Class PseudoSet<E>

  • Type Parameters:
    E - The element type
    All Implemented Interfaces:
    java.lang.Iterable<E>, java.util.Collection<E>, java.util.Set<E>
    Direct Known Subclasses:
    AlwaysSet

    public abstract class PseudoSet<E>
    extends java.lang.Object
    implements java.util.Set<E>
    A Set that does not actually contain objects, but provides useful results for the contains method.
    Author:
    Matthew Wakeling
    • Constructor Summary

      Constructors 
      Constructor Description
      PseudoSet()  
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean add​(E o)
      boolean addAll​(java.util.Collection<? extends E> c)
      void clear()
      boolean containsAll​(java.util.Collection<?> c)
      boolean isEmpty()
      java.util.Iterator<E> iterator()
      boolean remove​(java.lang.Object o)
      boolean removeAll​(java.util.Collection<?> c)
      boolean retainAll​(java.util.Collection<?> c)
      int size()
      java.lang.Object[] toArray()
      <T> T[] toArray​(T[] o)
      • Methods inherited from class java.lang.Object

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

        parallelStream, removeIf, stream, toArray
      • Methods inherited from interface java.lang.Iterable

        forEach
      • Methods inherited from interface java.util.Set

        contains, equals, hashCode, spliterator
    • Constructor Detail

      • PseudoSet

        public PseudoSet()
    • Method Detail

      • add

        public boolean add​(E o)
        Specified by:
        add in interface java.util.Collection<E>
        Specified by:
        add in interface java.util.Set<E>
      • addAll

        public boolean addAll​(java.util.Collection<? extends E> c)
        Specified by:
        addAll in interface java.util.Collection<E>
        Specified by:
        addAll in interface java.util.Set<E>
      • clear

        public void clear()
        Specified by:
        clear in interface java.util.Collection<E>
        Specified by:
        clear in interface java.util.Set<E>
      • containsAll

        public boolean containsAll​(java.util.Collection<?> c)
        Specified by:
        containsAll in interface java.util.Collection<E>
        Specified by:
        containsAll in interface java.util.Set<E>
      • isEmpty

        public boolean isEmpty()
        Specified by:
        isEmpty in interface java.util.Collection<E>
        Specified by:
        isEmpty in interface java.util.Set<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 interface java.util.Set<E>
      • remove

        public boolean remove​(java.lang.Object o)
        Specified by:
        remove in interface java.util.Collection<E>
        Specified by:
        remove in interface java.util.Set<E>
      • removeAll

        public boolean removeAll​(java.util.Collection<?> c)
        Specified by:
        removeAll in interface java.util.Collection<E>
        Specified by:
        removeAll in interface java.util.Set<E>
      • retainAll

        public boolean retainAll​(java.util.Collection<?> c)
        Specified by:
        retainAll in interface java.util.Collection<E>
        Specified by:
        retainAll in interface java.util.Set<E>
      • size

        public int size()
        Specified by:
        size in interface java.util.Collection<E>
        Specified by:
        size in interface java.util.Set<E>
      • toArray

        public java.lang.Object[] toArray()
        Specified by:
        toArray in interface java.util.Collection<E>
        Specified by:
        toArray in interface java.util.Set<E>
      • toArray

        public <T> T[] toArray​(T[] o)
        Specified by:
        toArray in interface java.util.Collection<E>
        Specified by:
        toArray in interface java.util.Set<E>