Package org.redisson

Class RedissonBoundedBlockingQueue<V>

org.redisson.RedissonObject

org.redisson.RedissonList<V>

org.redisson.RedissonQueue<V>

org.redisson.RedissonBoundedBlockingQueue<V>

All Implemented Interfaces:

<V>, <V>, <V>, <V>, <V>, , <V>>, <V>>

public class RedissonBoundedBlockingQueue<V>
extends RedissonQueue<V>
implements RBoundedBlockingQueue<V>

Distributed and concurrent implementation of bounded .

Author:

Nikita Koksharov

Field Summary

Fields inherited from class org.redisson.RedissonObject

codec, name

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RedissonBoundedBlockingQueue(Codec codec, CommandAsyncExecutor commandExecutor, name, RedissonClient redisson)
protected	RedissonBoundedBlockingQueue(CommandAsyncExecutor commandExecutor, name, RedissonClient redisson)

Method Summary

Modifier and Type	Method	Description
>	<? extends V> c)	Adds all elements contained in the specified collection
>	addAsync(V e)	Adds element into this collection.
void	clear()
boolean	clearExpire()	Clear an expire timeout or expire date for object.
>	clearExpireAsync()	Clear an expire timeout or expire date for object in async mode.
protected >	... keys)
>	deleteAsync()	Delete object in async mode
int	<? super V> c)
int	<? super V> c, int maxElements)
>	<? super V> c)	Removes all available elements from this queue and adds them to the given collection in async mode.
>	<? super V> c, int maxElements)	Removes at most the given number of available elements from this queue and adds them to the given collection in async mode.
boolean	expire(long timeToLive, timeUnit)	Set a timeout for object.
boolean	instant)	Set an expire date for object.
>	expireAsync(long timeToLive, timeUnit)	Set a timeout for object in async mode.
protected >	expireAsync(long timeToLive, timeUnit, ... keys)
>	instant)	Set an expire date for object.
boolean	expireAt(long timestamp)	Use RExpirable.expire(Instant) instead
boolean	timestamp)	Use RExpirable.expire(Instant) instead
>	expireAtAsync(long timestamp)	Use RExpirableAsync.expireAsync(Instant) instead
protected >	expireAtAsync(long timestamp, ... keys)
>	timestamp)	Use RExpirableAsync.expireAsync(Instant) instead
boolean	offer(V e, long timeout, unit)
>	offerAsync(V e)	Inserts the specified element into this queue.
>	offerAsync(V e, long timeout, unit)	Inserts the specified element into this queue, waiting up to the specified wait time if necessary for space to become available.
V	poll(long timeout, unit)
RFuture<V>	pollAsync()	Retrieves and removes the head of this queue in async mode.
RFuture<V>	pollAsync(long timeout, unit)	Retrieves and removes the head of this queue in async mode, waiting up to the specified wait time if necessary for an element to become available.
V	pollFromAny(long timeout, unit, ... queueNames)	Retrieves and removes first available head element of any queue, waiting up to the specified wait time if necessary for an element to become available in any of defined queues including queue itself.
RFuture<V>	pollFromAnyAsync(long timeout, unit, ... queueNames)	Retrieves and removes first available head element of any queue in async mode, waiting up to the specified wait time if necessary for an element to become available in any of defined queues including queue itself.
V	queueName, long timeout, unit)	Retrieves and removes last available tail element of this queue and adds it at the head of queueName, waiting up to the specified wait time if necessary for an element to become available.
RFuture<V>	queueName, long timeout, unit)	Retrieves and removes last available tail element of this queue and adds it at the head of queueName, waiting up to the specified wait time if necessary for an element to become available.
void	put(V e)
>	putAsync(V e)	Inserts the specified element into this queue in async mode, waiting if necessary for space to become available.
int	remainingCapacity()
long	remainTimeToLive()	Remaining time to live of Redisson object that has a timeout
>	remainTimeToLiveAsync()	Remaining time to live of Redisson object that has a timeout
>	<?> c)	Removes all of this collection's elements that are also contained in the specified collection.
>	o)	Removes a single instance of the specified element from this collection, if it is present.
>	sizeInMemoryAsync()	Returns bytes amount used by object in Redis memory.
int	<V> consumer)	Subscribes on elements appeared in this queue.
V	take()
RFuture<V>	takeAsync()	Retrieves and removes the head of this queue in async mode, waiting if necessary until an element becomes available.
V	queueName)	Retrieves and removes last available tail element of any queue and adds it at the head of queueName, waiting if necessary for an element to become available in any of defined queues including queue itself.
RFuture<V>	queueName)	Retrieves and removes last available tail element of any queue and adds it at the head of queueName, waiting if necessary for an element to become available in any of defined queues including queue itself.
boolean	trySetCapacity(int capacity)	Sets queue capacity only if it is not set before.
>	trySetCapacityAsync(int capacity)	Sets queue capacity only if it is not set before.
void	unsubscribe(int listenerId)	Un-subscribes defined listener.

Methods inherited from class org.redisson.RedissonQueue

element, getFirst, offer, peek, peekAsync, poll, poll, pollAsync, pollLastAndOfferFirstTo, pollLastAndOfferFirstToAsync, remove, removeFirst

Methods inherited from class org.redisson.RedissonList

add, add, addAfter, addAfterAsync, addAll, addAll, addAllAsync, addAsync, addAsync, addBefore, addBeforeAsync, addListener, addListenerAsync, contains, containsAll, containsAllAsync, containsAsync, equals, fastRemove, fastRemoveAsync, fastSet, fastSetAsync, get, get, getAsync, getAsync, hashCode, indexOf, indexOfAsync, indexOfAsync, isEmpty, iterator, lastIndexOf, lastIndexOfAsync, lastIndexOfAsync, listIterator, listIterator, mapReduce, range, range, rangeAsync, rangeAsync, readAll, readAllAsync, readSort, readSort, readSort, readSort, readSort, readSort, readSortAlpha, readSortAlpha, readSortAlpha, readSortAlpha, readSortAlpha, readSortAlpha, readSortAlphaAsync, readSortAlphaAsync, readSortAlphaAsync, readSortAlphaAsync, readSortAlphaAsync, readSortAlphaAsync, readSortAsync, readSortAsync, readSortAsync, readSortAsync, readSortAsync, readSortAsync, remove, remove, remove, removeAll, removeAsync, removeAsync, removeIf, removeListener, removeListenerAsync, retainAll, retainAllAsync, set, setAsync, size, sizeAsync, sortTo, sortTo, sortTo, sortTo, sortTo, sortTo, sortToAsync, sortToAsync, sortToAsync, sortToAsync, sortToAsync, sortToAsync, subList, toArray, toArray, toString, trim, trimAsync

Methods inherited from class org.redisson.RedissonObject

addListener, 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, removeListenersAsync, rename, renameAsync, renamenx, 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.

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Methods inherited from interface java.util.concurrent.

, , ,

Methods inherited from interface java.util.

, , ,

Methods inherited from interface java.lang.

Methods inherited from interface java.util.

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Methods inherited from interface java.util.

, , ,

Methods inherited from interface org.redisson.api.RCollectionAsync

containsAllAsync, containsAsync, retainAllAsync, sizeAsync

Methods inherited from interface org.redisson.api.RExpirable

clearExpire, expire, expire, expireAt, expireAt, remainTimeToLive

Methods inherited from interface org.redisson.api.RExpirableAsync

expireAsync, expireAtAsync, expireAtAsync, remainTimeToLiveAsync

Methods inherited from interface org.redisson.api.RObject

copy, 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

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

Methods inherited from interface org.redisson.api.RQueue

addListener, poll, pollLastAndOfferFirstTo, readAll

Methods inherited from interface org.redisson.api.RQueueAsync

addListenerAsync, peekAsync, pollAsync, pollLastAndOfferFirstToAsync, readAllAsync

Constructor Detail

RedissonBoundedBlockingQueue

protected RedissonBoundedBlockingQueue(CommandAsyncExecutor commandExecutor,
                                        name,
                                       RedissonClient redisson)

RedissonBoundedBlockingQueue

protected RedissonBoundedBlockingQueue(Codec codec,
                                       CommandAsyncExecutor commandExecutor,
                                        name,
                                       RedissonClient redisson)

Method Detail

addAsync

public > addAsync(V e)

Description copied from interface: RCollectionAsync

Adds element into this collection.

Specified by:

addAsync in interface RCollectionAsync<V>

Overrides:

addAsync in class RedissonList<V>

Parameters:

e - - element to add

Returns:

true if an element was added and false if it is already present

putAsync

public > putAsync(V e)

Description copied from interface: RBlockingQueueAsync

Inserts the specified element into this queue in async mode, waiting if necessary for space to become available.

Specified by:

putAsync in interface RBlockingQueueAsync<V>

Parameters:

e - the element to add

Returns:

void

put

public void put(V e)
         throws 

Specified by:

in interface <V>

Throws:

offerAsync

public > offerAsync(V e)

Description copied from interface: RQueueAsync

Inserts the specified element into this queue.

Specified by:

offerAsync in interface RQueueAsync<V>

Overrides:

offerAsync in class RedissonQueue<V>

Parameters:

e - the element to add

Returns:

true if successful, or false

offer

public boolean offer(V e,
                     long timeout,
                      unit)
              throws 

Specified by:

in interface <V>

Throws:

offerAsync

public > offerAsync(V e,
                                   long timeout,
                                    unit)

Description copied from interface: RBoundedBlockingQueueAsync

Inserts the specified element into this queue, waiting up to the specified wait time if necessary for space to become available.

Specified by:

offerAsync in interface RBoundedBlockingQueueAsync<V>

Parameters:

e - the element to add

timeout - how long to wait before giving up, in units of unit

unit - a TimeUnit determining how to interpret the timeout parameter

Returns:

true if successful, or false if the specified waiting time elapses before space is available

takeAsync

public RFuture<V> takeAsync()

Description copied from interface: RBlockingQueueAsync

Retrieves and removes the head of this queue in async mode, waiting if necessary until an element becomes available.

Specified by:

takeAsync in interface RBlockingQueueAsync<V>

Returns:

the head of this queue

removeAsync

public > removeAsync( o)

Description copied from interface: RCollectionAsync

Removes a single instance of the specified element from this collection, if it is present.

Specified by:

removeAsync in interface RCollectionAsync<V>

Overrides:

removeAsync in class RedissonList<V>

Parameters:

o - element to be removed from this collection, if present

Returns:

true if an element was removed as a result of this call

removeAllAsync

public > removeAllAsync(<?> c)

Description copied from interface: RCollectionAsync

Removes all of this collection's elements that are also contained in the specified collection.

Specified by:

removeAllAsync in interface RCollectionAsync<V>

Overrides:

removeAllAsync in class RedissonList<V>

Parameters:

c - collection containing elements to be removed from this collection

Returns:

true if this collection changed as a result of the call

pollAsync

public RFuture<V> pollAsync()

Description copied from interface: RQueueAsync

Retrieves and removes the head of this queue in async mode.

Specified by:

pollAsync in interface RQueueAsync<V>

Overrides:

pollAsync in class RedissonQueue<V>

Returns:

the head of this queue, or null

take

public V take()
       throws 

Specified by:

in interface <V>

Throws:

pollAsync

public RFuture<V> pollAsync(long timeout,
                             unit)

Description copied from interface: RBlockingQueueAsync

Retrieves and removes the head of this queue in async mode, waiting up to the specified wait time if necessary for an element to become available.

Specified by:

pollAsync in interface RBlockingQueueAsync<V>

Parameters:

timeout - how long to wait before giving up, in units of unit

unit - a TimeUnit determining how to interpret the timeout parameter

Returns:

the head of this queue, or null if the specified waiting time elapses before an element is available

poll

public V poll(long timeout,
               unit)
       throws 

Specified by:

in interface <V>

Throws:

pollFromAny

public V pollFromAny(long timeout,
                      unit,
                     ... queueNames)
              throws 

Description copied from interface: RBlockingQueue

Retrieves and removes first available head element of any queue, waiting up to the specified wait time if necessary for an element to become available in any of defined queues including queue itself.

Specified by:

pollFromAny in interface RBlockingQueue<V>

Parameters:

timeout - how long to wait before giving up, in units of unit

unit - a TimeUnit determining how to interpret the timeout parameter

queueNames - - queue names. Queue name itself is always included

Returns:

the head of this queue, or null if the specified waiting time elapses before an element is available

Throws:

- if interrupted while waiting

pollFromAnyAsync

public RFuture<V> pollFromAnyAsync(long timeout,
                                    unit,
                                   ... queueNames)

Description copied from interface: RBlockingQueueAsync

Retrieves and removes first available head element of any queue in async mode, waiting up to the specified wait time if necessary for an element to become available in any of defined queues including queue itself.

Specified by:

pollFromAnyAsync in interface RBlockingQueueAsync<V>

Parameters:

timeout - how long to wait before giving up, in units of unit

unit - a TimeUnit determining how to interpret the timeout parameter

queueNames - - queue names. Queue name itself is always included

Returns:

Future object with the head of this queue, or null if the specified waiting time elapses before an element is available

takeLastAndOfferFirstTo

public  queueName)
                          throws 

Description copied from interface: RBlockingQueue

Retrieves and removes last available tail element of any queue and adds it at the head of queueName, waiting if necessary for an element to become available in any of defined queues including queue itself.

Specified by:

takeLastAndOfferFirstTo in interface RBlockingQueue<V>

Parameters:

queueName - - names of destination queue

Returns:

the tail of this queue, or null if the specified waiting time elapses before an element is available

Throws:

- if interrupted while waiting

subscribeOnElements

public int subscribeOnElements(<V> consumer)

Description copied from interface: RBlockingQueue

Subscribes on elements appeared in this queue. Continuously invokes RBlockingQueueAsync.takeAsync() method to get a new element.

Specified by:

subscribeOnElements in interface RBlockingQueue<V>

Parameters:

consumer - - queue elements listener

Returns:

listenerId - id of listener

unsubscribe

public void unsubscribe(int listenerId)

Description copied from interface: RBlockingQueue

Un-subscribes defined listener.

Specified by:

unsubscribe in interface RBlockingQueue<V>

Parameters:

listenerId - - id of listener

takeLastAndOfferFirstToAsync

public  queueName)

Description copied from interface: RBlockingQueueAsync

Retrieves and removes last available tail element of any queue and adds it at the head of queueName, waiting if necessary for an element to become available in any of defined queues including queue itself.

Specified by:

takeLastAndOfferFirstToAsync in interface RBlockingQueueAsync<V>

Parameters:

queueName - - names of destination queue

Returns:

the tail of this queue, or null if the specified waiting time elapses before an element is available

pollLastAndOfferFirstToAsync

public  queueName,
                                               long timeout,
                                                unit)

Description copied from interface: RBlockingQueueAsync

Retrieves and removes last available tail element of this queue and adds it at the head of queueName, waiting up to the specified wait time if necessary for an element to become available.

Specified by:

pollLastAndOfferFirstToAsync in interface RBlockingQueueAsync<V>

Parameters:

queueName - - names of destination queue

timeout - how long to wait before giving up, in units of unit

unit - a TimeUnit determining how to interpret the timeout parameter

Returns:

the tail of this queue, or null if the specified waiting time elapses before an element is available

pollLastAndOfferFirstTo

public  queueName,
                                 long timeout,
                                  unit)
                          throws 

Description copied from interface: RBlockingQueue

Retrieves and removes last available tail element of this queue and adds it at the head of queueName, waiting up to the specified wait time if necessary for an element to become available.

Specified by:

pollLastAndOfferFirstTo in interface RBlockingQueue<V>

Parameters:

queueName - - names of destination queue

timeout - how long to wait before giving up, in units of unit

unit - a TimeUnit determining how to interpret the timeout parameter

Returns:

the tail of this queue, or null if the specified waiting time elapses before an element is available

Throws:

- if interrupted while waiting

remainingCapacity

public int remainingCapacity()

Specified by:

in interface <V>

drainTo

public int drainTo(<? super V> c)

Specified by:

in interface <V>

drainToAsync

public > drainToAsync(<? super V> c)

Description copied from interface: RBlockingQueueAsync

Removes all available elements from this queue and adds them to the given collection in async mode. This operation may be more efficient than repeatedly polling this queue. A failure encountered while attempting to add elements to collection c may result in elements being in neither, either or both collections when the associated exception is thrown. Attempts to drain a queue to itself result in IllegalArgumentException. Further, the behavior of this operation is undefined if the specified collection is modified while the operation is in progress.

Specified by:

drainToAsync in interface RBlockingQueueAsync<V>

Parameters:

c - the collection to transfer elements into

Returns:

the number of elements transferred

drainTo

public int drainTo(<? super V> c,
                   int maxElements)

Specified by:

in interface <V>

drainToAsync

public > drainToAsync(<? super V> c,
                                     int maxElements)

Description copied from interface: RBlockingQueueAsync

Removes at most the given number of available elements from this queue and adds them to the given collection in async mode. A failure encountered while attempting to add elements to collection c may result in elements being in neither, either or both collections when the associated exception is thrown. Attempts to drain a queue to itself result in IllegalArgumentException. Further, the behavior of this operation is undefined if the specified collection is modified while the operation is in progress.

Specified by:

drainToAsync in interface RBlockingQueueAsync<V>

Parameters:

c - the collection to transfer elements into

maxElements - the maximum number of elements to transfer

Returns:

the number of elements transferred

trySetCapacityAsync

public > trySetCapacityAsync(int capacity)

Description copied from interface: RBoundedBlockingQueueAsync

Sets queue capacity only if it is not set before.

Specified by:

trySetCapacityAsync in interface RBoundedBlockingQueueAsync<V>

Parameters:

capacity - - queue capacity

Returns:

true if capacity set successfully false if capacity already set

trySetCapacity

public boolean trySetCapacity(int capacity)

Description copied from interface: RBoundedBlockingQueue

Sets queue capacity only if it is not set before.

Specified by:

trySetCapacity in interface RBoundedBlockingQueue<V>

Parameters:

capacity - - queue capacity

Returns:

true if capacity set successfully false if capacity already set

clear

public void clear()

Specified by:

in interface <V>

Specified by:

in interface <V>

Overrides:

clear in class RedissonList<V>

deleteAsync

public > 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 > 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

expireAsync

public > expireAsync(long timeToLive,
                                     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

expireAtAsync

protected > expireAtAsync(long timestamp,
                                         ... keys)

clearExpireAsync

public > 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

addAllAsync

public > addAllAsync(<? extends V> c)

Description copied from interface: RCollectionAsync

Adds all elements contained in the specified collection

Specified by:

addAllAsync in interface RCollectionAsync<V>

Overrides:

addAllAsync in class RedissonList<V>

Parameters:

c - - collection of elements to add

Returns:

true if at least one element was added and false if all elements are already present

expire

public boolean expire(long timeToLive,
                       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

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 > 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)

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 > expireAsync( 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( 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 > expireAtAsync( 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

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 > 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 > expireAsync(long timeToLive,
                                        timeUnit,
                                       ... keys)

clearExpireAsync

protected > clearExpireAsync(... keys)