LagrangianRelaxationBuildResult.cs

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using LotSizingDataModel.Solver.Modeling;
 
namespace LotSizingDataModel.Solver.Algorithms.Relaxation;
 
/// <summary>
/// Result of a source-preserving Lagrangian model transformation.
/// </summary>
public sealed class LagrangianRelaxationBuildResult
{
    public LagrangianRelaxationBuildResult(
        MathematicalModel relaxedModel,
        IReadOnlyList<int> relaxedConstraintIds)
    {
        RelaxedModel =
            relaxedModel ??
            throw new ArgumentNullException(
                nameof(relaxedModel));
 
        ArgumentNullException.ThrowIfNull(
            relaxedConstraintIds);
 
        RelaxedConstraintIds =
            relaxedConstraintIds.ToArray();
 
        if (RelaxedConstraintIds.Count == 0)
        {
            throw new InvalidOperationException(
                "A Lagrangian build result must identify at least one relaxed constraint.");
        }
    }
 
    public MathematicalModel RelaxedModel
    {
        get;
    }
 
    public IReadOnlyList<int> RelaxedConstraintIds
    {
        get;
    }
}