Alexandria  2.22.0
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FileHandler.cpp
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1 /*
2  * Copyright (C) 2012-2021 Euclid Science Ground Segment
3  *
4  * This library is free software; you can redistribute it and/or modify it under
5  * the terms of the GNU Lesser General Public License as published by the Free
6  * Software Foundation; either version 3.0 of the License, or (at your option)
7  * any later version.
8  *
9  * This library is distributed in the hope that it will be useful, but WITHOUT
10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
11  * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
12  * details.
13  *
14  * You should have received a copy of the GNU Lesser General Public License
15  * along with this library; if not, write to the Free Software Foundation, Inc.,
16  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
17  */
18 
19 #include "FilePool/FileHandler.h"
20 
21 namespace Euclid {
22 namespace FilePool {
23 
24 FileHandler::FileHandler(const boost::filesystem::path& path, std::weak_ptr<FileManager> file_manager)
25  : m_path(path), m_file_manager(file_manager), m_is_readonly(true) {}
26 
28  for (auto& avail : m_available_fd) {
29  avail.second->close();
30  }
31 }
32 
34  return m_is_readonly;
35 }
36 
39  {
41  auto iter = m_available_fd.find(id);
42  if (iter == m_available_fd.end())
43  return false;
44  fd_ptr = std::move(iter->second);
45  m_available_fd.erase(iter);
46  }
47  fd_ptr->close();
48  return true;
49 }
50 
51 } // namespace FilePool
52 } // namespace Euclid
virtual ~FileHandler()
Destructor.
Definition: FileHandler.cpp:27
FileHandler(const boost::filesystem::path &path, std::weak_ptr< FileManager > file_manager)
Definition: FileHandler.cpp:24
std::map< FileManager::FileId, std::unique_ptr< FdWrapper > > m_available_fd
Definition: FileHandler.h:93
bool close(FileManager::FileId id)
Definition: FileHandler.cpp:37
intptr_t FileId
Opaque FileId, its concrete type should only be assumed to be copyable and hashable.
Definition: FileManager.h:64
T move(T... args)
Elements::Path::Item path