Class MapBackedSet<E>

  • Type Parameters:
    E - The element stored in the set
    All Implemented Interfaces:
    java.io.Serializable, java.lang.Iterable<E>, java.util.Collection<E>, java.util.Set<E>
    Direct Known Subclasses:
    ConcurrentHashSet, IdentityHashSet

    public class MapBackedSet<E>
    extends java.util.AbstractSet<E>
    implements java.io.Serializable
    A Map-backed Set.
    Author:
    Apache MINA Project
    See Also:
    Serialized Form
    • Field Summary

      Fields 
      Modifier and Type Field Description
      protected java.util.Map<E,​java.lang.Boolean> map  
    • Constructor Summary

      Constructors 
      Constructor Description
      MapBackedSet​(java.util.Map<E,​java.lang.Boolean> map)
      Creates a new MapBackedSet instance
      MapBackedSet​(java.util.Map<E,​java.lang.Boolean> map, java.util.Collection<E> c)
      Creates a new MapBackedSet instance
    • Method Summary

      All Methods Instance Methods Concrete Methods 
      Modifier and Type Method Description
      boolean add​(E o)
      void clear()
      boolean contains​(java.lang.Object o)
      java.util.Iterator<E> iterator()
      boolean remove​(java.lang.Object o)
      int size()
      • Methods inherited from class java.util.AbstractSet

        equals, hashCode, removeAll
      • Methods inherited from class java.util.AbstractCollection

        addAll, containsAll, isEmpty, retainAll, toArray, toArray, toString
      • Methods inherited from class java.lang.Object

        clone, finalize, getClass, notify, notifyAll, 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

        addAll, containsAll, isEmpty, retainAll, spliterator, toArray, toArray
    • Field Detail

      • map

        protected final java.util.Map<E,​java.lang.Boolean> map
    • Constructor Detail

      • MapBackedSet

        public MapBackedSet​(java.util.Map<E,​java.lang.Boolean> map)
        Creates a new MapBackedSet instance
        Parameters:
        map - The map that we want to back
      • MapBackedSet

        public MapBackedSet​(java.util.Map<E,​java.lang.Boolean> map,
                            java.util.Collection<E> c)
        Creates a new MapBackedSet instance
        Parameters:
        map - The map that we want to back
        c - The elements we want to add in the map
    • Method Detail

      • size

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

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

        public boolean add​(E o)
        Specified by:
        add in interface java.util.Collection<E>
        Specified by:
        add in interface java.util.Set<E>
        Overrides:
        add in class java.util.AbstractCollection<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>
        Overrides:
        remove in class java.util.AbstractCollection<E>
      • clear

        public void clear()
        Specified by:
        clear in interface java.util.Collection<E>
        Specified by:
        clear in interface java.util.Set<E>
        Overrides:
        clear in class java.util.AbstractCollection<E>