org.apache.jcs.engine.memory.fifo
Class FIFOMemoryCache

java.lang.Object
  org.apache.jcs.engine.memory.AbstractMemoryCache
      org.apache.jcs.engine.memory.AbstractDoulbeLinkedListMemoryCache
          org.apache.jcs.engine.memory.fifo.FIFOMemoryCache

All Implemented Interfaces:

java.io.Serializable, IMemoryCache, MemoryCache

public class FIFOMemoryCache
extends AbstractDoulbeLinkedListMemoryCache

The items are spooled in the order they are added. No adjustments to the list are make on get.

See Also:

Serialized Form

Nested Class Summary

Nested classes/interfaces inherited from class org.apache.jcs.engine.memory.AbstractDoulbeLinkedListMemoryCache

AbstractDoulbeLinkedListMemoryCache.IteratorWrapper, AbstractDoulbeLinkedListMemoryCache.MapEntryWrapper

Field Summary

Fields inherited from class org.apache.jcs.engine.memory.AbstractDoulbeLinkedListMemoryCache

hitCnt, list, missCnt

Fields inherited from class org.apache.jcs.engine.memory.AbstractMemoryCache

attr, cache, cacheName, cattr, chunkSize, map, status

Constructor Summary

FIFOMemoryCache()

Method Summary

protected void	adjustListForGet(MemoryElementDescriptor me) Does nothing.
protected MemoryElementDescriptor	adjustListForUpdate(ICacheElement ce) Puts an item to the cache.

Methods inherited from class org.apache.jcs.engine.memory.AbstractDoulbeLinkedListMemoryCache

addFirst, addLast, createMap, dumpCacheEntries, dumpCacheSize, dumpMap, freeElements, get, getIterator, getKeyArray, getStatistics, initialize, remove, removeAll, spoolLastElement, update, verifyCache

Methods inherited from class org.apache.jcs.engine.memory.AbstractMemoryCache

dispose, getCacheAttributes, getCacheName, getCompositeCache, getGroupKeys, getMultiple, getQuiet, getSize, getStatus, setCacheAttributes, waterfal

Methods inherited from class java.lang.Object

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

Constructor Detail

FIFOMemoryCache

public FIFOMemoryCache()

Method Detail

adjustListForUpdate

protected MemoryElementDescriptor adjustListForUpdate(ICacheElement ce)
                                               throws java.io.IOException

Puts an item to the cache. Removes any pre-existing entries of the same key from the linked list and adds this one first.

Specified by:

adjustListForUpdate in class AbstractDoulbeLinkedListMemoryCache

Parameters:

ce - The cache element, or entry wrapper

Returns:

MemoryElementDescriptor the new node

Throws:

java.io.IOException

adjustListForGet

protected void adjustListForGet(MemoryElementDescriptor me)

Does nothing.

Specified by:

adjustListForGet in class AbstractDoulbeLinkedListMemoryCache

Parameters:

me -