Package org.redisson.api

Interface RDequeRx<V>

    • Method Detail

      • addFirstIfExists

        io.reactivex.rxjava3.core.Single<> addFirstIfExists​(V... elements)
        Adds element at the head of existing deque.
        Parameters:
        elements - - elements to add
        Returns:
        length of the list

      • addLastIfExists

        io.reactivex.rxjava3.core.Single<> addLastIfExists​(V... elements)
        Adds element at the tail of existing deque.
        Parameters:
        elements - - elements to add
        Returns:
        length of the list

      • descendingIterator

        io.reactivex.rxjava3.core.Flowable<V> descendingIterator()

      • removeLastOccurrence

        io.reactivex.rxjava3.core.Single<> removeLastOccurrence​( o)
        Removes last occurrence of element o
        Parameters:
        o - - element
        Returns:
        true if object has been removed otherwise false

      • removeLast

        io.reactivex.rxjava3.core.Maybe<V> removeLast()
        Retrieves and removes the last element of deque. Returns null if there are no elements in deque.
        Returns:
        element

      • removeFirst

        io.reactivex.rxjava3.core.Maybe<V> removeFirst()
        Retrieves and removes the first element of deque. Returns null if there are no elements in deque.
        Returns:
        element

      • removeFirstOccurrence

        io.reactivex.rxjava3.core.Single<> removeFirstOccurrence​( o)
        Removes first occurrence of element o
        Parameters:
        o - - element to remove
        Returns:
        true if object has been removed otherwise false

      • push

        io.reactivex.rxjava3.core.Completable push​(V e)
        Adds element at the head of this deque.
        Parameters:
        e - - element to add
        Returns:
        void

      • pop

        io.reactivex.rxjava3.core.Maybe<V> pop()
        Retrieves and removes element at the head of this deque. Returns null if there are no elements in deque.
        Returns:
        element

      • pollLast

        io.reactivex.rxjava3.core.Maybe<V> pollLast()
        Retrieves and removes element at the tail of this deque. Returns null if there are no elements in deque.
        Returns:
        element

      • pollFirst

        io.reactivex.rxjava3.core.Maybe<V> pollFirst()
        Retrieves and removes element at the head of this deque. Returns null if there are no elements in deque.
        Returns:
        element

      • pollLast

        io.reactivex.rxjava3.core.Flowable<V> pollLast​(int limit)
        Retrieves and removes the tail elements of this queue. Elements amount limited by limit param.
        Returns:
        list of tail elements

      • pollFirst

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

      • peekLast

        io.reactivex.rxjava3.core.Maybe<V> peekLast()
        Returns element at the tail of this deque or null if there are no elements in deque.
        Returns:
        element

      • peekFirst

        io.reactivex.rxjava3.core.Maybe<V> peekFirst()
        Returns element at the head of this deque or null if there are no elements in deque.
        Returns:
        element

      • offerLast

        io.reactivex.rxjava3.core.Single<> offerLast​(V e)
        Adds element at the tail of this deque.
        Parameters:
        e - - element to add
        Returns:
        true if element was added to this deque otherwise false

      • getLast

        io.reactivex.rxjava3.core.Maybe<V> getLast()
        Returns element at the tail of this deque or null if there are no elements in deque.
        Returns:
        element

      • addLast

        io.reactivex.rxjava3.core.Completable addLast​(V e)
        Adds element at the tail of this deque.
        Parameters:
        e - - element to add
        Returns:
        void

      • addFirst

        io.reactivex.rxjava3.core.Completable addFirst​(V e)
        Adds element at the head of this deque.
        Parameters:
        e - - element to add
        Returns:
        void

      • offerFirst

        io.reactivex.rxjava3.core.Single<> offerFirst​(V e)
        Adds element at the head of this deque.
        Parameters:
        e - - element to add
        Returns:
        true if element was added to this deque otherwise false

      • move

        io.reactivex.rxjava3.core.Maybe<V> move​(DequeMoveArgs args)
        Move element from this deque to the given destination deque. Returns moved element.

        Usage examples: 

         V element = deque.move(DequeMoveArgs.pollLast()
                                 .addFirstTo("deque2"));
 
         V elements = deque.move(DequeMoveArgs.pollFirst()
                                 .addLastTo("deque2"));

        Requires Redis 6.2.0 and higher.

        Parameters:
        args - - arguments object
        Returns:
        moved element