Package org.redisson.api

Interface RQueueRx<V>

Type Parameters:
V - the type of elements held in this collection
All Superinterfaces:
RCollectionRx<V>, RExpirableRx, RObjectRx
All Known Subinterfaces:
RBlockingDequeRx<V>, RBlockingQueueRx<V>, RDequeRx<V>, RRingBufferRx<V>, RTransferQueueRx<V>
public interface RQueueRx<V> extends RCollectionRx<V>
RxJava2 interface for Queue object
Author:
Nikita Koksharov

  • Method Details

    • peek

      io.reactivex.rxjava3.core.Maybe<V> peek()
      Retrieves the head of this queue in async mode.
      Returns:
      the head of this queue, or null

    • poll

      io.reactivex.rxjava3.core.Maybe<V> poll()
      Retrieves and removes the head of this queue in async mode.
      Returns:
      the head of this queue, or null

    • poll

      io.reactivex.rxjava3.core.Single<List<V>> poll(int limit)
      Retrieves and removes the head elements of this queue. Elements amount limited by limit param.
      Returns:
      list of head elements

    • offer

      io.reactivex.rxjava3.core.Single<Boolean> offer(V e)
      Inserts the specified element into this queue.
      Parameters:
      e - the element to add
      Returns:
      true if successful, or false
      Throws:
      ClassCastException - if the class of the specified element prevents it from being added to this queue
      NullPointerException - if the specified element is null

    • pollLastAndOfferFirstTo

      io.reactivex.rxjava3.core.Maybe<V> pollLastAndOfferFirstTo(String queueName)
      Retrieves and removes last available tail element of this queue queue and adds it at the head of queueName.
      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

    • readAll

      io.reactivex.rxjava3.core.Single<List<V>> readAll()
      Returns all queue elements at once
      Returns:
      elements

    • addListener

      io.reactivex.rxjava3.core.Single<Integer> addListener(ObjectListener listener)
      Adds object event listener
      Specified by:
      addListener in interface RObjectRx
      Parameters:
      listener - - object event listener
      Returns:
      listener id
      See Also: