org.biojava.nbio.core.util

Class SoftHashMap<K,V>

java.lang.Object

java.util.AbstractMap<K,V>

org.biojava.nbio.core.util.SoftHashMap<K,V>

All Implemented Interfaces:

Map<K,V>

public class SoftHashMap<K,V>
extends AbstractMap<K,V>

A in memory cache using soft references. (can be garbage collected) This code is based on: http://java-interview-faqs.blogspot.com/2008/09/building-faster-and-efficient-cache.html

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>

Field Summary

Fields

Modifier and Type	Field and Description
static int	DEFAULT_LIMIT

Constructor Summary

Constructors

Constructor and Description
SoftHashMap()
SoftHashMap(int hardSize)

Method Summary

Modifier and Type	Method and Description
void	clear()
Set<Map.Entry<K,V>>	entrySet()
V	get(Object key)
V	put(K key, V value) Here we put the key, value pair into the HashMap using a SoftValue object.
V	remove(Object key)
int	size()

Methods inherited from class java.util.AbstractMap

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

Methods inherited from class java.lang.Object

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

Methods inherited from interface java.util.Map

compute, computeIfAbsent, computeIfPresent, forEach, getOrDefault, merge, putIfAbsent, remove, replace, replace, replaceAll

Field Detail

DEFAULT_LIMIT

public static final int DEFAULT_LIMIT

See Also:

Constant Field Values

Constructor Detail

SoftHashMap

public SoftHashMap()

SoftHashMap

public SoftHashMap(int hardSize)

Method Detail

get

public V get(Object key)

Specified by:

get in interface Map<K,V>

Overrides:

get in class AbstractMap<K,V>

put

public V put(K key,
             V value)

Here we put the key, value pair into the HashMap using a SoftValue object.

Specified by:

put in interface Map<K,V>

Overrides:

put in class AbstractMap<K,V>

remove

public V remove(Object key)

Specified by:

remove in interface Map<K,V>

Overrides:

remove in class AbstractMap<K,V>

clear

public void clear()

Specified by:

clear in interface Map<K,V>

Overrides:

clear in class AbstractMap<K,V>

size

public int size()

Specified by:

size in interface Map<K,V>

Overrides:

size in class AbstractMap<K,V>

entrySet

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

Specified by:

entrySet in interface Map<K,V>

Specified by:

entrySet in class AbstractMap<K,V>