com.arsdigita.acs
Class MemoizeCache

java.lang.Object
  |
  +--com.arsdigita.acs.MemoizeCache

public class MemoizeCache

extends java.lang.Object

Cache for memoized values. A value can be memoized with a time limit, after which it expires.

All the public methods and private members of MemoizeCache are static, since there should be only one instance of the cache for each web service instance (i.e., one per webapp context).

Field Summary

static java.lang.String

cvsId

Constructor Summary

MemoizeCache()

Method Summary

static void	cache(java.lang.String key, java.lang.Object value) Cache a value with no expiration time--i.e., forever
static void	cache(java.lang.String key, java.lang.Object value, int dur) Cache a value with a duration, in seconds.
static void	flush(java.lang.String key) Flush a value from the cache.
static java.lang.Object	lookup(java.lang.String key) Returns the cached value for key; returns null if key is unmapped or if the mapping has expired.
static void	main(java.lang.String[] args)

Methods inherited from class java.lang.Object

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

Field Detail

cvsId

public static final java.lang.String cvsId

Constructor Detail

MemoizeCache

public MemoizeCache()

Method Detail

lookup

public static java.lang.Object lookup(java.lang.String key)

Returns the cached value for key; returns null if key is unmapped or if the mapping has expired.

flush

public static void flush(java.lang.String key)

Flush a value from the cache.

cache

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

Cache a value with no expiration time--i.e., forever

cache

public static void cache(java.lang.String key,
                         java.lang.Object value,
                         int dur)

Cache a value with a duration, in seconds.

main

public static void main(java.lang.String[] args)