Class AbstractUnmodifiableQueue<E>

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

    public abstract class AbstractUnmodifiableQueue<E>
    extends java.util.AbstractQueue<E>
    A subclass of AbstractQueue that overrides the various mutator methods to mark them as deprecated and unconditionally throw UnsupportedOperationException.
    • Method Summary

      All Methods Instance Methods Concrete Methods Deprecated Methods 
      Modifier and Type Method Description
      boolean add​(E e)
      Deprecated.
      Unsupported operation.
      boolean addAll​(java.util.Collection<? extends E> c)
      Deprecated.
      Unsupported operation.
      void clear()
      Deprecated.
      Unsupported operation.
      boolean offer​(E e)
      Deprecated.
      Unsupported operation.
      E poll()
      Deprecated.
      Unsupported operation.
      E remove()
      Deprecated.
      Unsupported operation.
      boolean remove​(java.lang.Object o)
      Deprecated.
      Unsupported operation.
      boolean removeAll​(java.util.Collection<?> c)
      Deprecated.
      Unsupported operation.
      boolean removeIf​(java.util.function.Predicate<? super E> filter)
      Deprecated.
      Unsupported operation.
      boolean retainAll​(java.util.Collection<?> list)
      Deprecated.
      Unsupported operation.
      • Methods inherited from class java.util.AbstractQueue

        element
      • Methods inherited from class java.util.AbstractCollection

        contains, containsAll, isEmpty, iterator, size, 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

        contains, containsAll, equals, hashCode, isEmpty, iterator, parallelStream, size, spliterator, stream, toArray, toArray, toArray
      • Methods inherited from interface java.lang.Iterable

        forEach
      • Methods inherited from interface java.util.Queue

        peek
    • Constructor Detail

      • AbstractUnmodifiableQueue

        public AbstractUnmodifiableQueue()
    • Method Detail

      • add

        @Deprecated
        public boolean add​(E e)
        Deprecated.
        Unsupported operation.
        Specified by:
        add in interface java.util.Collection<E>
        Specified by:
        add in interface java.util.Queue<E>
        Overrides:
        add in class java.util.AbstractQueue<E>
        Throws:
        java.lang.UnsupportedOperationException - always
      • addAll

        @Deprecated
        public boolean addAll​(java.util.Collection<? extends E> c)
        Deprecated.
        Unsupported operation.
        Specified by:
        addAll in interface java.util.Collection<E>
        Overrides:
        addAll in class java.util.AbstractQueue<E>
        Throws:
        java.lang.UnsupportedOperationException - always
      • clear

        @Deprecated
        public void clear()
        Deprecated.
        Unsupported operation.
        Specified by:
        clear in interface java.util.Collection<E>
        Overrides:
        clear in class java.util.AbstractQueue<E>
        Throws:
        java.lang.UnsupportedOperationException - always
      • offer

        @Deprecated
        public boolean offer​(E e)
        Deprecated.
        Unsupported operation.
        Throws:
        java.lang.UnsupportedOperationException - always
      • poll

        @Deprecated
        public E poll()
        Deprecated.
        Unsupported operation.
        Throws:
        java.lang.UnsupportedOperationException - always
      • remove

        @Deprecated
        public E remove()
        Deprecated.
        Unsupported operation.
        Specified by:
        remove in interface java.util.Queue<E>
        Overrides:
        remove in class java.util.AbstractQueue<E>
        Throws:
        java.lang.UnsupportedOperationException - always
      • remove

        @Deprecated
        public boolean remove​(java.lang.Object o)
        Deprecated.
        Unsupported operation.
        Specified by:
        remove in interface java.util.Collection<E>
        Overrides:
        remove in class java.util.AbstractCollection<E>
        Throws:
        java.lang.UnsupportedOperationException - always
      • removeAll

        @Deprecated
        public boolean removeAll​(java.util.Collection<?> c)
        Deprecated.
        Unsupported operation.
        Specified by:
        removeAll in interface java.util.Collection<E>
        Overrides:
        removeAll in class java.util.AbstractCollection<E>
        Throws:
        java.lang.UnsupportedOperationException - always
      • removeIf

        @Deprecated
        public boolean removeIf​(java.util.function.Predicate<? super E> filter)
        Deprecated.
        Unsupported operation.
        Throws:
        java.lang.UnsupportedOperationException - always
      • retainAll

        @Deprecated
        public boolean retainAll​(java.util.Collection<?> list)
        Deprecated.
        Unsupported operation.
        Specified by:
        retainAll in interface java.util.Collection<E>
        Overrides:
        retainAll in class java.util.AbstractCollection<E>
        Throws:
        java.lang.UnsupportedOperationException - always