Package it.unive.lisa.util.collections.workset

Class ConcurrentLIFOWorkingSet<E>

  • Type Parameters:
    E - the type of the elements that this working set contains
    All Implemented Interfaces:
    WorkingSet<E>
    public final class ConcurrentLIFOWorkingSet<E>
extends java.lang.Object
implements WorkingSet<E>
    A last-in, first-out working set. This implementation is thread-safe.

    • Method Summary

      All Methods Static Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean equals​(java.lang.Object obj)  
      java.util.Collection<E> getContents()
      Yields the elements currently in this working set.
      int hashCode()  
      boolean isEmpty()
      Yields true if and only if this working set is empty.
      static <E> ConcurrentLIFOWorkingSet<E> mk()
      Yields a new, empty working set.
      E peek()
      Returns the next element to be processed from this working set without removing it.
      E pop()
      Removes the next element to be processed from this working set and returns it.
      void push​(E e)
      Pushes a new element into this working set.
      int size()
      Yields the size of this working set, that is, the number of elements contained in it.
      java.lang.String toString()  

      • Methods inherited from class java.lang.Object

        clone, finalize, getClass, notify, notifyAll, wait, wait, wait

    • Method Detail

      • mk

        public static <E> ConcurrentLIFOWorkingSet<E> mk()
        Yields a new, empty working set.
        Type Parameters:
        E - the type of the elements that the returned working set contains
        Returns:
        the new working set

      • push

        public void push​(E e)
        Description copied from interface: WorkingSet
        Pushes a new element into this working set.
        Specified by:
        push in interface WorkingSet<E>
        Parameters:
        e - the element

      • pop

        public E pop()
        Description copied from interface: WorkingSet
        Removes the next element to be processed from this working set and returns it.
        Specified by:
        pop in interface WorkingSet<E>
        Returns:
        the next element to process

      • peek

        public E peek()
        Description copied from interface: WorkingSet
        Returns the next element to be processed from this working set without removing it.
        Specified by:
        peek in interface WorkingSet<E>
        Returns:
        the next element to process

      • size

        public int size()
        Description copied from interface: WorkingSet
        Yields the size of this working set, that is, the number of elements contained in it.
        Specified by:
        size in interface WorkingSet<E>
        Returns:
        the size

      • isEmpty

        public boolean isEmpty()
        Description copied from interface: WorkingSet
        Yields true if and only if this working set is empty.
        Specified by:
        isEmpty in interface WorkingSet<E>
        Returns:
        true if that condition holds

      • getContents

        public java.util.Collection<E> getContents()
        Description copied from interface: WorkingSet
        Yields the elements currently in this working set.
        Specified by:
        getContents in interface WorkingSet<E>
        Returns:
        the elements

      • toString

        public java.lang.String toString()
        Overrides:
        toString in class java.lang.Object

      • hashCode

        public int hashCode()
        Overrides:
        hashCode in class java.lang.Object

      • equals

        public boolean equals​(java.lang.Object obj)
        Overrides:
        equals in class java.lang.Object