org.jruby.util.collections

Class WeakHashSet<T>

java.lang.Object

org.jruby.util.collections.WeakHashSet<T>

All Implemented Interfaces:

java.lang.Cloneable, java.lang.Iterable<T>, java.util.Collection<T>, java.util.Set<T>

public class WeakHashSet<T>
extends java.lang.Object
implements java.util.Set<T>, java.lang.Cloneable

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

Author:

Robert Egglestone

See Also:

WeakHashMap, HashSet

Constructor Summary

Constructors

Constructor and Description
WeakHashSet()
WeakHashSet(int size)

Method Summary

Modifier and Type	Method and Description
boolean	add(T o)
boolean	addAll(java.util.Collection<? extends T> coll)
void	clear()
WeakHashSet<T>	clone()
boolean	contains(java.lang.Object o)
boolean	containsAll(java.util.Collection<?> coll)
boolean	equals(java.lang.Object o)
int	hashCode()
boolean	isEmpty()
java.util.Iterator<T>	iterator()
boolean	remove(java.lang.Object o)
boolean	removeAll(java.util.Collection<?> coll)
boolean	retainAll(java.util.Collection<?> coll)
int	size()
java.lang.Object[]	toArray()
<T> T[]	toArray(T[] arr)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Set

spliterator

Methods inherited from interface java.util.Collection

parallelStream, removeIf, stream

Methods inherited from interface java.lang.Iterable

forEach

Constructor Detail

WeakHashSet

public WeakHashSet()

WeakHashSet

public WeakHashSet(int size)

Method Detail

add

public boolean add(T o)

Specified by:

add in interface java.util.Collection<T>

Specified by:

add in interface java.util.Set<T>

remove

public boolean remove(java.lang.Object o)

Specified by:

remove in interface java.util.Collection<T>

Specified by:

remove in interface java.util.Set<T>

iterator

public java.util.Iterator<T> iterator()

Specified by:

iterator in interface java.lang.Iterable<T>

Specified by:

iterator in interface java.util.Collection<T>

Specified by:

iterator in interface java.util.Set<T>

size

public int size()

Specified by:

size in interface java.util.Collection<T>

Specified by:

size in interface java.util.Set<T>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Collection<T>

Specified by:

isEmpty in interface java.util.Set<T>

clear

public void clear()

Specified by:

clear in interface java.util.Collection<T>

Specified by:

clear in interface java.util.Set<T>

contains

public boolean contains(java.lang.Object o)

Specified by:

contains in interface java.util.Collection<T>

Specified by:

contains in interface java.util.Set<T>

containsAll

public boolean containsAll(java.util.Collection<?> coll)

Specified by:

containsAll in interface java.util.Collection<T>

Specified by:

containsAll in interface java.util.Set<T>

removeAll

public boolean removeAll(java.util.Collection<?> coll)

Specified by:

removeAll in interface java.util.Collection<T>

Specified by:

removeAll in interface java.util.Set<T>

retainAll

public boolean retainAll(java.util.Collection<?> coll)

Specified by:

retainAll in interface java.util.Collection<T>

Specified by:

retainAll in interface java.util.Set<T>

addAll

public boolean addAll(java.util.Collection<? extends T> coll)

Specified by:

addAll in interface java.util.Collection<T>

Specified by:

addAll in interface java.util.Set<T>

toArray

public java.lang.Object[] toArray()

Specified by:

toArray in interface java.util.Collection<T>

Specified by:

toArray in interface java.util.Set<T>

toArray

public <T> T[] toArray(T[] arr)

Specified by:

toArray in interface java.util.Collection<T>

Specified by:

toArray in interface java.util.Set<T>

equals

public boolean equals(java.lang.Object o)

Specified by:

equals in interface java.util.Collection<T>

Specified by:

equals in interface java.util.Set<T>

Overrides:

equals in class java.lang.Object

hashCode

public int hashCode()

Specified by:

hashCode in interface java.util.Collection<T>

Specified by:

hashCode in interface java.util.Set<T>

Overrides:

hashCode in class java.lang.Object

clone

public WeakHashSet<T> clone()

Overrides:

clone in class java.lang.Object

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object