[infinispan-dev] Hash calculation in DefaultConsistentHash

Jason T. Greene jason.greene at redhat.com
Tue Oct 13 13:41:34 EDT 2009



Manik Surtani wrote:
> On 13 Oct 2009, at 15:30, Jason T. Greene wrote:
> 
>> We've always had that requirement. Hes referring to classes which do  
>> not
>> define a hashCode, and thus inherit Object.hashCode(), which  
>> produces a
>> number based on the reference pointer which is different per-vm.
> 
> Sure, but for folks that don't expect to be able to retrieve a key  
> from anywhere, it should still work.  But that is a weird use case  
> anyway, unless the cache is in local mode in which case DIST doesn't  
> apply.
> 

Right, you can do it in local mode. His hashcode routine would of course 
still work for that, that is if you wanted to have datacontainer alwyas 
use it (probably a good idea).

-- 
Jason T. Greene
JBoss, a division of Red Hat



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