org.apache.oro.util
Class CacheFIFO

java.lang.Object
  org.apache.oro.util.GenericCache
      org.apache.oro.util.CacheFIFO

All Implemented Interfaces:

Cache, java.io.Serializable

public final class CacheFIFO

extends GenericCache

This class is a GenericCache subclass implementing a 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, if a new pattern is added to the cache, it replaces the first of the current patterns in the cache to have been added.

Since:

1.0

Version:

2.0.9-dev-1

See Also:

GenericCache, Serialized Form

Field Summary

Fields inherited from class org.apache.oro.util.GenericCache

DEFAULT_CAPACITY

Constructor Summary

CacheFIFO()
Same as:

CacheFIFO(int capacity)
Creates a CacheFIFO instance with a given cache capacity.

Method Summary

void	addElement(java.lang.Object key, java.lang.Object value) Adds a value to the cache.

Methods inherited from class org.apache.oro.util.GenericCache

capacity, getElement, isFull, keys, size

Methods inherited from class java.lang.Object

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

Constructor Detail

CacheFIFO

public CacheFIFO(int capacity)

Creates a CacheFIFO instance with a given cache capacity.

Parameters:

capacity - The capacity of the cache.

CacheFIFO

public CacheFIFO()

Same as:

 CacheFIFO(GenericCache.DEFAULT_CAPACITY);
 

Method Detail

addElement

public final void addElement(java.lang.Object key,
                             java.lang.Object value)

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., FIFO).

Specified by:

addElement in interface Cache

Specified by:

addElement in class GenericCache

Parameters:

key - The key referencing the value added to the cache.

value - The value to add to the cache.