net.ontopia.utils
Class SoftHashMap

java.lang.Object
  java.util.AbstractMap
      net.ontopia.utils.SoftHashMap

All Implemented Interfaces:

Map

public class SoftHashMap
extends AbstractMap

INTERNAL: A Map implementation that uses SoftReferences to reference keys.

Nested Class Summary

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

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

Field Summary

protected Map	hash
protected ReferenceQueue	queue

Constructor Summary

SoftHashMap()

SoftHashMap(int initialCapacity)

SoftHashMap(int initialCapacity, float loadFactor)

SoftHashMap(Map t)

Method Summary

void	clear()
boolean	containsKey(Object key)
Set	entrySet()
Object	get(Object key)
boolean	isEmpty()
protected void	processQueue()
Object	put(Object key, Object value)
Object	remove(Object key)
int	size()

Methods inherited from class java.util.AbstractMap

clone, containsValue, equals, hashCode, keySet, putAll, toString, values

Methods inherited from class java.lang.Object

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

Field Detail

hash

protected Map hash

queue

protected ReferenceQueue queue

Constructor Detail

SoftHashMap

public SoftHashMap(int initialCapacity,
                   float loadFactor)

SoftHashMap

public SoftHashMap(int initialCapacity)

SoftHashMap

public SoftHashMap()

SoftHashMap

public SoftHashMap(Map t)

Method Detail

processQueue

protected void processQueue()

size

public int size()

Specified by:

size in interface Map

Overrides:

size in class AbstractMap

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface Map

Overrides:

isEmpty in class AbstractMap

containsKey

public boolean containsKey(Object key)

Specified by:

containsKey in interface Map

Overrides:

containsKey in class AbstractMap

get

public Object get(Object key)

Specified by:

get in interface Map

Overrides:

get in class AbstractMap

put

public Object put(Object key,
                  Object value)

Specified by:

put in interface Map

Overrides:

put in class AbstractMap

remove

public Object remove(Object key)

Specified by:

remove in interface Map

Overrides:

remove in class AbstractMap

clear

public void clear()

Specified by:

clear in interface Map

Overrides:

clear in class AbstractMap

entrySet

public Set entrySet()

Specified by:

entrySet in interface Map

Specified by:

entrySet in class AbstractMap