[Springframework-rcp-dev] Best way for a special Constraint...

[Benoit X. <bx...@ob...>]

Hi All,

 

It is Friday afternoon and my brain is slowing down.  What would be the best
way to say:

 

If Property X == 'VAL_1' then Property Y must be ABSENT/null

If Property X == 'VAL_1' then Property Z must be ABSENT/null

If Property X == 'VAL_2' then Property Y is required

If Property X == 'VAL_3' then Property Z is required

 

The last 2 are easy:

add(new RequiredIfTrue("Y", eq("X", "VAL_2")));

add(new RequiredIfTrue("Z", eq("X", "VAL_3")));

 

but something like AbsentIfTrue would be useful.

But how would you check for absence? Not(present("Y")) ?

 

Second question, is it possible to put a rule with a given regular
expression (like ISIN which are 2 char followed by 9 numerics).

 

Many thanks,

 

Benoit

 

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