Constraints.cs

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// Copyright 2010-2018 Google LLC
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//     http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

namespace Google.OrTools.Sat
{
using System;
using System.Collections.Generic;

public class Constraint
{
  public Constraint(CpModelProto model)
  {
    index_ = model.Constraints.Count;
    constraint_ = new ConstraintProto();
    model.Constraints.Add(constraint_);
  }

  public void OnlyEnforceIf(ILiteral lit)
  {
    constraint_.EnforcementLiteral.Add(lit.GetIndex());
  }

  public void OnlyEnforceIf(ILiteral[] lits)
  {
    foreach (ILiteral lit in lits) {
      constraint_.EnforcementLiteral.Add(lit.GetIndex());
    }
  }

  public int Index
  {
    get  { return index_; }
  }

  public ConstraintProto Proto
  {
    get { return constraint_; }
    set { constraint_ = value; }
  }

  private int index_;
  private ConstraintProto constraint_;
}

}  // namespace Google.OrTools.Sat