mindspore2022/mindspore/ccsrc/backend/session/session_factory.cc

43 lines
1.4 KiB
C++

/**
* Copyright 2019 Huawei Technologies Co., Ltd
*
* 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 "backend/session/session_factory.h"
#include <memory>
#include <iostream>
#include <string>
namespace mindspore {
namespace session {
SessionFactory &SessionFactory::Get() {
static SessionFactory instance;
return instance;
}
void SessionFactory::Register(const std::string &device_name, SessionCreator &&session_creator) {
if (session_creators_.end() == session_creators_.find(device_name)) {
(void)session_creators_.emplace(device_name, session_creator);
}
}
std::shared_ptr<SessionBasic> SessionFactory::Create(const std::string &device_name) {
auto iter = session_creators_.find(device_name);
if (session_creators_.end() != iter) {
MS_EXCEPTION_IF_NULL(iter->second);
return (iter->second)();
}
return nullptr;
}
} // namespace session
} // namespace mindspore