| java.lang.Object
 org.apache.oro.util.GenericCache
org.apache.oro.util.CacheFIFO2
| CacheFIFO2 | | final public class CacheFIFO2 extends GenericCache (Code) | | This class is a GenericCache subclass implementing a second
chance FIFO (First In First Out) cache replacement policy. In other
words, values are added to the cache until the cache becomes full.
Once the cache is full, when a new value is added to the cache, it
replaces the first of the current values in the cache to have been
added, unless that value has been used recently (generally
between the last cache replacement and now).
If the value to be replaced has been used, it is given
a second chance, and the next value in the cache is tested for
replacement in the same manner. If all the values are given a
second chance, then the original pattern selected for replacement is
replaced.
version:
@version@
since:
1.0
See Also: GenericCache |
| Constructor Summary | |
| public | CacheFIFO2(int capacity)
Creates a CacheFIFO2 instance with a given cache capacity. | | public | CacheFIFO2()
|
| CacheFIFO2 | | public CacheFIFO2(int capacity)(Code) | | Creates a CacheFIFO2 instance with a given cache capacity.
Parameters:
capacity - The capacity of the cache. |
| CacheFIFO2 | | public CacheFIFO2()(Code) | | Same as:
CacheFIFO2(GenericCache.DEFAULT_CAPACITY);
|
| addElement | | final public synchronized void addElement(Object key, Object value)(Code) | | Adds a value to the cache. If the cache is full, when a new value
is added to the cache, it replaces the first of the current values
in the cache to have been added (i.e., FIFO2).
Parameters:
key - The key referencing the value added to the cache.
Parameters:
value - The value to add to the cache. |
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