/// <summary>
/// Starts a process that retrieves all entries with a partition key greater or equal than <paramref name="minTimestamp"/>
/// </summary>
/// <remarks>
/// After 1000 elements are loaded this method will fire <see cref="EntriesReceived"/>.
/// </remarks>
/// <param name="table">The Azure WADLogs table to query against.</param>
/// <param name="minTimestamp">The smallest WADLogs partition key to put into result.</param>
/// <returns>All items from the WADLogs table inside the defined time.</returns>
public async Task <IEnumerable <TTableItem> > GetEntriesAsync(CloudTable table, string minTimestamp)
{
var term = TableQuery.GenerateFilterCondition("PartitionKey", QueryComparisons.GreaterThanOrEqual, minTimestamp);
var query = new TableQuery <TTableItem>().Where(term);
TableContinuationToken continuationToken = null;
var result = new List <TTableItem>();
do
{
var stopWatch = new Stopwatch();
QueryStarted?.Invoke(null, EventArgs.Empty);
stopWatch.Start();
try
{
var tableQueryResult = await table.ExecuteQuerySegmentedAsync(query, continuationToken);
stopWatch.Stop();
LastQueryTime = stopWatch.Elapsed;
QueryFinished?.Invoke(null, EventArgs.Empty);
continuationToken = tableQueryResult.ContinuationToken;
var entries = tableQueryResult.Results.ToList();
EntriesReceived?.Invoke(null, new TableEntityListEventArgs <TTableItem>(entries));
result.AddRange(entries);
}
catch (Exception ex)
{
Trace.TraceError(ex.Message);
}
}while (continuationToken != null);
return(result);
}
private void OnEntriesHandler(MemoryStream stream)
{
var entries = Schemes.Entries.DeserializeWithLengthPrefix(stream);
EntriesReceived?.Invoke(this, new EntriesEventArgs(entries));
}