private DeleteMessagesResponseModel <string> ConstructDeleteBatchResponseModel(List <DeleteMessageBatchRequestEntry> deleteMessageBatchEntries, DeleteMessageBatchResponse deleteMessageBatchResponse)
{
DeleteMessagesResponseModel <string> deleteMessageBatchResponseModel = new DeleteMessagesResponseModel <string>();
deleteMessageBatchResponseModel.Successful
.AddRange(deleteMessageBatchEntries.Where(entry => deleteMessageBatchResponse.Successful
.Select(re => re.Id).Contains(entry.Id)).Select(entry => entry.ReceiptHandle));
deleteMessageBatchResponseModel.Failed
.AddRange(deleteMessageBatchEntries.Where(entry => deleteMessageBatchResponse.Failed
.Select(re => re.Id).Contains(entry.Id)).Select(entry => entry.ReceiptHandle));
return(deleteMessageBatchResponseModel);
}
/// <summary>
/// Removes messages from the queue after processing.
/// </summary>
/// <param name="receiptHandlers">The receiptHandlers received when a messages is red from the sqs queue.</param>
/// <returns>The number of successful deleted messages and the number of messages for which the delete operation failed.</returns>
public DeleteMessagesResponseModel <string> DeleteMessagesByReceiptHandler(IEnumerable <string> receiptHandlers)
{
DeleteMessagesResponseModel <string> deleteMessagesBatchGlobalResponse = new DeleteMessagesResponseModel <string>();
IEnumerable <string> receiptHandlersBatch = null;
int skipNumber = 0;
int batchSize = 10;
do
{
receiptHandlersBatch = receiptHandlers.Skip(skipNumber).Take(batchSize);
DeleteMessagesResponseModel <string> deleteMessagesBatchResponse = this.unitOfWork.DeleteMessages(receiptHandlersBatch);
deleteMessagesBatchGlobalResponse.Successful.AddRange(deleteMessagesBatchResponse.Successful);
deleteMessagesBatchGlobalResponse.Failed.AddRange(deleteMessagesBatchResponse.Failed);
skipNumber += batchSize;
}while (skipNumber < receiptHandlers.Count());
if (deleteMessagesBatchGlobalResponse.Failed.Count > 0)
{
skipNumber = 0;
do
{
receiptHandlersBatch = deleteMessagesBatchGlobalResponse.Failed.Take(batchSize);
foreach (string receiptHandler in receiptHandlersBatch)
{
deleteMessagesBatchGlobalResponse.Failed.Remove(receiptHandler);
}
DeleteMessagesResponseModel <string> deleteMessagesBatchResponse = this.unitOfWork.DeleteMessages(receiptHandlersBatch);
deleteMessagesBatchGlobalResponse.Successful.AddRange(deleteMessagesBatchResponse.Successful);
deleteMessagesBatchGlobalResponse.Failed.AddRange(deleteMessagesBatchResponse.Failed);
}while(deleteMessagesBatchGlobalResponse.Failed.Count > 0);
}
return(deleteMessagesBatchGlobalResponse);
}
public DeleteMessagesResponseModel <string> DeleteMessages(IEnumerable <string> receiptHandles)
{
List <DeleteMessageBatchRequestEntry> deleteMessageBatchEntries = new List <DeleteMessageBatchRequestEntry>();
int i = 0;
foreach (string receiptHandle in receiptHandles)
{
i++;
deleteMessageBatchEntries.Add(new DeleteMessageBatchRequestEntry()
{
Id = i.ToString(), ReceiptHandle = receiptHandle
});
}
DeleteMessageBatchRequest deleteMessageBatchRequest = new DeleteMessageBatchRequest(this.queueUrl, deleteMessageBatchEntries);
DeleteMessageBatchResponse deleteMessageBatchResponse = sqsClient.DeleteMessageBatch(deleteMessageBatchRequest);
DeleteMessagesResponseModel <string> deleteMessagesResponseModel = ConstructDeleteBatchResponseModel(deleteMessageBatchEntries, deleteMessageBatchResponse);
return(deleteMessagesResponseModel);
}
