org.jruby.util.collections
Class WeakHashSet

java.lang.Object
  java.util.AbstractCollection
      java.util.AbstractSet
          org.jruby.util.collections.WeakHashSet

All Implemented Interfaces:

java.lang.Iterable, java.util.Collection, java.util.Set

public class WeakHashSet
extends java.util.AbstractSet

A simple set that uses weak references to ensure that its elements can be garbage collected. See WeakHashMap.

Author:

Robert Egglestone

Constructor Summary

WeakHashSet()

Method Summary

boolean	add(java.lang.Object o)
void	clear()
boolean	contains(java.lang.Object o)
boolean	isEmpty()
java.util.Iterator	iterator()
boolean	remove(java.lang.Object o)
boolean	removeAll(java.util.Collection collection)
boolean	retainAll(java.util.Collection collection)
int	size()

Methods inherited from class java.util.AbstractSet

equals, hashCode

Methods inherited from class java.util.AbstractCollection

addAll, containsAll, toArray, toArray, toString

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Set

addAll, containsAll, toArray, toArray

Constructor Detail

WeakHashSet

public WeakHashSet()

Method Detail

add

public boolean add(java.lang.Object o)

Specified by:

add in interface java.util.Collection

Specified by:

add in interface java.util.Set

Overrides:

add in class java.util.AbstractCollection

iterator

public java.util.Iterator iterator()

Specified by:

iterator in interface java.lang.Iterable

Specified by:

iterator in interface java.util.Collection

Specified by:

iterator in interface java.util.Set

Specified by:

iterator in class java.util.AbstractCollection

size

public int size()

Specified by:

size in interface java.util.Collection

Specified by:

size in interface java.util.Set

Specified by:

size in class java.util.AbstractCollection

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Collection

Specified by:

isEmpty in interface java.util.Set

Overrides:

isEmpty in class java.util.AbstractCollection

contains

public boolean contains(java.lang.Object o)

Specified by:

contains in interface java.util.Collection

Specified by:

contains in interface java.util.Set

Overrides:

contains in class java.util.AbstractCollection

remove

public boolean remove(java.lang.Object o)

Specified by:

remove in interface java.util.Collection

Specified by:

remove in interface java.util.Set

Overrides:

remove in class java.util.AbstractCollection

removeAll

public boolean removeAll(java.util.Collection collection)

Specified by:

removeAll in interface java.util.Collection

Specified by:

removeAll in interface java.util.Set

Overrides:

removeAll in class java.util.AbstractSet

retainAll

public boolean retainAll(java.util.Collection collection)

Specified by:

retainAll in interface java.util.Collection

Specified by:

retainAll in interface java.util.Set

Overrides:

retainAll in class java.util.AbstractCollection

clear

public void clear()

Specified by:

clear in interface java.util.Collection

Specified by:

clear in interface java.util.Set

Overrides:

clear in class java.util.AbstractCollection