com.jdon.model.query.cache
Class BlockCacheManager

java.lang.Object
  com.jdon.controller.cache.CacheKeyFactory
      com.jdon.model.query.cache.BlockCacheManager

public class BlockCacheManager
extends CacheKeyFactory

query block manager. batch query will get a collection result that it is a block, this block will be cached, next time, we lookup the result in the block that existed in cache, maybe in the block there are those promary keys collection, so reducing visiting database. the block is made of the primary keys of all models.

Field Summary

static java.lang.String

CACHE_TYPE_BLOCK

Fields inherited from class com.jdon.controller.cache.CacheKeyFactory

module

Constructor Summary

BlockCacheManager(CacheManager cacheManager)

Method Summary

void	clearCache()
CacheKey	createCacheKeyImp(java.lang.Object dataKey, java.lang.String typeName)
java.lang.Integer	getAllCountsFromCache(QueryConditonDatakey qckey)
java.util.List	getBlockKeysFromCache(QueryConditonDatakey qckey)
CacheKey	getCacheKey(QueryConditonDatakey qckey)
void	saveAllCounts(QueryConditonDatakey qckey, java.lang.Integer allCount)
void	saveBlockKeys(QueryConditonDatakey qckey, java.util.List keys)

Methods inherited from class com.jdon.controller.cache.CacheKeyFactory

createCacheKey, getAllCacheKey, removeCacheKey

Methods inherited from class java.lang.Object

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

Field Detail

CACHE_TYPE_BLOCK

public static final java.lang.String CACHE_TYPE_BLOCK

See Also:

Constant Field Values

Constructor Detail

BlockCacheManager

public BlockCacheManager(CacheManager cacheManager)

Method Detail

getBlockKeysFromCache

public java.util.List getBlockKeysFromCache(QueryConditonDatakey qckey)

getCacheKey

public CacheKey getCacheKey(QueryConditonDatakey qckey)

saveBlockKeys

public void saveBlockKeys(QueryConditonDatakey qckey,
                          java.util.List keys)

getAllCountsFromCache

public java.lang.Integer getAllCountsFromCache(QueryConditonDatakey qckey)

saveAllCounts

public void saveAllCounts(QueryConditonDatakey qckey,
                          java.lang.Integer allCount)

createCacheKeyImp

public CacheKey createCacheKeyImp(java.lang.Object dataKey,
                                  java.lang.String typeName)

Specified by:

createCacheKeyImp in class CacheKeyFactory

clearCache

public void clearCache()