org.mmbase.cache
Class AggregatedResultCache

java.lang.Object
  org.mmbase.cache.Cache<SearchQuery,List<MMObjectNode>>
      org.mmbase.cache.QueryResultCache
          org.mmbase.cache.AggregatedResultCache

All Implemented Interfaces:

Map<SearchQuery,List<MMObjectNode>>, CacheMBean, EventListener, NodeEventListener, RelationEventListener, 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 34936 2009-05-04 14:41:51Z michiel $

Author:

Michiel Meeuwissen

See Also:

BasicCloud.getList(org.mmbase.bridge.Query)

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/interfaces inherited from interface java.util.Map

Map.Entry<K,V>

Field Summary

Fields inherited from class org.mmbase.cache.Cache

lock, maxEntrySize

Method Summary

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

Methods inherited from class org.mmbase.cache.QueryResultCache

addReleaseStrategies, addReleaseStrategy, clear, getAvarageValueLength, getReleaseStrategy, nodeChanged, notify, notify, put, remove, toString

Methods inherited from class org.mmbase.cache.Cache

checkCachePolicy, contains, containsKey, containsValue, entrySet, equals, get, getByteSize, getByteSize, getCheapByteSize, getCount, getDefaultMaxEntrySize, getHits, getImplementation, getLock, getMaxEntrySize, getMaxSize, getMisses, getPuts, getRatio, getSize, getStats, hashCode, isActive, isEmpty, keySet, maxSize, putAll, putCache, reset, setActive, setImplementation, setMaxEntrySize, setMaxSize, size, values

Methods inherited from class java.lang.Object

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

Method Detail

getCache

public static AggregatedResultCache getCache()

getName

public 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.

Specified by:

getName in interface CacheMBean

Overrides:

getName in class Cache<SearchQuery,List<MMObjectNode>>

getDescription

public String getDescription()

Description copied from class: Cache

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

Specified by:

getDescription in interface CacheMBean

Overrides:

getDescription in class Cache<SearchQuery,List<MMObjectNode>>