[jbosscache-dev] Some new Cache usage questions

[Bela Ban]

+1 on both arguments

Manik Surtani wrote:
> Not in your case, no.  But many other use cases will be able to cache 
> a node and use it directly.
>
> I too would rather keep the API clean in this regard.  Also, calling 
> cache.getRoot() is redundant since the Cache interface is a wrapper 
> around the root Node.  In fact, I even think we should get rid of the 
> getRoot() method.
>
> Cheers,
> -- 
> Manik Surtani
>
> Lead, JBoss Cache
> JBoss, a division of Red Hat
>
> Email: manik at jboss.org
> Telephone: +44 7786 702 706
> MSN: manik at surtani.org
> Yahoo/AIM/Skype: maniksurtani
>
>
> On 1 Sep 2006, at 15:49, Ben Wang wrote:
>
>> Thing is I only do put to specific fqn once. So caching it doesn't 
>> buy you anything.
>>
>> -----Original Message-----
>> From: Bela Ban
>> Sent: Friday, September 01, 2006 10:22 PM
>> To: Ben Wang
>> Cc: jbosscache-dev at lists.jboss.org
>> Subject: Re: [jbosscache-dev] Some new Cache usage questions
>>
>> My 2 cents: I'd rather keep the API clean, at the expense of folks 
>> potentially writing wrapping code (like Ben).
>>
>> Your code samples look a bit weird:
>> #1
>> Why do you always get the child ? Can't you get the node and cache 
>> it, e.g.
>> Node n=cache.getRoot().getChild(fqn);
>> n.containsKey(PojoInstance.KEY)
>>
>> #2
>> Same as for #1: you don't need to call cache.getRoot().getChild(fqn) 
>> all the time, for example in a loop, simply cache it
>>
>>
>> Ben Wang wrote:
>>> Manik,
>>>
>>> While trying to use the new API in PojoCache, I have found that I 
>>> need to:
>>>
>>> 1. To check if a attribute exist, I need to do:
>>> cache_.getRoot().getChild(fqn_).getData().values().contains(PojoInstance.KEY) 
>>>
>>>
>>> 2. And then, I need to do a lot of 
>>> cache_.getRoot().getChild(fqn).put(map)
>>>
>>> So looks like I need to write a wrapper layer just to provide straight
>>> api for:
>>>
>>> Cache_.exists(fqn, key)
>>> And
>>> Cache_.put(fqn, map)
>>>
>>> If this is rare case, then I will bite the bullet. But if it is a
>>> common one, then that really begs the question whether we should
>>> provide additional apis or not?
>>
>> --Bela Ban
>> Lead JGroups / Manager JBoss Clustering Group
>> JBoss - a division of Red Hat
>>
>> _______________________________________________
>> jbosscache-dev mailing list
>> jbosscache-dev at lists.jboss.org
>> https://lists.jboss.org/mailman/listinfo/jbosscache-dev
>
>

-- 
Bela Ban
Lead JGroups / Manager JBoss Clustering Group
JBoss - a division of Red Hat