[hibernate-issues] [Hibernate-JIRA] Commented: (HBX-752) Add meta attribute property-code, pre/post conditions code

[Max Rydahl Andersen (JIRA)]

    [ http://opensource.atlassian.com/projects/hibernate/browse/HBX-752?page=comments#action_24528 ] 

Max Rydahl Andersen commented on HBX-752:
-----------------------------------------

i'm sorry but i don't see what is different in your suggestion than what you can do today ?!

why don't you just had pre-condition etc. into your hbm.xml files ? 

Your example in the forum is currently hard coded - why don't you just put the code into the hbm.xml and inserted in the templates just as with extra-code ?

And again, extra-code is only there for users to configure the construction of objects ...and because it can be be done without any context.



> Add meta attribute property-code, pre/post conditions code
> ----------------------------------------------------------
>
>          Key: HBX-752
>          URL: http://opensource.atlassian.com/projects/hibernate/browse/HBX-752
>      Project: Hibernate Tools
>         Type: Improvement

>   Components: hbm2java
>     Versions: 3.2beta7
>     Reporter: David Leal
>     Priority: Minor

>
>
> Just to suggest to add a new meta attribute like class-code, but for properties. Some times you need to add some pre-condition or post-condition for a set/get method. For example a particular property has to be possitive, not all databases could control this condition, so you have to control it via source code, for example to add a pre-condition on a set operation. 
> The hbm2java allow to add additional methods/imports, for example via class-code meta attribute, but for the generation properties the user doesn't have any control about the generated code.
> My suggestion is to add three possible meta-attributes:
> property-get/set-code: For setting the hole generated code for a particular property, with a non-default set/get code generation.
> pre-get/set-code: Just add a precondition code to the generated source code.
> post-get/set-code: Just add a postcondition code, at the end of the code generation, for a particular property.
> All three properties can be specified for get/set operation.
> About this topic I have asked to the forum, 
> http://forum.hibernate.org/viewtopic.php?t=964523#2321689
> but the solution was to modify the template, wich in my humble opinion is a kind of brute force for this simple modification.
> Thanks in advance,
> David Leal

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