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org.modama.tools
Class Cache  

java.lang.Object
  org.modama.tools.Cache

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public class Cache

extends java.lang.Object

an abstract base clase that hase a static create method where an object is created from a given object, the new created object is cached in a hashmap using the hashcode of the fiven object as key

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Nested Class Summary
static class	Cache.CacheElement           a element in the cache with the time of last use and creation

 

Field Summary
protected static java.util.HashMap	cach           a hashmap where the hashcode of the originsl image is the key for the thumbnail
protected static int	CLEANUP           every this value times the create method is used old elements are removed from the cache
protected static int	cnt           a counter that is incremented each time a thumbnail is requested
protected static long	OLDERTHEN           elements older than 10 minutes are removes

 

Constructor Summary

Cache()

 

Method Summary
static void	add(java.lang.Object key, java.lang.Object value)           adds a key value pair to the cache
static void	clearCache()           clears the complete cache
static void	clearCache(long olderthen)           clears all elements older the olderthen
static void	clearCache(java.lang.Object key)           clears the cache for the given object
protected static void	create()           call this in your create method, it runs the cleanup
static java.util.List	getCached(java.lang.Object key)

 

Methods inherited from class java.lang.Object

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

 

Field Detail

CLEANUP

protected static final int CLEANUP

every this value times the create method is used old elements are removed from the cache

See Also:

Constant Field Values

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OLDERTHEN

protected static final long OLDERTHEN

elements older than 10 minutes are removes

See Also:

Constant Field Values

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cach

protected static java.util.HashMap cach

a hashmap where the hashcode of the originsl image is the key for the thumbnail

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cnt

protected static int cnt

a counter that is incremented each time a thumbnail is requested

Constructor Detail

Cache

public Cache()

Method Detail

clearCache

public static void clearCache()

clears the complete cache

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clearCache

public static void clearCache(java.lang.Object key)

clears the cache for the given object

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clearCache

public static void clearCache(long olderthen)

clears all elements older the olderthen

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create

protected static void create()

call this in your create method, it runs the cleanup

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add

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

adds a key value pair to the cache

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getCached

public static java.util.List getCached(java.lang.Object key)

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Overview  Package   Class  Use  Deprecated  Index
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