public const_iterator(FileMappedVector fileMappedVector, ulong index)
{
this.m_fileMappedVector = new FileMappedVector(fileMappedVector);
//C++ TO C# CONVERTER TODO TASK: The following line was determined to be a copy assignment (rather than a reference assignment) - this should be verified and a 'CopyFrom' method should be created:
//ORIGINAL LINE: this.m_index = index;
this.m_index.CopyFrom(index);
}
public void swap(FileMappedVector other)
{
m_path.swap(other.m_path);
m_file.swap(other.m_file);
std::swap(m_prefixSize, other.m_prefixSize);
std::swap(m_suffixSize, other.m_suffixSize);
}
//C++ TO C# CONVERTER TODO TASK: The original C++ template specifier was replaced with a C# generic specifier, which may not produce the same behavior:
//ORIGINAL LINE: template<class F>
//C++ TO C# CONVERTER TODO TASK: 'rvalue references' have no equivalent in C#:
private void atomicUpdate0 <F>(ulong newCapacity, ulong newPrefixSize, ulong newSuffixSize, F&& func)
{
if (m_file.path() != m_path)
{
throw new System.Exception("Vector is mapped to a .bak file due to earlier errors");
}
boost::filesystem.path bakPath = m_path + ".bak";
boost::filesystem.path tmpPath = boost::filesystem.unique_path(m_path + ".tmp.%%%%-%%%%");
if (boost::filesystem.exists(bakPath))
{
boost::filesystem.remove(bakPath);
}
Tools.ScopeExit tmpFileDeleter(() =>
{
boost::system.error_code ignore = new boost::system.error_code();
boost::filesystem.remove(tmpPath, ignore);
});
// Copy file. It is slow but atomic operation
FileMappedVector <T> tmpVector = new FileMappedVector <T>();
tmpVector.create(tmpPath.string(), new ulong(newCapacity), new ulong(newPrefixSize), new ulong(newSuffixSize));
func(tmpVector);
tmpVector.flush();
// Swap files
std::error_code ec = new std::error_code();
std::error_code ignore = new std::error_code();
m_file.rename(bakPath.string());
tmpVector.rename(m_path, ec);
if (ec != null)
{
// Try to restore and ignore errors
m_file.rename(m_path, ignore);
throw std::system_error(ec, "Failed to swap temporary and vector files");
}
m_path = bakPath.string();
swap(tmpVector);
tmpFileDeleter.cancel();
// Remove .bak file and ignore errors
tmpVector.close(ignore);
boost::system.error_code boostError = new boost::system.error_code();
boost::filesystem.remove(bakPath, boostError);
}
public iterator(FileMappedVector fileMappedVector, ulong index) : base(fileMappedVector, new ulong(index))
{
}
