Package org.redisson

Class RedissonDelayedQueue<V>

java.lang.Object

org.redisson.RedissonObject

org.redisson.RedissonDelayedQueue<V>

Type Parameters:

V - value type

All Implemented Interfaces:

Iterable<V>, Collection<V>, Queue<V>, RCollectionAsync<V>, RDelayedQueue<V>, RDestroyable, RExpirable, RExpirableAsync, RObject, RObjectAsync, RQueue<V>, RQueueAsync<V>

public class RedissonDelayedQueue<V>
extends RedissonObject
implements RDelayedQueue<V>

Author:

Nikita Koksharov

Field Summary

Fields inherited from class org.redisson.RedissonObject

codec, commandExecutor, name

Constructor Summary

Constructors

Modifier	Constructor	Description
protected	RedissonDelayedQueue(QueueTransferService queueTransferService, Codec codec, CommandAsyncExecutor commandExecutor, String name)

Method Summary

Modifier and Type	Method	Description
boolean	add(V e)
boolean	addAll(Collection<? extends V> c)
RFuture<Boolean>	addAllAsync(Collection<? extends V> c)	Adds all elements contained in the specified collection
RFuture<Boolean>	addAsync(V e)	Adds element into this collection.
void	clear()
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	contains(Object o)
boolean	containsAll(Collection<?> c)
RFuture<Boolean>	containsAllAsync(Collection<?> c)	Returns true if this collection contains all of the elements in the specified collection.
RFuture<Boolean>	containsAsync(Object o)	Returns true if this collection contains encoded state of the specified element.
RFuture<Boolean>	deleteAsync()	Delete object in async mode
void	destroy()	Destroys object when it's not necessary anymore.
V	element()
boolean	expire(long timeToLive, TimeUnit timeUnit)	Set a timeout for object.
boolean	expire(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)
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... keys)
RFuture<Boolean>	expireAtAsync(Date timestamp)	Use RExpirableAsync.expireAsync(Instant) instead
boolean	isEmpty()
Iterator<V>	iterator()
boolean	offer(V e)
void	offer(V e, long delay, TimeUnit timeUnit)	Inserts element into this queue with specified transfer delay to destination queue.
RFuture<Boolean>	offerAsync(V e)	Inserts the specified element into this queue.
RFuture<Void>	offerAsync(V e, long delay, TimeUnit timeUnit)	Inserts element into this queue with specified transfer delay to destination queue.
V	peek()
RFuture<V>	peekAsync()	Retrieves the head of this queue in async mode.
V	poll()
List<V>	poll(int limit)	Retrieves and removes the head elements of this queue.
RFuture<V>	pollAsync()	Retrieves and removes the head of this queue in async mode.
RFuture<List<V>>	pollAsync(int limit)	Retrieves and removes the head elements of this queue.
V	pollLastAndOfferFirstTo(String dequeName)	Retrieves and removes last available tail element of this queue queue and adds it at the head of queueName.
RFuture<V>	pollLastAndOfferFirstToAsync(String queueName)	Retrieves and removes last available tail element of this queue queue and adds it at the head of queueName.
List<V>	readAll()	Returns all queue elements at once
RFuture<List<V>>	readAllAsync()	Returns all queue elements at once
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
V	remove()
boolean	remove(Object o)
boolean	removeAll(Collection<?> c)
RFuture<Boolean>	removeAllAsync(Collection<?> c)	Removes all of this collection's elements that are also contained in the specified collection.
RFuture<Boolean>	removeAsync(Object o)	Removes a single instance of the specified element from this collection, if it is present.
protected RFuture<Boolean>	removeAsync(Object o, int count)
boolean	retainAll(Collection<?> c)
RFuture<Boolean>	retainAllAsync(Collection<?> c)	Retains only the elements in this collection that are contained in the specified collection.
int	size()
RFuture<Integer>	sizeAsync()	Returns number of elements in this collection.
RFuture<Long>	sizeInMemoryAsync()	Returns bytes amount used by object in Redis memory.
Object[]	toArray()
<T> T[]	toArray(T[] a)

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, 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.Object

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

Methods inherited from interface java.util.Collection

equals, hashCode, parallelStream, removeIf, spliterator, stream, toArray

Methods inherited from interface java.lang.Iterable

forEach

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

Methods inherited from interface org.redisson.api.RQueueAsync

addListenerAsync

Constructor Detail

RedissonDelayedQueue

protected RedissonDelayedQueue(QueueTransferService queueTransferService,
                               Codec codec,
                               CommandAsyncExecutor commandExecutor,
                               String name)

Method Detail

offer

public void offer(V e,
                  long delay,
                  TimeUnit timeUnit)

Description copied from interface: RDelayedQueue

Inserts element into this queue with specified transfer delay to destination queue.

Specified by:

offer in interface RDelayedQueue<V>

Parameters:

e - the element to add

delay - for transition

timeUnit - for delay

offerAsync

public RFuture<Void> offerAsync(V e,
                                long delay,
                                TimeUnit timeUnit)

Description copied from interface: RDelayedQueue

Inserts element into this queue with specified transfer delay to destination queue.

Specified by:

offerAsync in interface RDelayedQueue<V>

Parameters:

e - the element to add

delay - for transition

timeUnit - for delay

Returns:

void

add

public boolean add(V e)

Specified by:

add in interface Collection<V>

Specified by:

add in interface Queue<V>

offer

public boolean offer(V e)

Specified by:

offer in interface Queue<V>

remove

public V remove()

Specified by:

remove in interface Queue<V>

poll

public V poll()

Specified by:

poll in interface Queue<V>

element

public V element()

Specified by:

element in interface Queue<V>

peek

public V peek()

Specified by:

peek in interface Queue<V>

size

public int size()

Specified by:

size in interface Collection<V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Collection<V>

contains

public boolean contains(Object o)

Specified by:

contains in interface Collection<V>

iterator

public Iterator<V> iterator()

Specified by:

iterator in interface Collection<V>

Specified by:

iterator in interface Iterable<V>

toArray

public Object[] toArray()

Specified by:

toArray in interface Collection<V>

toArray

public <T> T[] toArray(T[] a)

Specified by:

toArray in interface Collection<V>

readAll

public List<V> readAll()

Description copied from interface: RQueue

Returns all queue elements at once

Specified by:

readAll in interface RQueue<V>

Returns:

elements

poll

public List<V> poll(int limit)

Description copied from interface: RQueue

Retrieves and removes the head elements of this queue. Elements amount limited by limit param.

Specified by:

poll in interface RQueue<V>

Returns:

list of head elements

readAllAsync

public RFuture<List<V>> readAllAsync()

Description copied from interface: RQueueAsync

Returns all queue elements at once

Specified by:

readAllAsync in interface RQueueAsync<V>

Returns:

elements

pollAsync

public RFuture<List<V>> pollAsync(int limit)

Description copied from interface: RQueueAsync

Retrieves and removes the head elements of this queue. Elements amount limited by limit param.

Specified by:

pollAsync in interface RQueueAsync<V>

Returns:

list of head elements

remove

public boolean remove(Object o)

Specified by:

remove in interface Collection<V>

removeAsync

public RFuture<Boolean> removeAsync(Object 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>

Parameters:

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

Returns:

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

removeAsync

protected RFuture<Boolean> removeAsync(Object o,
                                       int count)

containsAllAsync

public RFuture<Boolean> containsAllAsync(Collection<?> c)

Description copied from interface: RCollectionAsync

Returns true if this collection contains all of the elements in the specified collection.

Specified by:

containsAllAsync in interface RCollectionAsync<V>

Parameters:

c - collection to be checked for containment in this collection

Returns:

true if this collection contains all of the elements in the specified collection

containsAll

public boolean containsAll(Collection<?> c)

Specified by:

containsAll in interface Collection<V>

addAll

public boolean addAll(Collection<? extends V> c)

Specified by:

addAll in interface Collection<V>

removeAllAsync

public RFuture<Boolean> removeAllAsync(Collection<?> 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>

Parameters:

c - collection containing elements to be removed from this collection

Returns:

true if this collection changed as a result of the call

removeAll

public boolean removeAll(Collection<?> c)

Specified by:

removeAll in interface Collection<V>

retainAll

public boolean retainAll(Collection<?> c)

Specified by:

retainAll in interface Collection<V>

retainAllAsync

public RFuture<Boolean> retainAllAsync(Collection<?> c)

Description copied from interface: RCollectionAsync

Retains only the elements in this collection that are contained in the specified collection.

Specified by:

retainAllAsync in interface RCollectionAsync<V>

Parameters:

c - collection containing elements to be retained in this collection

Returns:

true if this collection changed as a result of the call

clear

public void clear()

Specified by:

clear in interface Collection<V>

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

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

expireAtAsync

protected RFuture<Boolean> expireAtAsync(long timestamp,
                                         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

peekAsync

public RFuture<V> peekAsync()

Description copied from interface: RQueueAsync

Retrieves the head of this queue in async mode.

Specified by:

peekAsync in interface RQueueAsync<V>

Returns:

the head of this queue, or null

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>

Returns:

the head of this queue, or null

offerAsync

public RFuture<Boolean> offerAsync(V e)

Description copied from interface: RQueueAsync

Inserts the specified element into this queue.

Specified by:

offerAsync in interface RQueueAsync<V>

Parameters:

e - the element to add

Returns:

true if successful, or false

pollLastAndOfferFirstToAsync

public RFuture<V> pollLastAndOfferFirstToAsync(String queueName)

Description copied from interface: RQueueAsync

Retrieves and removes last available tail element of this queue queue and adds it at the head of queueName.

Specified by:

pollLastAndOfferFirstToAsync in interface RQueueAsync<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

containsAsync

public RFuture<Boolean> containsAsync(Object o)

Description copied from interface: RCollectionAsync

Returns true if this collection contains encoded state of the specified element.

Specified by:

containsAsync in interface RCollectionAsync<V>

Parameters:

o - element whose presence in this collection is to be tested

Returns:

true if this collection contains the specified element and false otherwise

sizeAsync

public RFuture<Integer> sizeAsync()

Description copied from interface: RCollectionAsync

Returns number of elements in this collection.

Specified by:

sizeAsync in interface RCollectionAsync<V>

Returns:

size of collection

addAsync

public RFuture<Boolean> addAsync(V e)

Description copied from interface: RCollectionAsync

Adds element into this collection.

Specified by:

addAsync in interface RCollectionAsync<V>

Parameters:

e - - element to add

Returns:

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

addAllAsync

public RFuture<Boolean> addAllAsync(Collection<? extends V> c)

Description copied from interface: RCollectionAsync

Adds all elements contained in the specified collection

Specified by:

addAllAsync in interface RCollectionAsync<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

pollLastAndOfferFirstTo

public V pollLastAndOfferFirstTo(String dequeName)

Description copied from interface: RQueue

Retrieves and removes last available tail element of this queue queue and adds it at the head of queueName.

Specified by:

pollLastAndOfferFirstTo in interface RQueue<V>

Parameters:

dequeName - - names of destination queue

Returns:

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

destroy

public void destroy()

Description copied from interface: RDestroyable

Destroys object when it's not necessary anymore.

Specified by:

destroy in interface RDestroyable

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

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

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)

clearExpireAsync

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