org.cdlib.xtf.cache

Class StringCache

Object

Cache<K,V>

SimpleCache

StringCache

public class StringCache
extends SimpleCache

This class caches mappings from a string to a string.

Nested Class Summary

Nested classes/interfaces inherited from class Cache

Cache.ListEntry, Cache.NullIterator

Field Summary

Fields

Modifier and Type	Field and Description
String	cacheName Name of the cache, printed by logAction()

Fields inherited from class Cache

ageList, keyMap

Constructor Summary

Constructors

Constructor and Description
StringCache(String cacheName, int maxEntries, int maxTime) Constructor - establishes the cache.

Method Summary

Modifier and Type	Method and Description
String	get(String key) Get the value corresponding to the given key
protected void	logAction(String action, Object key, Object value) Print out useful debug info

Methods inherited from class SimpleCache

addDependency, get, set, set

Methods inherited from class Cache

cleanup, clear, dependenciesValid, getDependencies, has, lastSet, remove, size

Methods inherited from class Object

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

Field Detail

cacheName

public String cacheName

Name of the cache, printed by logAction()

Constructor Detail

StringCache

public StringCache(String cacheName,
                   int maxEntries,
                   int maxTime)

Constructor - establishes the cache.

Parameters:

cacheName - Name to print out in logAction()

maxEntries - Max # of entries before old ones are flushed.

maxTime - Max age (in seconds) of entries before flushed.

Method Detail

get

public String get(String key)

Get the value corresponding to the given key

Parameters:

key - The key to look for

Returns:

Corresponding value, or null if key not found.

logAction

protected void logAction(String action,
                         Object key,
                         Object value)

Print out useful debug info

Overrides:

logAction in class Cache

Parameters:

action - What happened ("Added", "Removed", etc.)

key - The key involved in the action

value - The value involved in the action