com.yomahub.liteflow.util

Class CopyOnWriteHashMap<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

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

com.yomahub.liteflow.util.CopyOnWriteHashMap<K,V>

All Implemented Interfaces:

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

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

A basic copy on write HashMap.

If an instance is cloned then any methods invoked on the instance or clone that result in state modification will result in copying of the state before modification.

Author:

Paul.Sandoz@Oracle.Com, pavel.bucek@oracle.com, Bryan.Zhang

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class java.util.concurrent.ConcurrentHashMap

ConcurrentHashMap.KeySetView<K,V>

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
CopyOnWriteHashMap()
CopyOnWriteHashMap(ConcurrentHashMap<K,V> that)

Method Summary

Modifier and Type	Method and Description
void	clear()
CopyOnWriteHashMap<K,V>	clone()
boolean	containsKey(Object key)
boolean	containsValue(Object value)
Set<Map.Entry<K,V>>	entrySet()
V	get(Object key)
boolean	isEmpty()
ConcurrentHashMap.KeySetView<K,V>	keySet()
V	put(K key, V value)
void	putAll(Map<? extends K,? extends V> t)
V	remove(Object key)
int	size()
String	toString()
Collection<V>	values()

Methods inherited from class java.util.concurrent.ConcurrentHashMap

compute, computeIfAbsent, computeIfPresent, contains, elements, equals, forEach, forEach, forEach, forEachEntry, forEachEntry, forEachKey, forEachKey, forEachValue, forEachValue, getOrDefault, hashCode, keys, keySet, mappingCount, merge, newKeySet, newKeySet, putIfAbsent, reduce, reduceEntries, reduceEntries, reduceEntriesToDouble, reduceEntriesToInt, reduceEntriesToLong, reduceKeys, reduceKeys, reduceKeysToDouble, reduceKeysToInt, reduceKeysToLong, reduceToDouble, reduceToInt, reduceToLong, reduceValues, reduceValues, reduceValuesToDouble, reduceValuesToInt, reduceValuesToLong, remove, replace, replace, replaceAll, search, searchEntries, searchKeys, searchValues

Methods inherited from class java.lang.Object

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

Constructor Detail

CopyOnWriteHashMap

public CopyOnWriteHashMap(ConcurrentHashMap<K,V> that)

CopyOnWriteHashMap

public CopyOnWriteHashMap()

Method Detail

clone

public CopyOnWriteHashMap<K,V> clone()

Overrides:

clone in class AbstractMap<K,V>

size

public int size()

Specified by:

size in interface Map<K,V>

Overrides:

size in class ConcurrentHashMap<K,V>

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map<K,V>

Overrides:

isEmpty in class ConcurrentHashMap<K,V>

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map<K,V>

Overrides:

containsKey in class ConcurrentHashMap<K,V>

containsValue

public boolean containsValue(Object value)

Specified by:

containsValue in interface Map<K,V>

Overrides:

containsValue in class ConcurrentHashMap<K,V>

get

public V get(Object key)

Specified by:

get in interface Map<K,V>

Overrides:

get in class ConcurrentHashMap<K,V>

keySet

public ConcurrentHashMap.KeySetView<K,V> keySet()

Specified by:

keySet in interface Map<K,V>

Overrides:

keySet in class ConcurrentHashMap<K,V>

values

public Collection<V> values()

Specified by:

values in interface Map<K,V>

Overrides:

values in class ConcurrentHashMap<K,V>

entrySet

public Set<Map.Entry<K,V>> entrySet()

Specified by:

entrySet in interface Map<K,V>

Overrides:

entrySet in class ConcurrentHashMap<K,V>

toString

public String toString()

Overrides:

toString in class ConcurrentHashMap<K,V>

put

public V put(K key,
             V value)

Specified by:

put in interface Map<K,V>

Overrides:

put in class ConcurrentHashMap<K,V>

remove

public V remove(Object key)

Specified by:

remove in interface Map<K,V>

Overrides:

remove in class ConcurrentHashMap<K,V>

putAll

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

Specified by:

putAll in interface Map<K,V>

Overrides:

putAll in class ConcurrentHashMap<K,V>

clear

public void clear()

Specified by:

clear in interface Map<K,V>

Overrides:

clear in class ConcurrentHashMap<K,V>