code: package org.optsol.project_scheduling.mrcpsp.ooe.constraints;
  
  import com.google.ortools.linearsolver.MPConstraint;
  import com.google.ortools.linearsolver.MPSolver;
  import com.google.ortools.linearsolver.MPVariable;
  import java.util.Collection;
  import java.util.stream.Collectors;
  import org.optsol.jdecor.core.AbstractConstraintManager;
  import org.optsol.jdecor.core.AbstractVariableManager;
  import org.optsol.jdecor.ortools.AbstractOrtoolsConstraintManager;
  import org.optsol.project_scheduling.mrcpsp.constants.sub.IConstants_A;
  import org.optsol.project_scheduling.mrcpsp.constants.sub.IConstants_N;
  import org.optsol.project_scheduling.mrcpsp.constants.sub.IConstants_W_k;
  import org.optsol.project_scheduling.mrcpsp.ooe.variables.DecisionVars_Ooe;
  
  public class OOE_k_NonrenewableResourceMaxCapacity<CONST
      extends IConstants_A & IConstants_N & IConstants_W_k>
      extends AbstractOrtoolsConstraintManager<CONST> {
  
    public OOE_k_NonrenewableResourceMaxCapacity() {
      super("k");
    }
  
    @Override
    protected Collection<ConstraintKey> createKeys(CONST constants) {
      return
          constants.get_N()
              .stream()
              .mapToInt(k -> k)
              .mapToObj(ConstraintKey::new)
              .collect(Collectors.toSet());
    }
  
    @Override
    protected void configureConstraint(
        MPConstraint constraint,
        CONST constants,
        AbstractVariableManager<MPSolver, MPVariable> variables,
        AbstractConstraintManager<MPSolver, CONST, MPVariable, MPConstraint>.ConstraintKey constraintKey)
        throws Exception {
  
      int k = constraintKey.get("k");
      constraint.setUb(constants.get_W_k(k));
  
      for (int i : constants.get_A()) {
        constraint.setCoefficient(variables.getVar(DecisionVars_Ooe.r, i, k), 1.0);
      }
    }
  }
  