java.util.concurrent

Class ConcurrentHashMap<K,V>

java.lang.Object

java.util.AbstractMap<TypeK,TypeV>

org.cliffc.high_scale_lib.NonBlockingHashMap<K,V>

java.util.concurrent.ConcurrentHashMap<K,V>

Type Parameters:

K - the type of keys maintained by this map

V - the type of mapped values

All Implemented Interfaces:

Serializable, Cloneable, ConcurrentMap<K,V>, Map<K,V>

public class ConcurrentHashMap<K,V>
extends NonBlockingHashMap<K,V>

A plug-in replacement for JDK1.5 ConcurrentHashMap. This version is based on NonBlockingHashMap. This solution should be completely compatible, including the serialized forms and all multi-threaded ordering guarantees.

Since:

1.5

Author:

Cliff Click

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.AbstractMap

AbstractMap.SimpleEntry<K,V>, AbstractMap.SimpleImmutableEntry<K,V>

Nested classes/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
ConcurrentHashMap()
ConcurrentHashMap(int initialCapacity)
ConcurrentHashMap(int initialCapacity, float loadFactor, int concurrencyLevel)
ConcurrentHashMap(Map<? extends K,? extends V> t)

Method Summary

Methods inherited from class org.cliffc.high_scale_lib.NonBlockingHashMap

clear, clone, contains, containsKey, containsValue, elements, entrySet, get, initialize, isEmpty, keys, keySet, print, put, putAll, putIfAbsent, rehash, remove, remove, replace, replace, reprobes, size, toString, values

Methods inherited from class java.util.AbstractMap

equals, hashCode

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

equals, hashCode

Constructor Detail

ConcurrentHashMap

public ConcurrentHashMap()

ConcurrentHashMap

public ConcurrentHashMap(int initialCapacity)

ConcurrentHashMap

public ConcurrentHashMap(int initialCapacity,
                 float loadFactor,
                 int concurrencyLevel)

ConcurrentHashMap

public ConcurrentHashMap(Map<? extends K,? extends V> t)