/**
* Return the bound value for the variable.
*
* @param v The variable.
* @param bset The source solution.
* @param required <code>true</code> iff the variable must be bound.
* @return The bound value and <code>null</code> if the variable is not bound.
*/
@SuppressWarnings("rawtypes")
protected static IV getIV(
final IVariable<?> var, final IBindingSet bset, final boolean required) {
@SuppressWarnings("unchecked")
final IConstant<IV> constant = bset.get(var);
if (constant == null) {
if (required) throw new RuntimeException("Variable is not bound: " + var);
return null;
}
final IV _s = (IV) constant.get();
return _s;
}
