public async Task ReleaseLockAsync(IDistributedLockClaim claim)
{
await _retryPolicy.ExecuteAsync(async() =>
{
var response = await _documentClient.Value.DeleteDocumentAsync(
UriFactory.CreateDocumentUri(
_options.Value.Database,
_options.Value.DistributedLocksCollection,
claim.Id),
new RequestOptions
{
PartitionKey = new PartitionKey(claim.Id)
});
return(response.StatusCode == HttpStatusCode.OK);
}).ConfigureAwait(false);
}
public async Task <bool> TryClaimLockAsync(IDistributedLockClaim claim)
{
return(await _retryPolicy.ExecuteAsync(async() =>
{
try
{
var response = await _documentClient.Value.CreateDocumentAsync(
UriFactory.CreateDocumentCollectionUri(_options.Value.Database, _options.Value.DistributedLocksCollection),
claim,
new RequestOptions
{
ConsistencyLevel = _options.Value.ConsistencyLevel,
PartitionKey = new PartitionKey(claim.Id)
}).ConfigureAwait(false);
return response.StatusCode == HttpStatusCode.Created;
}
catch (DocumentClientException ex) when(ex.StatusCode == HttpStatusCode.Conflict)
{
// document was created before, lock acquisition failed
return false;
}
}).ConfigureAwait(false));
}
