org.mmbase.cache
Class MultilevelCache

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

All Implemented Interfaces:

Map<SearchQuery,List<MMObjectNode>>, CacheMBean, EventListener, NodeEventListener, RelationEventListener, SizeMeasurable

public class MultilevelCache
extends QueryResultCache

This cache handles multilevel query results from the bridge, namely only for the 'getList' functions of BasicCloud

Since:

MMBase-1.7

Version:

$Id: MultilevelCache.java 34936 2009-05-04 14:41:51Z michiel $

Author:

Daniel Ockeloen, Michiel Meeuwissen

See Also:

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

To Do:

It is odd that this one 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 MultilevelCache	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 MultilevelCache 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>>