private void detach_QueueMessages(QueueMessage entity)
{
this.SendPropertyChanging();
entity.QueueContainer = null;
}
private IEnumerator <IAsyncResult> ListMessagesImpl(string queueNameStart, DateTime?visibilityStart, Guid messageIdStart, int?subQueueId, bool includeInvisibleMessages, int numberOfMessages, AsyncIteratorContext <ListMessagesResult> context)
{
IAsyncResult asyncResult = this.StorageManager.AsyncProcessor.BeginExecute <ListMessagesResult>((TimeSpan remaining) => {
ListMessagesResult listMessagesResults;
using (DevelopmentStorageDbDataContext dbContext = DevelopmentStorageDbDataContext.GetDbContext())
{
Microsoft.WindowsAzure.DevelopmentStorage.Store.QueueContainer queueContainer = this.LoadQueueContainer(dbContext);
this._queue = queueContainer;
queueNameStart = (string.IsNullOrEmpty(queueNameStart) ? this._queue.QueueName : queueNameStart);
DateTime?nullable = visibilityStart;
visibilityStart = new DateTime?((nullable.HasValue ? nullable.GetValueOrDefault() : DateTime.UtcNow));
IQueryable <QueueMessage> queueMessages =
from m in dbContext.QueueMessages
select m;
queueMessages =
from m in queueMessages
where (m.AccountName == this._queue.AccountName) && (m.QueueName == queueNameStart) && (m.ExpiryTime >= DateTime.UtcNow)
select m;
if (messageIdStart != Guid.Empty)
{
queueMessages = (!includeInvisibleMessages ?
from m in queueMessages
where ((DateTime?)m.VisibilityStartTime > visibilityStart) && (m.VisibilityStartTime <= DateTime.UtcNow) || ((DateTime?)m.VisibilityStartTime == visibilityStart) && (m.VisibilityStartTime <= DateTime.UtcNow) && string.Compare(m.MessageId.ToString(), messageIdStart.ToString(), true) >= 0
select m :
from m in queueMessages
where ((DateTime?)m.VisibilityStartTime > visibilityStart) || ((DateTime?)m.VisibilityStartTime == visibilityStart) && string.Compare(m.MessageId.ToString(), messageIdStart.ToString(), true) >= 0
select m);
}
else if (!includeInvisibleMessages)
{
queueMessages =
from m in queueMessages
where (DateTime?)m.VisibilityStartTime <= visibilityStart
select m;
}
queueMessages = (
from m in queueMessages
orderby m.VisibilityStartTime
select m).Take <QueueMessage>(numberOfMessages);
ListMessagesResult listMessagesResults1 = new ListMessagesResult();
List <IMessageData> messageDatas = new List <IMessageData>();
int num = 1;
QueueMessage queueMessage = null;
foreach (QueueMessage queueMessage1 in queueMessages)
{
queueMessage = queueMessage1;
messageDatas.Add(new DbMessageData(queueMessage1, true));
num++;
}
if (num > numberOfMessages && queueMessage != null)
{
IQueryable <QueueMessage> queueMessages1 = (
from msg in dbContext.QueueMessages
where (msg.AccountName == queueMessage.AccountName) && (msg.QueueName == queueMessage.QueueName) && ((msg.VisibilityStartTime > queueMessage.VisibilityStartTime) || (msg.VisibilityStartTime == queueMessage.VisibilityStartTime) && string.Compare(msg.MessageId.ToString(), queueMessage.MessageId.ToString(), true) > 0)
orderby msg.VisibilityStartTime, msg.MessageId
select msg).Take <QueueMessage>(1);
if (queueMessages1 != null && queueMessages1.Count <QueueMessage>() > 0)
{
QueueMessage queueMessage2 = queueMessages1.First <QueueMessage>();
listMessagesResults1.NextMarker = SummaryResult.EncodeMarker <ListMessagesMarker>(new ListMessagesMarker(queueMessage2.QueueName, 0, new DateTime?(queueMessage2.VisibilityStartTime), queueMessage2.MessageId));
}
}
listMessagesResults1.Messages = messageDatas;
listMessagesResults = listMessagesResults1;
}
return(listMessagesResults);
}, this.Timeout, context.GetResumeCallback(), context.GetResumeState("DbQueueContainer.PeekMessage"));
yield return(asyncResult);
context.ResultData = this.StorageManager.AsyncProcessor.EndExecute <ListMessagesResult>(asyncResult);
}
public DbMessageData(QueueMessage message, bool isPeekMessage)
{
this.m_message = message;
this.m_isPeekMessage = isPeekMessage;
}
