Class ConcurrentPriorityQueue<E>

  • All Implemented Interfaces:
    java.lang.Iterable<E>, java.util.Collection<E>, java.util.Queue<E>

    public class ConcurrentPriorityQueue<E>
    extends java.util.AbstractCollection<E>
    implements java.util.Queue<E>
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean add​(E d)
      boolean contains​(java.lang.Object o)
      E element()  
      boolean isEmpty()
      java.util.Iterator<E> iterator()
      boolean offer​(E e)
      E peek()
      E peekFirst()  
      E poll()
      E remove()  
      int size()
      • Methods inherited from class java.util.AbstractCollection

        addAll, clear, containsAll, remove, removeAll, retainAll, toArray, toArray, toString
      • Methods inherited from class java.lang.Object

        clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait
      • Methods inherited from interface java.util.Collection

        addAll, clear, containsAll, equals, hashCode, parallelStream, remove, removeAll, removeIf, retainAll, spliterator, stream, toArray, toArray, toArray
      • Methods inherited from interface java.lang.Iterable

        forEach
    • Constructor Detail

      • ConcurrentPriorityQueue

        public ConcurrentPriorityQueue()
        default constructor.
      • ConcurrentPriorityQueue

        public ConcurrentPriorityQueue​(java.util.Comparator<? super E> cmp)
        Parameters:
        cmp - customized comparator
    • Method Detail

      • remove

        public E remove()
        Specified by:
        remove in interface java.util.Queue<E>
      • element

        public E element()
        Specified by:
        element in interface java.util.Queue<E>
      • size

        public int size()
        Specified by:
        size in interface java.util.Collection<E>
        Specified by:
        size in class java.util.AbstractCollection<E>
      • peek

        public E peek()
        Specified by:
        peek in interface java.util.Queue<E>
      • offer

        public boolean offer​(E e)
        Specified by:
        offer in interface java.util.Queue<E>
      • peekFirst

        public E peekFirst()
        Returns:
        first element
      • poll

        public E poll()
        Specified by:
        poll in interface java.util.Queue<E>
      • contains

        public boolean contains​(java.lang.Object o)
        Specified by:
        contains in interface java.util.Collection<E>
        Overrides:
        contains in class java.util.AbstractCollection<E>
      • isEmpty

        public boolean isEmpty()
        Specified by:
        isEmpty in interface java.util.Collection<E>
        Overrides:
        isEmpty in class java.util.AbstractCollection<E>
      • iterator

        public java.util.Iterator<E> iterator()
        Specified by:
        iterator in interface java.util.Collection<E>
        Specified by:
        iterator in interface java.lang.Iterable<E>
        Specified by:
        iterator in class java.util.AbstractCollection<E>
      • add

        public boolean add​(E d)
        Specified by:
        add in interface java.util.Collection<E>
        Specified by:
        add in interface java.util.Queue<E>
        Overrides:
        add in class java.util.AbstractCollection<E>