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ChangeMessageVisibilityBatch
action.
param.n notation. Values of n
are integers starting from 1. For example, a parameter list with two elements looks
like this: &Attribute.1=this
&Attribute.2=that
Namespace: Amazon.SQS
Assembly: AWSSDK.dll
Version: (assembly version)
public virtual ChangeMessageVisibilityBatchResponse ChangeMessageVisibilityBatch( ChangeMessageVisibilityBatchRequest request )
Container for the necessary parameters to execute the ChangeMessageVisibilityBatch service method.
| Exception | Condition |
|---|---|
| BatchEntryIdsNotDistinctException | Two or more batch entries have the same Id in the request. |
| EmptyBatchRequestException | Batch request does not contain an entry. |
| InvalidBatchEntryIdException | The Id of a batch entry in a batch request does not abide by the specification. |
| TooManyEntriesInBatchRequestException | Batch request contains more number of entries than permissible. |
This example shows how to change message visibility in batch.
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);
}
}
}
.NET Framework:
Supported in: 4.5, 4.0, 3.5