Re: [infinispan-dev] Design change in Infinispan Query

On Mar 12, 2014, at 17:45, Galder Zamarreño <galder(a)redhat.com&gt; wrote: > > On 05 Mar 2014, at 18:16, Mircea Markus <mmarkus(a)redhat.com&gt; wrote: > >> If anything, this model reduces type safety and reusability. E.g. say you want a M/R task to see how many Persons speak French. With the single cache model(both Dog and Person int he Cache<String, Mammal>) it would look something like: >> >> a) >> //pseudocode >> map (String k, Mammal value) { >> if (value instanceof Person)) { //this is the ugly part >> if (((Person)value).speaks("French")) ... >> } else { >> //ignore it, it's an Dog >> } >> } >> >> Same thing written for a Cache<String, Person>: >> >> b) >> map (String k, Person value) { >> if (value.speaks("French")) ... >> } >> >> I don't think people would prefer writing a) instead of b) ;) > > It’s a pity that having discussed in Mallorca and having referenced a fair few times already, you could not think of an option based on what Paul suggsted in https://issues.jboss.org/browse/ISPN-3640 Not sure what you want to imply with that, it was an oversight on my side :\

Cheers, -- Mircea Markus Infinispan lead (www.infinispan.org) _______________________________________________ infinispan-dev mailing list infinispan-dev(a)lists.jboss.org https://lists.jboss.org/mailman/listinfo/infinispan-dev