solver_parameters_validator.cc

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// Copyright 2010-2021 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.

#include "ortools/math_opt/validators/solver_parameters_validator.h"

#include <string>

#include "absl/memory/memory.h"
#include "absl/status/status.h"
#include "absl/status/statusor.h"
#include "absl/strings/str_cat.h"
#include "ortools/math_opt/parameters.pb.h"
#include "ortools/base/status_macros.h"
#include "ortools/base/protoutil.h"

namespace operations_research {
namespace math_opt {

absl::Status ValidateSolverParameters(const SolveParametersProto& parameters) {
  RETURN_IF_ERROR(util_time::DecodeGoogleApiProto(
                      parameters.common_parameters().time_limit())
                      .status())
      << "invalid parameters.common_parameters.time_limit";

  if (parameters.common_parameters().has_threads()) {
    if (parameters.common_parameters().threads() <= 0) {
      return absl::InvalidArgumentError(
          absl::StrCat("parameters.common_parameters.threads = ",
                       parameters.common_parameters().threads(), " <= 0"));
    }
  }

  return absl::OkStatus();
}

}  // namespace math_opt
}  // namespace operations_research