public void ChangeMessageVisibilityBatch()
{
AmazonSQSClient client = new AmazonSQSClient();
string queueUrl = "SQS_QUEUE_URL";
var receiveMessageRequest = new ReceiveMessageRequest
{
AttributeNames = { "SentTimestamp" },
MaxNumberOfMessages = 5,
MessageAttributeNames = { "All" },
QueueUrl = queueUrl
};
var receiveMessageResponse = client.ReceiveMessage(receiveMessageRequest);
List <ChangeMessageVisibilityBatchRequestEntry> entries = new List <ChangeMessageVisibilityBatchRequestEntry>();
foreach (var message in receiveMessageResponse.Messages)
{
entries.Add(new ChangeMessageVisibilityBatchRequestEntry
{
Id = message.MessageId,
ReceiptHandle = message.ReceiptHandle,
VisibilityTimeout = 36000, // 10 hour timeout
});
}
var changeMessageVisibilityBatchResponse = client.ChangeMessageVisibilityBatch(new ChangeMessageVisibilityBatchRequest
{
QueueUrl = queueUrl,
Entries = entries
});
Console.WriteLine("Messages successfully changed:");
foreach (var success in changeMessageVisibilityBatchResponse.Successful)
{
Console.WriteLine(" Message id : {0}", success.Id);
}
Console.WriteLine("Messages failed to change:");
foreach (var failed in changeMessageVisibilityBatchResponse.Failed)
{
Console.WriteLine(" Message id : {0}", failed.Id);
Console.WriteLine(" Sender's fault? : {0}", failed.SenderFault);
}
}
public static void SQSChangeMessageVisibilityBatch()
{
#region SQSChangeMessageVisibilityBatch
var client = new AmazonSQSClient();
var url = "https://sqs.us-east-1.amazonaws.com/80398EXAMPLE/MyTestQueue";
// Receive messages.
var msgRequest = new ReceiveMessageRequest
{
AttributeNames = new List <string>()
{
"All"
},
QueueUrl = url
};
var msgResponse = client.ReceiveMessage(msgRequest);
// Change visibility timeout for each message.
if (msgResponse.Messages.Count > 0)
{
var entries = new List <ChangeMessageVisibilityBatchRequestEntry>();
int numMessages = 0;
foreach (var message in msgResponse.Messages)
{
numMessages += 1;
var entry = new ChangeMessageVisibilityBatchRequestEntry
{
Id = "Entry" + numMessages.ToString(),
ReceiptHandle = message.ReceiptHandle,
VisibilityTimeout = (int)TimeSpan.FromMinutes(10).TotalSeconds
};
entries.Add(entry);
}
var batRequest = new ChangeMessageVisibilityBatchRequest
{
Entries = entries,
QueueUrl = url
};
var batResponse = client.ChangeMessageVisibilityBatch(batRequest);
Console.WriteLine("Successes: " + batResponse.Successful.Count +
", Failures: " + batResponse.Failed.Count);
if (batResponse.Successful.Count > 0)
{
foreach (var success in batResponse.Successful)
{
Console.WriteLine(" Success ID " + success.Id);
}
}
if (batResponse.Failed.Count > 0)
{
foreach (var fail in batResponse.Failed)
{
Console.WriteLine(" Failure ID " + fail.Id + ":");
Console.WriteLine(" Code: " + fail.Code);
Console.WriteLine(" Message: " + fail.Message);
Console.WriteLine(" Sender's fault?: " + fail.SenderFault);
}
}
}
#endregion
Console.ReadLine();
}
