code: @Override
      public void configureConstraintWeight(Rule rule, Score_ constraintWeight) {
          if (constraintWeight.getInitScore() != 0) {
              throw new IllegalStateException("The initScore (" + constraintWeight.getInitScore() + ") must be 0.");
          }
          if (constraintMatchEnabled) {
              String constraintPackage = rule.getPackageName();
              String constraintName = rule.getName();
              String constraintId = constraintPackage + "/" + constraintName;
              constraintMatchTotalMap.put(constraintId,
                      new ConstraintMatchTotal(constraintPackage, constraintName, constraintWeight, zeroScore));
          }
      }
docs: ************************************************************************