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Re: How do I figure out what class method is annotated with @Id?

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On 9/22/11 3:30 PM, markspace wrote:
> On 9/22/2011 2:54 PM, Daniel Pitts wrote:
>
>> On 9/22/11 11:42 AM, laredotornado wrote:
>>> Given a java.lang.Class, how do I figure out what method is
>>> annotated with the "@Id" annotation? Thanks, - Dave
>
>>
>> Use Class.getDeclaredMethods and Method.isAnnotationPresent
>
>
> I'd prefer Class.getMethods. getDeclaredMethods won't look at inherited
> methods, which is not normally what you want.
>
> And you can skip isAnnotationPresent and just go for getAnnotations. It
> returns a 0 length array if no annotations are present. Your loop
> iterator should catch that by default, no need for additional checks or
> logic in the driving code.
>
>
>

I've used getDeclaredMethods to catch non-public methods. getMethods() 
only returns public methods.

You would have to "walk up" the super-class tree (I suppose getMethods() 
on an interface is good enough since there are no non-public methods 
except perhaps synthetics?

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How do I figure out what class method is annotated with @Id? laredotornado <laredotornado@zipmail.com> - 2011-09-22 11:42 -0700
  Re: How do I figure out what class method is annotated with @Id? markspace <-@.> - 2011-09-22 11:49 -0700
  Re: How do I figure out what class method is annotated with @Id? Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2011-09-22 14:54 -0700
    Re: How do I figure out what class method is annotated with @Id? markspace <-@.> - 2011-09-22 15:30 -0700
      Re: How do I figure out what class method is annotated with @Id? Daniel Pitts <newsgroup.nospam@virtualinfinity.net> - 2011-09-22 16:11 -0700

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