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From Jeff Butler <jeffgbut...@gmail.com>
Subject Re: Null handling of Ibator's Criteria class.
Date Wed, 22 Apr 2009 16:11:16 GMT
You cold also write a plugin to change the generated code in the model
classes.  It's a bit more complex than the average plugin, but
certainly doable.

Jeff Butler


On Tue, Apr 21, 2009 at 6:39 PM, Zoran Avtarovski
<zoran@sparecreative.com> wrote:
> The simple solution we’ve implemented is to modify the source to ignore null
> values. That way we don’t have to do null checks and it simplifies the
> process of of building dynamic queries. You have two options you can modify
> the source after Ibator has run or modify the Ibator source code. We opted
> for the second option, but I can understand why some people might not want
> to modify the Ibator source.
>
> I’m pretty sure your example below won’t work as only the last criteria
> added will be used. It’s been a while since I looked at it so I’m not
> certain.
>
> Z.
>
>
> Hi all,
>
> A Criteria inner class generated by Ibator throws RuntimeException when
> addCriterion() or addCriterionForJDBCDate() method is called with null
> as its 'value' argument.
> As a result of this behavior, when I build a dynamic criteria, I have to
> check null for each condition.
>
> Criteria criteria = someExample.createCriteria();
> if (condition1 != null)
>   criteria.andCondition1EqualTo(condition1);
> if (condition2 != null)
>   criteria.andCondition1EqualTo(condition2);
> ...
>
> Basically, I want criteria classes to ignore null value (i.e. not to add
> any criteria).
> When some condition is required, I would validate it in another way
> (presentation framework's validation feature, for example).
>
> Before opening a new issue on JIRA, I would like to hear from other
> Ibator users about the behavior.
> What do you think?
>
> Thanks,
> Iwao
>
>

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