On Sep 11, 9:33 pm, realdope <[email protected]> wrote:
> Here's rest of the code:
>
> private static boolean has(String key) {
> return MemcacheServiceFactory.getMemcacheService().contains(key) &&
> get(key).length()>0;
> }
>
...
> if (Memcache.hasById(id)) return Memcache.getById(id);
>
This code is slower than it should be, since it does 3 consecutive
requests to memcache. (two in has() and then one in getById())
Also it has a problem, because the value could drop out of memcache
after the has() and then getById returns null.
Just write it like this.
String res = Memcache.getById(id);
if (res == null) {
res = V1Post.getById(id);
Memcache.putById(id, res);
}
return res;
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