync(long leaseTime, TimeUnit unit, long currentThreadId)
Acquires the lock with definedleaseTime
andthreadId
.void
lockInterruptibly()
void
lockInterruptibly(long leaseTime, TimeUnit unit)
Acquires the lock with definedleaseTime
.long
remainTimeToLive()
Remaining time to live of Redisson object that has a timeoutRFuture<Long>
remainTimeToLiveAsync()
Remaining time to live of Redisson object that has a timeoutprotected CompletableFuture<RedissonLockEntry>
subscribe(long threadId)
boolean
tryLock()
boolean
tryLock(long waitTime, long leaseTime, TimeUnit unit)
Tries to acquire the lock with definedleaseTime
.boolean
tryLock(long waitTime, TimeUnit unit)
RFuture<Boolean>
tryLockAsync()
Tries to acquire the lock.RFuture<Boolean>
tryLockAsync(long threadId)
Tries to acquire the lock by thread with specifiedthreadId
.RFuture<Boolean>
tryLockAsync(long waitTime, long leaseTime, TimeUnit unit)
Tries to acquire the lock with definedleaseTime
.RFuture<Boolean>
tryLockAsync(long waitTime, long leaseTime, TimeUnit unit, long currentThreadId)
Tries to acquire the lock by thread with specifiedthreadId
andleaseTime
.RFuture<Boolean>
tryLockAsync(long waitTime, TimeUnit unit)
Tries to acquire the lock.void
unlock()
protected RFuture<Boolean>
unlockInnerAsync(long threadId)
protected void
unsubscribe(RedissonLockEntry entry, long threadId)
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Methods inherited from class org.redisson.RedissonBaseLock
acquireFailed, acquireFailedAsync, cancelExpirationRenewal, deleteAsync, evalWriteAsync, getEntryName, getHoldCount, getHoldCountAsync, getLockName, isHeldByCurrentThread, isHeldByThread, isLocked, isLockedAsync, newCondition, renewExpirationAsync, scheduleExpirationRenewal, trySuccessFalse, unlockAsync, unlockAsync
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Methods inherited from class org.redisson.RedissonObject
addListener, addListener, addListenerAsync, addListenerAsync, copy, copyAsync, delete, 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, removeListener, removeListenerAsync, rename, renameAsync, renamenx, renamenxAsync, restore, restore, restoreAndReplace, restoreAndReplace, restoreAndReplaceAsync, restoreAndReplaceAsync, restoreAsync, restoreAsync, setName, sizeInMemory, sizeInMemoryAsync, sizeInMemoryAsync, sizeInMemoryAsync, suffixName, toSeconds, toStream, touch, touchAsync, unlink, unlinkAsync
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface org.redisson.api.RLock
getName, remainTimeToLive
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Methods inherited from interface org.redisson.api.RLockAsync
remainTimeToLiveAsync
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Methods inherited from interface org.redisson.api.RObject
addListener, copy, delete, dump, getCodec, getIdleTime, getName, isExists, migrate, move, removeListener, rename, renamenx, restore, restore, restoreAndReplace, restoreAndReplace, sizeInMemory, touch, unlink
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Methods inherited from interface org.redisson.api.RObjectAsync
addListenerAsync, copyAsync, dumpAsync, getIdleTimeAsync, isExistsAsync, migrateAsync, moveAsync, removeListenerAsync, renameAsync, renamenxAsync, restoreAndReplaceAsync, restoreAndReplaceAsync, restoreAsync, restoreAsync, sizeInMemoryAsync, touchAsync, unlinkAsync
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Field Detail
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internalLockLeaseTime
protected long internalLockLeaseTime
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pubSub
protected final LockPubSub pubSub
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Constructor Detail
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RedissonLock
public RedissonLock(CommandAsyncExecutor commandExecutor, String name)
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Method Detail
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lock
public void lock()
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lock
public void lock(long leaseTime, TimeUnit unit)
Description copied from interface:RLock
Acquires the lock with definedleaseTime
. Waits if necessary until lock became available. Lock will be released automatically after definedleaseTime
interval.- Parameters:
leaseTime
- the maximum time to hold the lock after it's acquisition, if it hasn't already been released by invokingunlock
. If leaseTime is -1, hold the lock until explicitly unlocked.unit
- the time unit
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lockInterruptibly
public void lockInterruptibly() throws InterruptedException
- Throws:
InterruptedException
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lockInterruptibly
public void lockInterruptibly(long leaseTime, TimeUnit unit) throws InterruptedException
Description copied from interface:RLock
Acquires the lock with definedleaseTime
. Waits if necessary until lock became available. Lock will be released automatically after definedleaseTime
interval.- Parameters:
leaseTime
- the maximum time to hold the lock after it's acquisition, if it hasn't already been released by invokingunlock
. If leaseTime is -1, hold the lock until explicitly unlocked.unit
- the time unit- Throws:
InterruptedException
- - if the thread is interrupted
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tryLock
public boolean tryLock()
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tryLock
public boolean tryLock(long waitTime, long leaseTime, TimeUnit unit) throws InterruptedException
Description copied from interface:RLock
Tries to acquire the lock with definedleaseTime
. Waits up to definedwaitTime
if necessary until the lock became available. Lock will be released automatically after definedleaseTime
interval.- Parameters:
waitTime
- the maximum time to acquire the lockleaseTime
- lease timeunit
- time unit- Returns:
true
if lock is successfully acquired, otherwisefalse
if lock is already set.- Throws:
InterruptedException
- - if the thread is interrupted
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subscribe
protected CompletableFuture<RedissonLockEntry> subscribe(long threadId)
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unsubscribe
protected void unsubscribe(RedissonLockEntry entry, long threadId)
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tryLock
public boolean tryLock(long waitTime, TimeUnit unit) throws InterruptedException
- Throws:
InterruptedException
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unlock
public void unlock()
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forceUnlock
public boolean forceUnlock()
Description copied from interface:RLock
Unlocks the lock independently of its state- Returns:
true
if lock existed and now unlocked otherwisefalse
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forceUnlockAsync
public RFuture<Boolean> forceUnlockAsync()
Description copied from interface:RLockAsync
Unlocks the lock independently of its state- Returns:
true
if lock existed and now unlocked otherwisefalse
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unlockInnerAsync
protected RFuture<Boolean> unlockInnerAsync(long threadId)
- Specified by:
unlockInnerAsync
in classRedissonBaseLock
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lockAsync
public RFuture<Void> lockAsync()
Description copied from interface:RLockAsync
Acquires the lock. Waits if necessary until lock became available.- Returns:
- void
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lockAsync
public RFuture<Void> lockAsync(long leaseTime, TimeUnit unit)
Description copied from interface:RLockAsync
Acquires the lock with definedleaseTime
. Waits if necessary until lock became available. Lock will be released automatically after definedleaseTime
interval.- Parameters:
leaseTime
- the maximum time to hold the lock after it's acquisition, if it hasn't already been released by invokingunlock
. If leaseTime is -1, hold the lock until explicitly unlocked.unit
- the time unit- Returns:
- void
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lockAsync
public RFuture<Void> lockAsync(long currentThreadId)
Description copied from interface:RLockAsync
Acquires the lock by thread with definedthreadId
. Waits if necessary until lock became available.- Parameters:
currentThreadId
- id of thread- Returns:
- void
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lockAsync
public RFuture<Void> lockAsync(long leaseTime, TimeUnit unit, long currentThreadId)
Description copied from interface:RLockAsync
Acquires the lock with definedleaseTime
andthreadId
. Waits if necessary until lock became available. Lock will be released automatically after definedleaseTime
interval.- Parameters:
leaseTime
- the maximum time to hold the lock after it's acquisition, if it hasn't already been released by invokingunlock
. If leaseTime is -1, hold the lock until explicitly unlocked.unit
- the time unitcurrentThreadId
- id of thread- Returns:
- void
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tryLockAsync
public RFuture<Boolean> tryLockAsync()
Description copied from interface:RLockAsync
Tries to acquire the lock.- Returns:
true
if lock acquired otherwisefalse
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tryLockAsync
public RFuture<Boolean> tryLockAsync(long threadId)
Description copied from interface:RLockAsync
Tries to acquire the lock by thread with specifiedthreadId
.- Parameters:
threadId
- id of thread- Returns:
true
if lock acquired otherwisefalse
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tryLockAsync
public RFuture<Boolean> tryLockAsync(long waitTime, TimeUnit unit)
Description copied from interface:RLockAsync
Tries to acquire the lock. Waits up to definedwaitTime
if necessary until the lock became available.- Parameters:
waitTime
- the maximum time to acquire the lockunit
- time unit- Returns:
true
if lock is successfully acquired, otherwisefalse
if lock is already set.
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tryLockAsync
public RFuture<Boolean> tryLockAsync(long waitTime, long leaseTime, TimeUnit unit)
Description copied from interface:RLockAsync
Tries to acquire the lock with definedleaseTime
. Waits up to definedwaitTime
if necessary until the lock became available. Lock will be released automatically after definedleaseTime
interval.- Parameters:
waitTime
- the maximum time to acquire the lockleaseTime
- lease timeunit
- time unit- Returns:
true
if lock is successfully acquired, otherwisefalse
if lock is already set.
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tryLockAsync
public RFuture<Boolean> tryLockAsync(long waitTime, long leaseTime, TimeUnit unit, long currentThreadId)
Description copied from interface:RLockAsync
Tries to acquire the lock by thread with specifiedthreadId
andleaseTime
. Waits up to definedwaitTime
if necessary until the lock became available. Lock will be released automatically after definedleaseTime
interval.- Parameters:
waitTime
- time interval to acquire lockleaseTime
- time interval after which lock will be released automaticallyunit
- the time unit of thewaitTime
andleaseTime
argumentscurrentThreadId
- id of thread- Returns:
true
if lock acquired otherwisefalse
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expire
public boolean expire(long timeToLive, TimeUnit timeUnit)
Description copied from interface:RExpirable
UseRExpirable.expire(Duration)
instead- Specified by:
expire
in interfaceRExpirable
- Parameters:
timeToLive
- - timeout before object will be deletedtimeUnit
- - timeout time unit- Returns:
true
if the timeout was set andfalse
if not
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expireAsync
public RFuture<Boolean> expireAsync(long timeToLive, TimeUnit timeUnit)
Description copied from interface:RExpirableAsync
UseRExpirableAsync.expireAsync(Duration)
instead- Specified by:
expireAsync
in interfaceRExpirableAsync
- Parameters:
timeToLive
- - timeout before object will be deletedtimeUnit
- - timeout time unit- Returns:
true
if the timeout was set andfalse
if not
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expireAt
public boolean expireAt(long timestamp)
Description copied from interface:RExpirable
UseRExpirable.expire(Instant)
instead- Specified by:
expireAt
in interfaceRExpirable
- Parameters:
timestamp
- - expire date in milliseconds (Unix timestamp)- Returns:
true
if the timeout was set andfalse
if not
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expireAtAsync
public RFuture<Boolean> expireAtAsync(long timestamp)
Description copied from interface:RExpirableAsync
UseRExpirableAsync.expireAsync(Instant)
instead- Specified by:
expireAtAsync
in interfaceRExpirableAsync
- Parameters:
timestamp
- - expire date in milliseconds (Unix timestamp)- Returns:
true
if the timeout was set andfalse
if not
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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 interfaceRExpirable
- Parameters:
instant
- expire date- Returns:
true
if the timeout was set andfalse
if not
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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 interfaceRExpirable
- Parameters:
time
- expire date- Returns:
true
if the timeout was set andfalse
if not
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expireIfSetAsync
public RFuture<Boolean> expireIfSetAsync(Instant time)
- Specified by:
expireIfSetAsync
in interfaceRExpirableAsync
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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 interfaceRExpirable
- Parameters:
time
- expire date- Returns:
true
if the timeout was set andfalse
if not
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expireIfNotSetAsync
public RFuture<Boolean> expireIfNotSetAsync(Instant time)
- Specified by:
expireIfNotSetAsync
in interfaceRExpirableAsync
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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 interfaceRExpirable
- Parameters:
time
- expire date- Returns:
true
if the timeout was set andfalse
if not
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expireIfGreaterAsync
public RFuture<Boolean> expireIfGreaterAsync(Instant time)
- Specified by:
expireIfGreaterAsync
in interfaceRExpirableAsync
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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 interfaceRExpirable
- Parameters:
time
- expire date- Returns:
true
if the timeout was set andfalse
if not
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expireIfLessAsync
public RFuture<Boolean> expireIfLessAsync(Instant time)
- Specified by:
expireIfLessAsync
in interfaceRExpirableAsync
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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 interfaceRExpirableAsync
- Parameters:
instant
- - expire date- Returns:
true
if the timeout was set andfalse
if not
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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 interfaceRExpirable
- Parameters:
duration
- timeout before object will be deleted- Returns:
true
if the timeout was set andfalse
if not
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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 interfaceRExpirableAsync
- Parameters:
duration
- timeout before object will be deleted- Returns:
true
if the timeout was set andfalse
if not
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expireAt
public boolean expireAt(Date timestamp)
Description copied from interface:RExpirable
UseRExpirable.expire(Instant)
instead- Specified by:
expireAt
in interfaceRExpirable
- Parameters:
timestamp
- - expire date- Returns:
true
if the timeout was set andfalse
if not
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expireAtAsync
public RFuture<Boolean> expireAtAsync(Date timestamp)
Description copied from interface:RExpirableAsync
UseRExpirableAsync.expireAsync(Instant)
instead- Specified by:
expireAtAsync
in interfaceRExpirableAsync
- Parameters:
timestamp
- - expire date- Returns:
true
if the timeout was set andfalse
if not
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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 interfaceRExpirable
- Parameters:
duration
- timeout before object will be deleted- Returns:
true
if the timeout was set andfalse
if not
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expireIfSetAsync
public RFuture<Boolean> expireIfSetAsync(Duration duration)
- Specified by:
expireIfSetAsync
in interfaceRExpirableAsync
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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 interfaceRExpirable
- Parameters:
duration
- timeout before object will be deleted- Returns:
true
if the timeout was set andfalse
if not
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expireIfNotSetAsync
public RFuture<Boolean> expireIfNotSetAsync(Duration duration)
- Specified by:
expireIfNotSetAsync
in interfaceRExpirableAsync
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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 interfaceRExpirable
- Parameters:
duration
- timeout before object will be deleted- Returns:
true
if the timeout was set andfalse
if not
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expireIfGreaterAsync
public RFuture<Boolean> expireIfGreaterAsync(Duration duration)
- Specified by:
expireIfGreaterAsync
in interfaceRExpirableAsync
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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 interfaceRExpirable
- Parameters:
duration
- timeout before object will be deleted- Returns:
true
if the timeout was set andfalse
if not
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expireIfLessAsync
public RFuture<Boolean> expireIfLessAsync(Duration duration)
- Specified by:
expireIfLessAsync
in interfaceRExpirableAsync
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clearExpire
public boolean clearExpire()
Description copied from interface:RExpirable
Clear an expire timeout or expire date for object.- Specified by:
clearExpire
in interfaceRExpirable
- Returns:
true
if timeout was removedfalse
if object does not exist or does not have an associated timeout
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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 interfaceRExpirableAsync
- Returns:
true
if the timeout was cleared andfalse
if not
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remainTimeToLive
public long remainTimeToLive()
Description copied from interface:RExpirable
Remaining time to live of Redisson object that has a timeout- Specified by:
remainTimeToLive
in interfaceRExpirable
- Returns:
- time in milliseconds -2 if the key does not exist. -1 if the key exists but has no associated expire.
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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 interfaceRExpirableAsync
- Returns:
- time in milliseconds -2 if the key does not exist. -1 if the key exists but has no associated expire.
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getExpireTime
public long getExpireTime()
Description copied from interface:RExpirable
Expiration time of Redisson object that has a timeoutRequires Redis 7.0.0 and higher.
- Specified by:
getExpireTime
in interfaceRExpirable
- Returns:
- expiration time
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getExpireTimeAsync
public RFuture<Long> getExpireTimeAsync()
Description copied from interface:RExpirableAsync
Expiration time of Redisson object that has a timeoutRequires Redis 7.0.0 and higher.
- Specified by:
getExpireTimeAsync
in interfaceRExpirableAsync
- Returns:
- expiration time
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expireAsync
protected RFuture<Boolean> expireAsync(long timeToLive, TimeUnit timeUnit, String param, String... keys)
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expireAtAsync
protected RFuture<Boolean> expireAtAsync(long timestamp, String param, String... keys)
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