org.mmbase.cache
Class AggregatedResultCache

java.lang.Object
  java.util.Dictionary
      java.util.Hashtable
          org.mmbase.util.LRUHashtable
              org.mmbase.cache.Cache
                  org.mmbase.cache.QueryResultCache
                      org.mmbase.cache.AggregatedResultCache

All Implemented Interfaces:

java.lang.Cloneable, java.util.Map, java.io.Serializable, SizeMeasurable

public class AggregatedResultCache

extends QueryResultCache

Cache for queries like SELECT COUNT(number) AS number FROM mm_news news.

Since:

MMBase-1.7

Version:

$Id: AggregatedResultCache.java,v 1.2 2003/08/29 12:12:27 keesj Exp $

Author:

Michiel Meeuwissen

See Also:

BasicCloud.getList(org.mmbase.bridge.Query), Serialized Form

To Do:

It is odd that this query cache is called in the bridge implementation and not in the core.

Nested Class Summary

Nested classes inherited from class org.mmbase.util.LRUHashtable

LRUHashtable.LRUEntry, LRUHashtable.LRUEntrySet, LRUHashtable.LRUEntrySetIterator

Field Summary

Fields inherited from class org.mmbase.cache.Cache

maxEntrySize

Method Summary

static AggregatedResultCache	getCache()
java.lang.String	getDescription() Gives a description for this cache type.
java.lang.String	getName() Returns a name for this cache type.

Methods inherited from class org.mmbase.cache.QueryResultCache

invalidateAll, put, put, remove, toString

Methods inherited from class org.mmbase.cache.Cache

get, getByteSize, getByteSize, getCache, getCaches, getDefaultMaxEntrySize, getMaxEntrySize, getTotalByteSize, isActive, main, putCache, putCache, setActive

Methods inherited from class org.mmbase.util.LRUHashtable

clear, clone, elements, entrySet, getCount, getHits, getMisses, getOrderedElements, getOrderedElements, getOrderedEntries, getOrderedEntries, getPuts, getRatio, getSize, getStats, keySet, setSize, size, toString, values

Methods inherited from class java.util.Hashtable

contains, containsKey, containsValue, equals, hashCode, isEmpty, keys, putAll, rehash

Methods inherited from class java.lang.Object

finalize, getClass, notify, notifyAll, wait, wait, wait

Method Detail

getCache

public static AggregatedResultCache getCache()

getName

public java.lang.String getName()

Description copied from class: Cache

Returns a name for this cache type. Default it is the class name, but this normally will be overriden.

Overrides:

getName in class Cache

getDescription

public java.lang.String getDescription()

Description copied from class: Cache

Gives a description for this cache type. This can be used in cache overviews.

Overrides:

getDescription in class Cache