Hi, 

I have a data model which uses a lot tables like on the image below. Most 
of the Entities have columns "validto" and "validfrom" which defines that 
the entity is only valid in a specific date range. (e.g. 01-02-2013 to 
31-12-2013) I have to create a Doctrine Class design now, but it would be 
great if I would not need to set validto and validfrom in every query. 

Would it be possible to implement a superclass "TimespanEntity" which 
provides functions like "getCurrent()" which only returns currently valid 
entites? Or what would be a good approach to avoid redundant code? Maybe 
implement custom Repositories? 


Thank you for your help! 



<https://lh6.googleusercontent.com/-gAkcoCSaPNc/U4M3L_dHYaI/AAAAAAAAtjM/Gxh3aKQiFF8/s1600/ausschnitt_doctrine_forum.png>

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