public IAsyncEnumerable <CounterGroupDetail> GetCounterValuesAsync(List <string> collectionsToExport, ICounterActions actions)
{
return(AsyncEnumerable.Empty <CounterGroupDetail>());
}
public IEnumerable <CounterGroupDetail> GetCounterValues(List <string> collectionsToExport, ICounterActions actions)
{
Debug.Assert(_context != null);
if (collectionsToExport?.Count > 0)
{
foreach (var collection in collectionsToExport)
{
foreach (var counter in _database.DocumentsStorage.CountersStorage.GetCountersFrom(_context, collection, _startDocumentEtag, 0, int.MaxValue))
{
yield return(counter);
}
}
yield break;
}
foreach (var counter in _database.DocumentsStorage.CountersStorage.GetCountersFrom(_context, _startDocumentEtag, 0, int.MaxValue))
{
yield return(counter);
}
}
public IEnumerable <CounterGroupDetail> GetCounterValues(List <string> collectionsToExport, ICounterActions actions)
{
Debug.Assert(_context != null);
var enumerator = new PulsedTransactionEnumerator <CounterGroupDetail, CountersIterationState>(_context,
state =>
{
if (state.StartEtagByCollection.Count != 0)
{
return(GetCounterValuesFromCollections(_context, state));
}
return(_database.DocumentsStorage.CountersStorage.GetCountersFrom(_context, state.StartEtag, 0, int.MaxValue));
},
new CountersIterationState(_context, _database.Configuration.Databases.PulseReadTransactionLimit) // initial state
{
StartEtag = _startDocumentEtag, StartEtagByCollection = collectionsToExport.ToDictionary(x => x, x => _startDocumentEtag)
});
while (enumerator.MoveNext())
{
yield return(enumerator.Current);
}
}
#pragma warning disable CS1998 // Async method lacks 'await' operators and will run synchronously
public async IAsyncEnumerable <CounterGroupDetail> GetCounterValuesAsync(List <string> collectionsToExport, ICounterActions actions)
#pragma warning restore CS1998 // Async method lacks 'await' operators and will run synchronously
{
Debug.Assert(_context != null);
var enumerator = new PulsedTransactionEnumerator <CounterGroupDetail, CountersIterationState>(_context,
state =>
{
if (state.StartEtagByCollection.Count != 0)
{
return(GetCounterValuesFromCollections(_context, state));
}
return(_database.DocumentsStorage.CountersStorage.GetCountersFrom(_context, state.StartEtag, 0, long.MaxValue));
},
new CountersIterationState(_context, _database.Configuration.Databases.PulseReadTransactionLimit) // initial state
{
StartEtag = _startDocumentEtag,
StartEtagByCollection = collectionsToExport.ToDictionary(x => x, x => _startDocumentEtag)
});
while (enumerator.MoveNext())
{
yield return(enumerator.Current);
}
}
