/// <inheritdoc />
protected override async Task <ILockManagerTransaction> BeginTransactionAsync(CancellationToken cancellationToken)
{
if (!_initialized)
{
lock (_initSync)
{
if (!_initialized)
{
// Load all active locks and add them to the cleanup task.
// This ensures that locks still do expire.
var activeLocks = _connection.Table <ActiveLockEntry>().ToList();
foreach (var activeLock in activeLocks)
{
LockCleanupTask.Add(this, activeLock);
}
_initialized = true;
}
}
}
await _semaphore.WaitAsync(cancellationToken);
_connection.BeginTransaction();
return(new SQLiteLockManagerTransaction(_connection, _semaphore));
}
private void AddLocksToCleanupTask()
{
if (!File.Exists(_lockFileName))
{
return;
}
// Load all active locks and add them to the cleanup task.
// This ensures that locks still do expire.
try
{
var file = File.ReadAllText(_lockFileName);
var activeLocks = JsonConvert.DeserializeObject <ICollection <ActiveLock> >(file);
foreach (var activeLock in activeLocks)
{
LockCleanupTask.Add(this, activeLock);
}
}
catch (Exception ex)
{
_logger.LogWarning(0, ex, "Failed to load the lock file: {0}", ex.Message);
}
}