IntervalVarArrayHelper.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.ConstraintSolver
{
    using System;
    using System.Collections.Generic;
 
    // IntervalVar[] helper class.
    public static class IntervalVarArrayHelper
    {
        // get solver from array of interval variables
        private static Solver GetSolver(IntervalVar[] vars)
        {
            if (vars == null || vars.Length <= 0)
                throw new ArgumentException("Array <vars> cannot be null or empty");
 
            return vars[0].solver();
        }
        public static DisjunctiveConstraint Disjunctive(this IntervalVar[] vars, String name)
        {
            Solver solver = GetSolver(vars);
            return solver.MakeDisjunctiveConstraint(vars, name);
        }
        public static Constraint Cumulative(this IntervalVar[] vars, long[] demands, long capacity, String name)
        {
            Solver solver = GetSolver(vars);
            return solver.MakeCumulative(vars, demands, capacity, name);
        }
        public static Constraint Cumulative(this IntervalVar[] vars, int[] demands, long capacity, String name)
        {
            Solver solver = GetSolver(vars);
            return solver.MakeCumulative(vars, demands, capacity, name);
        }
    }
} // namespace Google.OrTools.ConstraintSolver