Could you:
| @ValidatorClass ( GreaterThanValidator.class )
| @Retention ( RetentionPolicy.RUNTIME )
| @Target ( { ElementType.METHOD } )
| public @interface GreaterThan {
|
| String elExpr = null;
| String mesg = "#{someMessageKey}";
|
| }
|
And then in the validator class get a reference to the Seam interpolator and
invoke the el-binding cast it to Comparable and compare it to the annotated
data element.
Could do the same for less than, either or, just a thought for the simpler
things. To do entity exists checks I use a custom interceptor that has access
to the entity manager to do the queries.
I am curious about this as well as I have lot's of these kind of things
floating around and would really like to standardize them and will research it
further.
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