Always Generated New Keys, so not use cache

[Minsoo,song]

hi~

 

I use ehcache-spring-annotations.

 

  <dependency>
   <groupId>com.googlecode.ehcache-spring-annotations</groupId>
   <artifactId>ehcache-spring-annotations</artifactId>
   <version>1.2.0</version>
  </dependency>

 

 

manager use annotations

 

@Cacheable(cacheName="GoodsManagerCache")
public List<Goods> findGoods(GoodsSearchCommand cmd) {

 

}

 

call log

 

Adding CACHE advised method 'findGoods' with attribute: CacheableAttributeImpl [cacheInstanceResolver=com.googlecode.ehcache.annotations.resolver.SingletonCacheableCacheResolver@1b219665, cacheKeyGenerator=HashCodeCacheKeyGenerator [includeMethod=true, includeParameterTypes=true, useReflection=false, checkforCycles=false], parameterMask=ParameterMask [mask=[]], cacheNull=true, cacheInterceptor=com.googlecode.ehcache.annotations.DefaultCacheableInterceptor@5a2d13c1]
Generated key '-221625528930174' for invocation: ReflectiveMethodInvocation: public abstract java.util.List

Generated key '-221626328636153' for invocation: ReflectiveMethodInvocation: public abstract java.util.List

 

 

always new key.

 

GoodsSearchCommand {

private Product product;

private Goods goods;

.....

}

 

help me please.

 

[Eric Dalquist]

Did you define hashCode and equals on every object in the data model used as the key? If not then instance equality is used by the JVM.

[Minsoo,song]

I use spring framework  @ModelAttribute

 

always new command object.

 

not use caches?

 

 @RequestMapping("/findGoods")
 public String goodsHandle(
   @ModelAttribute GoodsSearchCommand cmd,
   @ModelAttribute Goods goods,
   @ModelAttribute GoodsStock goodsStock,
   @ModelAttribute Seller seller,
   HttpServletRequest request, 
   ModelMap model) {

  cmd.setGoods(goods);
  cmd.getGoods().setGoodsStock(goodsStock);
  cmd.getGoods().setSeller(seller);
  
  List<Goods> goodsList=null;
  goodsList = goodsManager.findGoods(cmd); 

}

 

2012년 11월 2일 금요일 오전 10시 40분 6초 UTC+9, Minsoo,song 님의 말:

[Eric Dalquist]

Please read this: http://www.javaworld.com/community/node/1006

[Minsoo,song]

thank you (;