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Either:<br>
<br>
1) add a hard constraint to penalize what you don't want<br>
<br>
2) look into ValueRangeProvider from entity (see docs), which
effectively makes it a build-in hard constraint.<br>
<br>
3) Use Filtering in both the Local Search selectors as the CH
selectors (but the CH selector usage is not yet documented).<br>
This 3) option is very difficult, especially for SwapMove's.<br>
<br>
I recommend 1) by default.<br>
Also don't expect that CH's give you a feasible solution, use LS on
top of CH's to get a good, feasible solution.<br>
See "phase overview" section in the docs.<br>
<br>
<div class="moz-cite-prefix">On 03-11-13 17:29, Tales Costa wrote:<br>
</div>
<blockquote
cite="mid:CAJZ7QEAUdjAk3nXZqrVWMxk4b-W91Zfq4vQivekYgUN6N==+OA@mail.gmail.com"
type="cite">
<div dir="ltr">Hi all,
<div><br>
</div>
<div>I am new to Optaplanner and would like some help on
understanding how to control the planning value chosen
by Optaplanner. </div>
<div><br>
</div>
<div>Based on the info on User Guide and the NQueen example, I
understand that for Local Search algorithms one can use the
Move interface (for example to forbid some specific row
change). </div>
<div><br>
</div>
<div>However, for the Construction heuristics have not found
any similar option. For these algoritms the only option seems
to be to make load adjustements on the score calculations (as
the nqueens example does for queens on the same row). Is this
correct or am I missing something ?</div>
<div><br>
</div>
<div>Regards</div>
<div><br>
</div>
<div>Tales</div>
</div>
<br>
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