AzureWebFarm.Services.WebDeployService.Dispose C# (CSharp) Method

        public void Dispose()
        {
            if (_cancellationToken != null && !_cancellationToken.IsCancellationRequested)
            {
                try
                {
                    _cancellationToken.Cancel();
                    _resetEvent.Set();
                }
                catch (Exception ex)
                {
                    _logger.Error("An error occured cancelling the web deploy lease thread.", ex);
                }
            }
            if (_leaseId == null) return;

            try
            {
                var blob = AzureRoleEnvironment.WebDeployLeaseBlob();
                blob.TryReleaseLease(_leaseId);
                blob.Metadata.Remove("InstanceId");
                blob.SetMetadata();
                _leaseId = null;
            }
            catch (Exception ex)
            {
                _logger.Error("An exception occured when attempting to clear the InstanceId from the web deploy lease metadata.", ex);
            }
        }