private void DequeueXmlDataTaskMain(DequeueXmlDataTaskState state)
{
Guard.ArgumentNotNull(state, "state");
using (ICloudQueueStorage workItemQueue = state.StorageProvider.GetQueueStorage(state.Settings.CloudStorageAccount))
using (SqlAzurePersistenceQueue dbQueue = new SqlAzurePersistenceQueue())
{
dbQueue.Open(WellKnownDatabaseName.PersistenceQueue);
using (XmlReader xmlReader = dbQueue.DequeueXmlData(state.QueueItemInfo.QueueItemId, state.HeaderSegments, state.BodySegments, state.FooterSegments, state.NamespaceManager))
{
if (xmlReader != null)
{
XDocument batch = XDocument.Load(xmlReader);
// Check for presence of any items in the batch.
bool batchFound = (batch.XPathSelectElement(state.ItemDetectionXPath) != null);
if (batchFound)
{
workItemQueue.Put <XDocument>(state.Settings.DestinationQueue, batch);
}
}
}
}
}
public void TestDequeueXmlData()
{
XPathQueryLibrary xPathLib = ApplicationConfiguration.Current.XPathQueries;
var headerSegments = new List <string>();
var bodySegments = new List <string>();
var footerSegments = new List <string>();
headerSegments.Add(xPathLib.GetXPathQuery("InventoryHeader"));
footerSegments.Add(xPathLib.GetXPathQuery("InventorySummary"));
footerSegments.Add(xPathLib.GetXPathQuery("InventoryIRRSegment"));
string itemXPath = xPathLib.GetXPathQuery("InventoryItems");
int fromItem = 1;
int xmlBatchSize = 50;
XDocument batch = null;
Guid queueItemId = Guid.Parse("6DA1B27D-714D-465D-93B8-234B085CF6E4");
using (SqlAzurePersistenceQueue dbQueue = new SqlAzurePersistenceQueue())
{
dbQueue.Open(WellKnownDatabaseName.PersistenceQueue);
int toItem = fromItem + xmlBatchSize - 1;
bodySegments.Clear();
bodySegments.Add(String.Format(xPathLib.GetXPathQuery("InventoryItemBatchTemplate"), fromItem, toItem));
using (XmlReader xmlReader = dbQueue.DequeueXmlData(queueItemId, headerSegments, bodySegments, footerSegments, xPathLib.Namespaces.NamespaceManager))
{
if (xmlReader != null)
{
batch = XDocument.Load(xmlReader);
}
}
}
}