[hibernate-dev] Hibernate Search DSL ideas
Navin Surtani
nsurtani at redhat.com
Fri Nov 20 09:25:04 EST 2009
On 20 Nov 2009, at 12:10, Emmanuel Bernard wrote:
> I am very against the idea of runtime failures. That's the whole
> point of a type safe fluent API.
Yeah - understandable, the fewer exceptions thrown the better I guess.
> I would rather put the effort on the framework side than on the
> developer side.
> A string query language or a dynamic language is better if you are
> not bothered with helping the developer to write the query.
>
> On 20 nov. 2009, at 12:31, Navin Surtani <nsurtani at redhat.com> wrote:
>
>> Heya,
>>
>> I was just thinking last night about a couple of things about the
>> DSL.
>>
>> Mainly, instead of having lots of return types, for example you
>> created a BooleanContext and a Negatable version if the Occur
>> clause was MUST. I was wondering, instead of having separate
>> contexts, is it easier to have one - and then if a user calls a
>> buildQuery() without sufficient information to actually build one
>> we throw an exception?
>>
>> I think this is cleaner in some ways because we don't have to
>> create so many different types of class, and we're always returning
>> the same instance. However, the drawback is that by this method we
>> "allow the user to make a mistake" and will be needing to throw
>> exceptions. So here's where the discussion starts - what are pros/
>> cons of each system and which wind up being a better one to build?
>> Personally, I think having a single class context is better because
>> 1 - it's simpler to build and 2 - as long as classes are documented
>> properly and exceptions thrown are clear as to what the issue is
>> then we're okay.
>>
>> Ideas? Thoughts?
>>
>> Navin Surtani
>>
>> Intern Infinispan
>> Intern JBoss Cache Searchable
>>
Navin Surtani
Intern Infinispan
Intern JBoss Cache Searchable
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