org.redisson

Class RedissonAtomicLong

java.lang.Object

org.redisson.RedissonAtomicLong

All Implemented Interfaces:

RAtomicLong, RExpirable, RObject

public class RedissonAtomicLong
extends Object
implements RAtomicLong

Distributed alternative to the AtomicLong

Author:

Nikita Koksharov

Method Summary

Methods

Modifier and Type	Method and Description
long	addAndGet(long delta) Atomically adds the given value to the current value.
boolean	clearExpire() Remove the existing timeout of Redisson object
void	close()
boolean	compareAndSet(long expect, long update) Atomically sets the value to the given updated value only if the current value == the expected value.
long	decrementAndGet() Atomically decrements the current value by one.
void	delete() Deletes the object
boolean	expire(long timeToLive, TimeUnit timeUnit)
boolean	expireAt(Date timestamp)
boolean	expireAt(long timestamp)
long	get() Gets the current value.
long	getAndAdd(long delta) Atomically adds the given value to the current value.
long	getAndDecrement() Atomically decrements by one the current value.
long	getAndIncrement() Atomically increments the current value by one.
long	getAndSet(long newValue) Atomically sets the given value and returns the old value.
String	getName() Returns name of object
long	incrementAndGet() Atomically increments the current value by one.
protected <V> io.netty.util.concurrent.Promise<V>	newPromise()
long	remainTimeToLive() Remaining time to live of Redisson object that has a timeout
void	set(long newValue) Atomically sets the given value.
String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.redisson.core.RExpirable

clearExpire, expire, expireAt, expireAt, remainTimeToLive

Methods inherited from interface org.redisson.core.RObject

delete, getName

Method Detail

addAndGet

public long addAndGet(long delta)

Description copied from interface: RAtomicLong

Atomically adds the given value to the current value.

Specified by:

addAndGet in interface RAtomicLong

Parameters:

delta - the value to add

Returns:

the updated value

compareAndSet

public boolean compareAndSet(long expect,
                    long update)

Description copied from interface: RAtomicLong

Atomically sets the value to the given updated value only if the current value == the expected value.

Specified by:

compareAndSet in interface RAtomicLong

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.

decrementAndGet

public long decrementAndGet()

Description copied from interface: RAtomicLong

Atomically decrements the current value by one.

Specified by:

decrementAndGet in interface RAtomicLong

Returns:

the updated value

get

public long get()

Description copied from interface: RAtomicLong

Gets the current value.

Specified by:

get in interface RAtomicLong

Returns:

the current value

getAndAdd

public long getAndAdd(long delta)

Description copied from interface: RAtomicLong

Atomically adds the given value to the current value.

Specified by:

getAndAdd in interface RAtomicLong

Parameters:

delta - the value to add

Returns:

the old value before the add

getAndSet

public long getAndSet(long newValue)

Description copied from interface: RAtomicLong

Atomically sets the given value and returns the old value.

Specified by:

getAndSet in interface RAtomicLong

Parameters:

newValue - the new value

Returns:

the old value

incrementAndGet

public long incrementAndGet()

Description copied from interface: RAtomicLong

Atomically increments the current value by one.

Specified by:

incrementAndGet in interface RAtomicLong

Returns:

the updated value

getAndIncrement

public long getAndIncrement()

Description copied from interface: RAtomicLong

Atomically increments the current value by one.

Specified by:

getAndIncrement in interface RAtomicLong

Returns:

the old value

getAndDecrement

public long getAndDecrement()

Description copied from interface: RAtomicLong

Atomically decrements by one the current value.

Specified by:

getAndDecrement in interface RAtomicLong

Returns:

the previous value

set

public void set(long newValue)

Description copied from interface: RAtomicLong

Atomically sets the given value.

Specified by:

set in interface RAtomicLong

Parameters:

newValue - the new value

toString

public String toString()

Overrides:

toString in class Object

expire

public boolean expire(long timeToLive,
             TimeUnit timeUnit)

Specified by:

expire in interface RExpirable

expireAt

public boolean expireAt(long timestamp)

Specified by:

expireAt in interface RExpirable

expireAt

public boolean expireAt(Date timestamp)

Specified by:

expireAt in interface RExpirable

clearExpire

public boolean clearExpire()

Description copied from interface: RExpirable

Remove the existing timeout of Redisson 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

Remaining time to live of Redisson object that has a timeout

Specified by:

remainTimeToLive in interface RExpirable

Returns:

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

newPromise

protected <V> io.netty.util.concurrent.Promise<V> newPromise()

getName

public String getName()

Description copied from interface: RObject

Returns name of object

Specified by:

getName in interface RObject

Returns:

name

delete

public void delete()

Description copied from interface: RObject

Deletes the object

Specified by:

delete in interface RObject

close

public void close()