net.ontopia.topicmaps.impl.utils
Class StatisticsIndex<K,V>

java.lang.Object
  net.ontopia.topicmaps.impl.utils.StatisticsIndex<K,V>

All Implemented Interfaces:

LookupIndexIF<K,V>

public class StatisticsIndex<K,V>
extends java.lang.Object
implements LookupIndexIF<K,V>

INTERNAL: A lookup index that transforms its entry values to and from SoftReferences. Storage of the actual value is delegated to the nested index.

Field Summary

protected int	hits
protected LookupIndexIF<K,java.lang.ref.Reference<V>>	index
protected int	misses
protected int	misses_deref
protected java.lang.String	name
protected int	total

Constructor Summary

StatisticsIndex(java.lang.String name, LookupIndexIF<K,java.lang.ref.Reference<V>> index)

Method Summary

void	dump()
V	get(K key)
protected int	percent(int c, int total)
V	put(K key, V value)
V	remove(K key)

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

total

protected int total

hits

protected int hits

misses

protected int misses

misses_deref

protected int misses_deref

name

protected java.lang.String name

index

protected LookupIndexIF<K,java.lang.ref.Reference<V>> index

Constructor Detail

StatisticsIndex

public StatisticsIndex(java.lang.String name,
                       LookupIndexIF<K,java.lang.ref.Reference<V>> index)

Method Detail

get

public V get(K key)

Specified by:

get in interface LookupIndexIF<K,V>

put

public V put(K key,
             V value)

Specified by:

put in interface LookupIndexIF<K,V>

remove

public V remove(K key)

Specified by:

remove in interface LookupIndexIF<K,V>

percent

protected int percent(int c,
                      int total)

dump

public void dump()