/// <summary>
/// Creates the table if not exist implementation.
/// </summary>
/// <param name="tableName">The table name.</param>
/// <param name="setResult">The set result.</param>
/// <returns>A sequence of tasks to do the operation.</returns>
private TaskSequence CreateTableIfNotExistImpl(string tableName, Action <bool> setResult)
{
CommonUtils.CheckStringParameter(tableName, false, "tableName", Protocol.Constants.TableServiceMaxStringPropertySizeInChars);
TableServiceUtilities.CheckTableName(tableName, "tableName");
var doesTableExistTask = new InvokeTaskSequenceTask <bool>((set) => this.DoesTableExistImpl(tableName, set));
yield return(doesTableExistTask);
if (doesTableExistTask.Result)
{
setResult(false);
}
else
{
var createTableTask = TaskImplHelper.GetRetryableAsyncTask <InvalidOperationException>((resultSetter) => this.CreateTableImpl(tableName, resultSetter), RetryPolicy);
yield return(createTableTask);
// wrap any exceptions
try
{
if (createTableTask.Result == null)
{
setResult(true);
}
else
{
StorageClientException exception = Utilities.TranslateDataServiceClientException(createTableTask.Result) as StorageClientException;
if (exception != null &&
exception.ErrorCode == StorageErrorCode.ResourceAlreadyExists &&
exception.ExtendedErrorInformation != null &&
exception.ExtendedErrorInformation.ErrorCode == TableErrorCodeStrings.TableAlreadyExists)
{
setResult(false);
}
else
{
throw createTableTask.Result;
}
}
}
catch (InvalidOperationException ex)
{
throw Utilities.TranslateDataServiceClientException(ex);
}
}
}
private bool _handleStorageClientException(CloudBlob blob, StorageClientException err)
{
switch (err.ErrorCode)
{
case StorageErrorCode.ResourceNotFound:
blob.UploadText(_lockFile);
return true;
case StorageErrorCode.ContainerNotFound:
// container is missing, we should create it.
_azureDirectory.BlobContainer.Delete();
_azureDirectory.CreateContainer();
return true;
default:
return false;
}
}
private Exception WrapException(StorageClientException ex)
{
if (ex.ErrorCode == StorageErrorCode.AccessDenied
|| ex.ErrorCode == StorageErrorCode.AccountNotFound
|| ex.ErrorCode == StorageErrorCode.AuthenticationFailure) {
return new BlobSecurityException(ex);
}
return ex;
}
public TestableStorageClientException(StorageClientException ex)
{
ErrorCode = ex.ErrorCode;
}