com.alipay.remoting.util
Class ConcurrentHashSet<E>

java.lang.Object
  extended by java.util.AbstractCollection<E>
      extended by java.util.AbstractSet<E>
          extended by com.alipay.remoting.util.ConcurrentHashSet<E>
All Implemented Interfaces:
Iterable<E>, Collection<E>, Set<E>

public class ConcurrentHashSet<E>
extends AbstractSet<E>

Concurrent hash set.


Constructor Summary
ConcurrentHashSet()
          constructor
 
Method Summary
 boolean add(E o)
          add an obj to set, if exist, return false, else return true
 void clear()
          clear the set
 boolean contains(Object o)
           
 Iterator<E> iterator()
           
 boolean remove(Object o)
           
 int size()
          return the size of the map
 
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.Set
addAll, containsAll, isEmpty, retainAll, toArray, toArray
 

Constructor Detail

ConcurrentHashSet

public ConcurrentHashSet()
constructor

Method Detail

size

public int size()
return the size of the map

Specified by:
size in interface Collection<E>
Specified by:
size in interface Set<E>
Specified by:
size in class AbstractCollection<E>
See Also:
AbstractCollection.size()

contains

public boolean contains(Object o)
Specified by:
contains in interface Collection<E>
Specified by:
contains in interface Set<E>
Overrides:
contains in class AbstractCollection<E>
See Also:
AbstractCollection.contains(java.lang.Object)

iterator

public Iterator<E> iterator()
Specified by:
iterator in interface Iterable<E>
Specified by:
iterator in interface Collection<E>
Specified by:
iterator in interface Set<E>
Specified by:
iterator in class AbstractCollection<E>
See Also:
AbstractCollection.iterator()

add

public boolean add(E o)
add an obj to set, if exist, return false, else return true

Specified by:
add in interface Collection<E>
Specified by:
add in interface Set<E>
Overrides:
add in class AbstractCollection<E>
See Also:
AbstractCollection.add(java.lang.Object)

remove

public boolean remove(Object o)
Specified by:
remove in interface Collection<E>
Specified by:
remove in interface Set<E>
Overrides:
remove in class AbstractCollection<E>
See Also:
AbstractCollection.remove(java.lang.Object)

clear

public void clear()
clear the set

Specified by:
clear in interface Collection<E>
Specified by:
clear in interface Set<E>
Overrides:
clear in class AbstractCollection<E>
See Also:
AbstractCollection.clear()


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