private void SaveData()
{
_connection.RunInTransaction(() =>
{
var oldLength = _entry.Length;
var oldModificationTime = _entry.LastWriteTimeUtc;
var oldETag = _entry.ETag;
try
{
var data = new FileData()
{
Id = _entry.Id,
Data = _baseStream.ToArray(),
};
_entry.Length = data.Data.Length;
_entry.LastWriteTimeUtc = DateTime.UtcNow;
_entry.ETag = EntityTag.Parse(_entry.ETag).Single().Update().ToString();
_connection.InsertOrReplace(data);
_connection.Update(_entry);
}
catch (Exception)
{
_entry.Length = oldLength;
_entry.LastWriteTimeUtc = oldModificationTime;
_entry.ETag = oldETag;
throw;
}
});
}
/// <summary>
/// Initializes a new instance of the <see cref="SQLiteEntry"/> class.
/// </summary>
/// <param name="fileSystem">The file system this entry belongs to</param>
/// <param name="parent">The parent collection</param>
/// <param name="info">The file system information</param>
/// <param name="path">The root-relative path of this entry</param>
/// <param name="name">The entry name (<see langword="null"/> when <see cref="FileEntry.Name"/> of <see cref="SQLiteEntry.Info"/> should be used)</param>
protected SQLiteEntry(SQLiteFileSystem fileSystem, ICollection parent, FileEntry info, Uri path, [CanBeNull] string name)
{
Parent = parent;
Info = info;
SQLiteFileSystem = fileSystem;
Path = path;
ETag = EntityTag.Parse(Info.ETag).Single();
Name = name ?? info.Name;
}
/// <inheritdoc />
public Task SetCreationTimeUtcAsync(DateTime creationTime, CancellationToken cancellationToken)
{
if (Info.CreationTimeUtc != creationTime)
{
Info.CreationTimeUtc = creationTime;
Info.ETag = EntityTag.Parse(Info.ETag).Single().Update().ToString();
Connection.Update(Info);
}
return(Task.FromResult(0));
}
