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Java Source Code / Java Documentation » Net » openfire » org.jivesoftware.util 
Source Cross Reference  Class Diagram Java Document (Java Doc) 


org.jivesoftware.util.ConcurrentHashSet

ConcurrentHashSet
public class ConcurrentHashSet extends AbstractSet implements Set<E>,Cloneable,java.io.Serializable(Code)
This class implements the Set interface, backed by a ConcurrentHashMap instance.
author:
   Matt Tucker



Constructor Summary
public  ConcurrentHashSet()
     Constructs a new, empty set; the backing ConcurrentHashMap instance has default initial capacity (16) and load factor (0.75).
public  ConcurrentHashSet(Collection<? extends E> c)
     Constructs a new set containing the elements in the specified collection.
public  ConcurrentHashSet(int initialCapacity, float loadFactor)
     Constructs a new, empty set; the backing ConcurrentHashMap instance has the specified initial capacity and the specified load factor.
public  ConcurrentHashSet(int initialCapacity)
     Constructs a new, empty set; the backing HashMap instance has the specified initial capacity and default load factor, which is 0.75.

Method Summary
public  booleanadd(E o)
    
public  voidclear()
    
public  Objectclone()
    
public  booleancontains(Object o)
    
public  booleanisEmpty()
    
public  Iterator<E>iterator()
    
public  booleanremove(Object o)
    
public  intsize()
    


Constructor Detail
ConcurrentHashSet
public ConcurrentHashSet()(Code)
Constructs a new, empty set; the backing ConcurrentHashMap instance has default initial capacity (16) and load factor (0.75).



ConcurrentHashSet
public ConcurrentHashSet(Collection<? extends E> c)(Code)
Constructs a new set containing the elements in the specified collection. The ConcurrentHashMap is created with default load factor (0.75) and an initial capacity sufficient to contain the elements in the specified collection.
Parameters:
  c - the collection whose elements are to be placed into this set.
throws:
  NullPointerException - if the specified collection is null.



ConcurrentHashSet
public ConcurrentHashSet(int initialCapacity, float loadFactor)(Code)
Constructs a new, empty set; the backing ConcurrentHashMap instance has the specified initial capacity and the specified load factor.
Parameters:
  initialCapacity - the initial capacity of the hash map.
Parameters:
  loadFactor - the load factor of the hash map.
throws:
  IllegalArgumentException - if the initial capacity is lessthan zero, or if the load factor is nonpositive.



ConcurrentHashSet
public ConcurrentHashSet(int initialCapacity)(Code)
Constructs a new, empty set; the backing HashMap instance has the specified initial capacity and default load factor, which is 0.75.
Parameters:
  initialCapacity - the initial capacity of the hash table.
throws:
  IllegalArgumentException - if the initial capacity is lessthan zero.




Method Detail
add
public boolean add(E o)(Code)



clear
public void clear()(Code)



clone
public Object clone()(Code)



contains
public boolean contains(Object o)(Code)



isEmpty
public boolean isEmpty()(Code)



iterator
public Iterator<E> iterator()(Code)



remove
public boolean remove(Object o)(Code)



size
public int size()(Code)



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