public async Task <bool> IsLockedAsync(string assetId)
{
var partitionKey = CashoutLockEntity.GetPartitionKey(assetId);
var rowKey = CashoutLockEntity.GetRowKey(assetId);
return(await _storage.GetDataAsync(partitionKey, rowKey) != null);
}
public async Task <bool> ReleaseLockAsync(string assetId, Guid operationId)
{
var partitionKey = CashoutLockEntity.GetPartitionKey(assetId);
var rowKey = CashoutLockEntity.GetRowKey(assetId);
return(await _storage.DeleteIfExistAsync(
partitionKey,
rowKey,
// Exactly the given transaction should own current lock to remove it
lockEntity => lockEntity.OperationId == operationId));
}
public async Task <(DateTime lockedAt, Guid operationId)?> GetLockAsync(string assetId)
{
var partitionKey = CashoutLockEntity.GetPartitionKey(assetId);
var rowKey = CashoutLockEntity.GetRowKey(assetId);
var lockEntity = await _storage.GetDataAsync(partitionKey, rowKey);
if (lockEntity != null)
{
return(lockEntity.LockedAt, lockEntity.OperationId);
}
return(null);
}
public async Task <bool> TryLockAsync(string assetId, Guid operationId, DateTime lockedAt)
{
var partitionKey = CashoutLockEntity.GetPartitionKey(assetId);
var rowKey = CashoutLockEntity.GetRowKey(assetId);
var lockEntity = await _storage.GetOrInsertAsync(partitionKey, rowKey,
() => new CashoutLockEntity
{
PartitionKey = partitionKey,
RowKey = rowKey,
OperationId = operationId,
AssetId = assetId,
LockedAt = lockedAt
});
return(lockEntity?.OperationId == operationId);
}