That isn't exposed at this point, right?

On Tue, Jan 5, 2016 at 10:04 AM, Oleg Kalnichevski <ol...@apache.org> wrote:

> On Tue, 2016-01-05 at 08:56 -0500, Sam Perman wrote:
> > If I can reuse cache entries creating during failover, it means I can
> > absorb failures without the cache hit rate suffering.
> >
>
> Probably the best solution to the problem is actually using exposing
> CacheKeyGenerator through public APIs.
>
> Oleg
>
>
> > On Tue, Jan 5, 2016 at 8:20 AM, Oleg Kalnichevski <ol...@apache.org>
> wrote:
> >
> > > On Tue, 2016-01-05 at 07:30 -0500, Sam Perman wrote:
> > > > If the url changes from one request to the next without a special
> > > client, wouldn't the responses be two separate cache entries?
> > > >
> > >
> > > Why is that bad?
> > >
> > > Oleg
> > >
> > > > sam
> > > >
> > > > > On Jan 5, 2016, at 7:00 AM, Oleg Kalnichevski <ol...@apache.org>
> > > wrote:
> > > > >
> > > > >> On Tue, 2016-01-05 at 06:28 -0500, Sam Perman wrote:
> > > > >> Maybe there is another way to implement what I'm trying to do? In
> my
> > > case, if the backend request fails, I want to retry the request
> against a
> > > different url, but still cache the response.
> > > > >
> > > > > Why do you need a special client for that?
> > > > >
> > > > > Oleg
> > > > >
> > > > >> thanks
> > > > >> Sam
> > > > >>
> > > > >>>> On Jan 5, 2016, at 4:58 AM, Oleg Kalnichevski <ol...@apache.org
> >
> > > wrote:
> > > > >>>>
> > > > >>>> On Mon, 2016-01-04 at 17:21 -0500, Sam Perman wrote:
> > > > >>>> Hello
> > > > >>>>
> > > > >>>> I'm using the CachingHttpClient in a way that is deprecated in
> 4.5
> > > and am
> > > > >>>> trying to figure out the right non-deprecated way to do this.
> > > > >>>>
> > > > >>>> In my cause, I have a custom implementation of HttpClient that
> will
> > > do some
> > > > >>>> request rewriting and retrying if it sees certain error
> conditions.
> > > > >>>>
> > > > >>>> This is what the old deprecated code looks like:
> > > > >>>>
> > > > >>>>       CacheConfig config = buildCacheConfig();
> > > > >>>>       HttpClient myBackendClient = new CustomHttpClient();
> > > > >>>>       CachingHttpClient cachingHttpClient = new
> > > > >>>> CachingHttpClient(myBackendClient, config);
> > > > >>>>
> > > > >>>> It looks like the recommended way to build caching http clients
> in
> > > 4.5 is
> > > > >>>> to use the CachingHttpClientBuilder, but I see no way to
> provide my
> > > own
> > > > >>>> implementation of HttpClient for use as the backend. Is this
> > > possible to do
> > > > >>>> in a non deprecated way?
> > > > >>>
> > > > >>> Sam,
> > > > >>> You can't. The problem is that caching logic needs to be
> inserted at
> > > a
> > > > >>> particular point in the protocol processing chain in order to
> work
> > > > >>> correctly in all cases. The approach of adding a caching layer
> as a
> > > > >>> decorator for an arbitrary HttpClient instance turned out to be
> not
> > > good
> > > > >>> enough.
> > > > >>>
> > > > >>> Oleg
> > > > >>>
> > > > >>>
> > > > >>>
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> > > > >
> > > > >
> > > > >
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