com.github.drinkjava2.jdbpro.handler
Class SimpleCacheHandler

java.lang.Object
  com.github.drinkjava2.jdbpro.DefaultOrderSqlHandler
      com.github.drinkjava2.jdbpro.handler.SimpleCacheHandler

All Implemented Interfaces:

SqlHandler

public class SimpleCacheHandler
extends DefaultOrderSqlHandler

SimpleCacheHandler is a simple memory cache used to cache SQL query result .

Since:

1.7.0.2

Author:

Yong Zhu

Nested Class Summary

static class

SimpleCacheHandler.LRULinkedHashMap

Field Summary

Fields inherited from class com.github.drinkjava2.jdbpro.DefaultOrderSqlHandler

DEFAULT_ORDER, order

Constructor Summary

SimpleCacheHandler()

SimpleCacheHandler(int capacity, int aliveSeconds)

Method Summary

void	clearCache() Call this method to manually clear cache
int	getAliveSeconds()
int	getCapacity()
Object	handle(ImprovedQueryRunner runner, PreparedSQL ps) handle method is an intercept method, subClass should implement this method

Methods inherited from class com.github.drinkjava2.jdbpro.DefaultOrderSqlHandler

getOrder, setOrder

Methods inherited from class java.lang.Object

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

Constructor Detail

SimpleCacheHandler

public SimpleCacheHandler()

SimpleCacheHandler

public SimpleCacheHandler(int capacity,
                          int aliveSeconds)

Method Detail

getAliveSeconds

public int getAliveSeconds()

getCapacity

public int getCapacity()

clearCache

public void clearCache()

Call this method to manually clear cache

handle

public Object handle(ImprovedQueryRunner runner,
                     PreparedSQL ps)

Description copied from interface: SqlHandler

handle method is an intercept method, subClass should implement this method

Parameters:

runner - The ImprovedQueryRunner instance

ps - The PreparedSQL instance

Returns:

The result Object