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ortools-clone/ortools/math_opt/cpp/solver_resources.cc
Laurent Perron 5b1376b9df small cleaning
2025-07-01 16:51:11 +02:00

79 lines
2.3 KiB
C++

// Copyright 2010-2025 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/cpp/solver_resources.h"
#include <ostream>
#include <string>
#include <utility>
#include "absl/status/statusor.h"
#include "absl/strings/str_cat.h"
#include "absl/strings/string_view.h"
#include "ortools/port/proto_utils.h"
namespace operations_research::math_opt {
std::ostream& operator<<(std::ostream& out, const SolverResources& resources) {
out << '{' << AbslUnparseFlag(resources) << '}';
return out;
}
SolverResourcesProto SolverResources::Proto() const {
SolverResourcesProto ret;
if (cpu.has_value()) {
ret.set_cpu(cpu.value());
}
if (ram.has_value()) {
ret.set_ram(ram.value());
}
return ret;
}
absl::StatusOr<SolverResources> SolverResources::FromProto(
const SolverResourcesProto& proto) {
SolverResources ret;
if (proto.has_cpu()) {
ret.cpu = proto.cpu();
}
if (proto.has_ram()) {
ret.ram = proto.ram();
}
return ret;
}
bool AbslParseFlag(const absl::string_view text,
SolverResources* const solver_resources,
std::string* const error) {
SolverResourcesProto proto;
if (!ProtobufParseTextProtoForFlag(text, &proto, error)) {
return false;
}
absl::StatusOr<SolverResources> resources = SolverResources::FromProto(proto);
if (!resources.ok()) {
*error = absl::StrCat(
"SolverResourcesProto was invalid and could not convert to "
"SolverResources: ",
resources.status().ToString());
return false;
}
*solver_resources = *std::move(resources);
return true;
}
std::string AbslUnparseFlag(const SolverResources& solver_resources) {
return ProtobufTextFormatPrintToStringForFlag(solver_resources.Proto());
}
} // namespace operations_research::math_opt