public QueueStatistics Statistics(string queue)
{
AssertValidQueuePath(queue);
QueueStatistics result = null;
transactionalStorage.Batch(actions => result = actions.Queues.Statistics(queue));
if (result == null)// non existant queue is also empty queue by default
{
return(new QueueStatistics
{
Name = queue,
NumberOfMessages = 0
});
}
return(result);
}
public async Task TestQueueStatistics()
{
IQueueingService provider = CreateProvider();
CancellationTokenSource cancellationTokenSource = new CancellationTokenSource(TestTimeout(TimeSpan.FromSeconds(10)));
QueueName queueName = CreateRandomQueueName();
await provider.CreateQueueAsync(queueName, cancellationTokenSource.Token);
QueueStatistics statistics = await provider.GetQueueStatisticsAsync(queueName, cancellationTokenSource.Token);
Assert.IsNotNull(statistics);
QueueMessagesStatistics messageStatistics = statistics.MessageStatistics;
Assert.IsNotNull(messageStatistics);
Assert.AreEqual(messageStatistics.Free, 0);
Assert.AreEqual(messageStatistics.Claimed, 0);
Assert.AreEqual(messageStatistics.Total, 0);
Assert.IsNull(messageStatistics.Oldest);
Assert.IsNull(messageStatistics.Newest);
Console.WriteLine("Statistics:");
Console.WriteLine();
Console.WriteLine(JsonConvert.SerializeObject(statistics, Formatting.Indented));
await provider.PostMessagesAsync(queueName, cancellationTokenSource.Token, new Message <SampleMetadata>(TimeSpan.FromSeconds(120), new SampleMetadata(3, "yes")));
statistics = await provider.GetQueueStatisticsAsync(queueName, cancellationTokenSource.Token);
Assert.IsNotNull(statistics);
messageStatistics = statistics.MessageStatistics;
Assert.IsNotNull(messageStatistics);
Assert.AreEqual(messageStatistics.Free, 1);
Assert.AreEqual(messageStatistics.Claimed, 0);
Assert.AreEqual(messageStatistics.Total, 1);
Assert.IsNotNull(messageStatistics.Oldest);
Assert.IsNotNull(messageStatistics.Newest);
Console.WriteLine("Statistics:");
Console.WriteLine();
Console.WriteLine(JsonConvert.SerializeObject(statistics, Formatting.Indented));
await provider.DeleteQueueAsync(queueName, cancellationTokenSource.Token);
}
public void SynchronousTestQueueStatistics()
{
IQueueingService provider = CreateProvider();
QueueName queueName = CreateRandomQueueName();
provider.CreateQueue(queueName);
QueueStatistics statistics = provider.GetQueueStatistics(queueName);
Assert.IsNotNull(statistics);
QueueMessagesStatistics messageStatistics = statistics.MessageStatistics;
Assert.IsNotNull(messageStatistics);
Assert.AreEqual(messageStatistics.Free, 0);
Assert.AreEqual(messageStatistics.Claimed, 0);
Assert.AreEqual(messageStatistics.Total, 0);
Assert.IsNull(messageStatistics.Oldest);
Assert.IsNull(messageStatistics.Newest);
Console.WriteLine("Statistics:");
Console.WriteLine();
Console.WriteLine(JsonConvert.SerializeObject(statistics, Formatting.Indented));
provider.PostMessages(queueName, new Message <SampleMetadata>(TimeSpan.FromSeconds(120), new SampleMetadata(3, "yes")));
statistics = provider.GetQueueStatistics(queueName);
Assert.IsNotNull(statistics);
messageStatistics = statistics.MessageStatistics;
Assert.IsNotNull(messageStatistics);
Assert.AreEqual(messageStatistics.Free, 1);
Assert.AreEqual(messageStatistics.Claimed, 0);
Assert.AreEqual(messageStatistics.Total, 1);
Assert.IsNotNull(messageStatistics.Oldest);
Assert.IsNotNull(messageStatistics.Newest);
Console.WriteLine("Statistics:");
Console.WriteLine();
Console.WriteLine(JsonConvert.SerializeObject(statistics, Formatting.Indented));
provider.DeleteQueue(queueName);
}
