edu.umass.cs.utils

Class GCConcurrentHashMap<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

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

edu.umass.cs.utils.GCConcurrentHashMap<K,V>

Type Parameters:

K -

V -

All Implemented Interfaces:

java.io.Serializable, java.util.concurrent.ConcurrentMap<K,V>, java.util.Map<K,V>

public class GCConcurrentHashMap<K,V>
extends java.util.concurrent.ConcurrentHashMap<K,V>

Author:

arun

See Also:

Serialized Form

Nested Class Summary

Nested Classes

Modifier and Type	Class and Description
static class	GCConcurrentHashMap.GCConcurrentHashMapTest

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

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

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

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

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

java.util.Map.Entry<K,V>

Constructor Summary

Constructors

Constructor and Description
GCConcurrentHashMap(GCConcurrentHashMapCallback callback, long gcTimeout)
GCConcurrentHashMap(long gcTimeout)

Method Summary

Modifier and Type	Method and Description
static void	main(java.lang.String[] args)
V	put(K key, V value)
void	putAll(java.util.Map<? extends K,? extends V> map)
V	putIfAbsent(K key, V value)
V	remove(java.lang.Object key)
boolean	remove(java.lang.Object key, java.lang.Object value)
GCConcurrentHashMap<K,V>	setGCThresholdSize(int size)
GCConcurrentHashMap<K,V>	setGCTimeout(long timeout)
void	tryGC(long timeout)

Methods inherited from class java.util.concurrent.ConcurrentHashMap

clear, compute, computeIfAbsent, computeIfPresent, contains, containsKey, containsValue, elements, entrySet, equals, forEach, forEach, forEach, forEachEntry, forEachEntry, forEachKey, forEachKey, forEachValue, forEachValue, get, getOrDefault, hashCode, isEmpty, keys, keySet, keySet, mappingCount, merge, newKeySet, newKeySet, reduce, reduceEntries, reduceEntries, reduceEntriesToDouble, reduceEntriesToInt, reduceEntriesToLong, reduceKeys, reduceKeys, reduceKeysToDouble, reduceKeysToInt, reduceKeysToLong, reduceToDouble, reduceToInt, reduceToLong, reduceValues, reduceValues, reduceValuesToDouble, reduceValuesToInt, reduceValuesToLong, replace, replace, replaceAll, search, searchEntries, searchKeys, searchValues, size, toString, values

Methods inherited from class java.util.AbstractMap

clone

Methods inherited from class java.lang.Object

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

Constructor Detail

GCConcurrentHashMap

public GCConcurrentHashMap(GCConcurrentHashMapCallback callback,
                           long gcTimeout)

Parameters:

callback -

gcTimeout -

GCConcurrentHashMap

public GCConcurrentHashMap(long gcTimeout)

Parameters:

gcTimeout -

Method Detail

put

public V put(K key,
             V value)

Specified by:

put in interface java.util.Map<K,V>

Overrides:

put in class java.util.concurrent.ConcurrentHashMap<K,V>

putIfAbsent

public V putIfAbsent(K key,
                     V value)

Specified by:

putIfAbsent in interface java.util.concurrent.ConcurrentMap<K,V>

Specified by:

putIfAbsent in interface java.util.Map<K,V>

Overrides:

putIfAbsent in class java.util.concurrent.ConcurrentHashMap<K,V>

putAll

public void putAll(java.util.Map<? extends K,? extends V> map)

Specified by:

putAll in interface java.util.Map<K,V>

Overrides:

putAll in class java.util.concurrent.ConcurrentHashMap<K,V>

remove

public V remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map<K,V>

Overrides:

remove in class java.util.concurrent.ConcurrentHashMap<K,V>

setGCThresholdSize

public GCConcurrentHashMap<K,V> setGCThresholdSize(int size)

Parameters:

size -

Returns:

this

setGCTimeout

public GCConcurrentHashMap<K,V> setGCTimeout(long timeout)

Parameters:

timeout -

Returns:

this

remove

public boolean remove(java.lang.Object key,
                      java.lang.Object value)

Specified by:

remove in interface java.util.concurrent.ConcurrentMap<K,V>

Specified by:

remove in interface java.util.Map<K,V>

Overrides:

remove in class java.util.concurrent.ConcurrentHashMap<K,V>

tryGC

public void tryGC(long timeout)

Parameters:

timeout -

main

public static void main(java.lang.String[] args)

Parameters:

args -