Re: question about javaEnum prototype

2012-07-22 Thread Tim Worman
On Jul 21, 2012, at 1:30 PM, Kieran Kelleher kelleh...@gmail.com wrote: On Jul 21, 2012, at 3:30 PM, Tim Worman li...@thetimmy.com wrote: Thanks Ramsey. Yeah. I would really need a many-to-many relationship - which I was hoping to avoid. :-) I was wanting to just store and query keywords

question about javaEnum prototype

2012-07-21 Thread Tim Worman
WO'ers: I have an Enitity that I would like to assign n categories to - essentially descriptive strings. I have never used the javaEnum prototype and I was wondering if it would be good for this task? On the UI side I would like to use checkboxes to select which categories to apply to an EO.

Re: question about javaEnum prototype

2012-07-21 Thread Ramsey Gurley
For a 'to-one' type of arrangement, enums are perfect so long as your categories don't change often. For a 'to-many' you are describing, they are less so. You could serialize an enum set, but then you can't query it. The only other solution I know of would be to put them on a table and

Re: question about javaEnum prototype

2012-07-21 Thread Amedeo Mantica
And iirc avoid null values in enums or will throw exception on save. Set a default value in the init() method of entity Sent from my iPhone On 21/lug/2012, at 18:24, Ramsey Gurley ramseygur...@gmail.com wrote: For a 'to-one' type of arrangement, enums are perfect so long as your categories

Re: question about javaEnum prototype

2012-07-21 Thread Tim Worman
Thanks Ramsey. Yeah. I would really need a many-to-many relationship - which I was hoping to avoid. :-) I was wanting to just store and query keywords for my EO. A flattened many-to-many seems heavy to just associate string values. A good example would be a Contact entity where you maybe have

Re: question about javaEnum prototype

2012-07-21 Thread Kieran Kelleher
On Jul 21, 2012, at 3:30 PM, Tim Worman li...@thetimmy.com wrote: Thanks Ramsey. Yeah. I would really need a many-to-many relationship - which I was hoping to avoid. :-) I was wanting to just store and query keywords for my EO. A flattened many-to-many seems heavy to just associate