net.ontopia.utils
Class SoftHashMap

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

All Implemented Interfaces:

java.util.Map

public class SoftHashMap
extends java.util.AbstractMap

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

Nested Class Summary

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

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

Field Summary

protected java.util.Map	hash
protected java.lang.ref.ReferenceQueue	queue

Constructor Summary

SoftHashMap()

SoftHashMap(int initialCapacity)

SoftHashMap(int initialCapacity, float loadFactor)

SoftHashMap(java.util.Map t)

Method Summary

void	clear()
boolean	containsKey(java.lang.Object key)
java.util.Set	entrySet()
java.lang.Object	get(java.lang.Object key)
boolean	isEmpty()
protected void	processQueue()
java.lang.Object	put(java.lang.Object key, java.lang.Object value)
java.lang.Object	remove(java.lang.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 java.util.Map hash

queue

protected java.lang.ref.ReferenceQueue queue

Constructor Detail

SoftHashMap

public SoftHashMap(int initialCapacity,
                   float loadFactor)

SoftHashMap

public SoftHashMap(int initialCapacity)

SoftHashMap

public SoftHashMap()

SoftHashMap

public SoftHashMap(java.util.Map t)

Method Detail

processQueue

protected void processQueue()

size

public int size()

Specified by:

size in interface java.util.Map

Overrides:

size in class java.util.AbstractMap

isEmpty

public boolean isEmpty()

Specified by:

isEmpty in interface java.util.Map

Overrides:

isEmpty in class java.util.AbstractMap

containsKey

public boolean containsKey(java.lang.Object key)

Specified by:

containsKey in interface java.util.Map

Overrides:

containsKey in class java.util.AbstractMap

get

public java.lang.Object get(java.lang.Object key)

Specified by:

get in interface java.util.Map

Overrides:

get in class java.util.AbstractMap

put

public java.lang.Object put(java.lang.Object key,
                            java.lang.Object value)

Specified by:

put in interface java.util.Map

Overrides:

put in class java.util.AbstractMap

remove

public java.lang.Object remove(java.lang.Object key)

Specified by:

remove in interface java.util.Map

Overrides:

remove in class java.util.AbstractMap

clear

public void clear()

Specified by:

clear in interface java.util.Map

Overrides:

clear in class java.util.AbstractMap

entrySet

public java.util.Set entrySet()

Specified by:

entrySet in interface java.util.Map

Specified by:

entrySet in class java.util.AbstractMap