I'm trying to move a EJB3 JPA example which has second level cache enabled to
JBossAS-5.0 GA. I am following this wiki for instructions
http://www.jboss.org/community/docs/DOC-13200. Based on those instructions i have been
able to get the example deploying successfully in JBoss-5 GA. I have a couple of related
questions:
1) Is there a way to access this second level cache from within the application (ex: from
a EJB3 bean). I see that the java:CacheManager is registered in the JNDI. So would the
following be the correct thing to do:
| private Cache getCache() throws Exception
| {
| org.jboss.cache.CacheManager cacheManager = (CacheManager) new
InitialContext().lookup("java:CacheManager");
| return cacheManager.getCache("mvcc-entity", false);
| }
|
The org.jboss.cache.CacheManager.getCache() accepts 2 arguments. I could not find the
javadocs and wasn't sure what to pass. Based on some explanation from the wiki, i
decided to pass mvcc-entity as the first param. What exactly are these parameters used
for?
2) Once i get hold of the cache, is there some way through which i can figure out whether
a particular entity is cached?
public boolean isCustomerInCache(Long id){
|
| Cache cache = getCache();
| // is there some way through which i can check if the entity is cached?
|
|
| }
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