gnu.beanfactory.jdbc
Class CachedQuery

java.lang.Object
  |
  +--gnu.beanfactory.jdbc.Query
        |
        +--gnu.beanfactory.jdbc.CachedQuery

public class CachedQuery

extends Query

Query implementation with caching behavior. Instances of CachedQuery will not cache unless the cacheTTL and cacheRowCountMax threshold values are set.

propertyName	description	required?
connectionPool	URL reference to a ConnectionPool	true
dataBeanClass	Fully qualified class name of the data bean	true
sql	select SQL statement	true
propertyMap	Properties cotaining columnName to propertyName mappings	false
cacheTTL	Max # of seconds a cached result can remain in the cache before becoming stale. Default: -1 (Will not allow cached entries.	false)
cacheRowCountMax	Maximum number of result set rows that can be in the cache. Default: 0 (Will not allow cached entries)	false

Inner classes inherited from class gnu.beanfactory.jdbc.Query

Query.CacheKey

Constructor Summary

CachedQuery()

Method Summary

protected void	cacheResults(Query.CacheKey key, java.lang.Object[] results)
protected void	flushCache()
protected void	flushCache(Query.CacheKey key)
long	getCacheRowCount()
long	getCacheRowCountMax()
long	getCacheTTL()
protected java.lang.Object[]	getResultsFromCache(Query.CacheKey key)
void	setCacheRowCountMax(long l)
void	setCacheTTL(long l)

Methods inherited from class gnu.beanfactory.jdbc.Query

columnToPropertyName, doSelect, getConnectionPool, getDataBeanClass, getPropertyMap, getSql, newRowBean, select, select, select, selectFirst, selectFirst, selectFirst, selectFirstUncached, selectFirstUncached, selectFirstUncached, selectUncached, selectUncached, selectUncached, setConnectionPool, setDataBeanClass, setPropertyMap, setSql

Methods inherited from class java.lang.Object

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

Constructor Detail

CachedQuery

public CachedQuery()

Method Detail

getCacheRowCountMax

public long getCacheRowCountMax()

setCacheRowCountMax

public void setCacheRowCountMax(long l)

getCacheTTL

public long getCacheTTL()

setCacheTTL

public void setCacheTTL(long l)

getCacheRowCount

public long getCacheRowCount()

cacheResults

protected void cacheResults(Query.CacheKey key,
                            java.lang.Object[] results)

Overrides:

cacheResults in class Query

getResultsFromCache

protected java.lang.Object[] getResultsFromCache(Query.CacheKey key)

Overrides:

getResultsFromCache in class Query

flushCache

protected void flushCache(Query.CacheKey key)

Overrides:

flushCache in class Query

flushCache

protected void flushCache()

Overrides:

flushCache in class Query