Granny's Programming Pearls
"inside of every large program is a small program struggling to get out"
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interview question  RSS feed

 
Greenhorn
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hi
yesterday i went to one interview;the interviewer asked me one question;(ie) one jsp client is there;he gets bean instance from a pool of bean instanes from container(entity bean);say another jsp(2nd jsp page) is there, he wants same bean instance from the first jsp page without touching container again;i said u can do it using JNDI reference;but the interviewer told me u can do that using handle;Is that possible using Handle;
bye
chaitu
 
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Hi,
Yes doing this using handle you don�t loose the time to lookup the reference in the jndi tree, there�s a pattern called ServiceLocator that adresses exactly this task, you can use a code like this:

regards.
 
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