com.sun.labs.minion.util
Class Cache

java.lang.Object
  com.sun.labs.minion.util.Cache

public abstract class Cache
extends java.lang.Object

Field Summary

protected int

size The number of entries to store in the cache.

Constructor Summary

Cache(int size)

Method Summary

abstract void	cache(java.lang.Object key, java.lang.Object value) Caches a value under a given key.
abstract void	clear() Clears out the cache.
abstract java.lang.Object	get(java.lang.Object key) Gets the value corresponding to a given key.
int	getSize() Gets the size of the cache.

Methods inherited from class java.lang.Object

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

Field Detail

size

protected int size

The number of entries to store in the cache.

Constructor Detail

Cache

public Cache(int size)

Method Detail

cache

public abstract void cache(java.lang.Object key,
                           java.lang.Object value)

Caches a value under a given key.

get

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

Gets the value corresponding to a given key.

Returns:

the corresponding value, or null if the value is not cached.

clear

public abstract void clear()

Clears out the cache.

getSize

public int getSize()

Gets the size of the cache.