public Tuple <DateTime, double?[]>[] GetSamples(int[] trendTagIds, DateTime startTime,
DateTime?endTime, int rarerer)
{
using (ITrendsRepository repository = _repositoryFactory.Create()) {
return(repository.GetSamples(trendTagIds, startTime, endTime, rarerer));
}
}
public void Run()
{
using (ITrendsRepository repository = _repositoryFactory.Create()) {
DeleteOldTrendSamples(repository);
ProcessTrends(repository);
}
}
public Tuple <DateTime, double?[]>[] GetPage(int[] trendTagIds, CriteriaType criteriaType,
DateTime criteria, int maxCount)
{
using (ITrendsRepository repository = _repositoryFactory.Create()) {
return(repository.GetPage(trendTagIds, criteriaType, criteria, maxCount));
}
}
private void DeleteOldTrendSamples(ITrendsRepository repository)
{
if (!_timeToStore.HasValue)
{
return;
}
repository.DeleteOld(_timeService.UtcTime - _timeToStore.Value);
}
private void ProcessTrends(ITrendsRepository repository)
{
DateTime time = _timeService.UtcTime;
var infoToInsert = (from info in _trendsInfo.Values
where info.TriggerValue()
let value = info.Value()
where value.HasValue
select new Tuple <int, double>(info.Id, value.Value)).ToArray();
if (infoToInsert.Any())
{
repository.Insert(time, _tableSelector.NextTable(), infoToInsert);
}
}
public ITrendsRunTarget Create(string connectionString, IProject project, TrendCategory trendCategory,
ITimeService timeService)
{
var npgsqlConnectionFactory = new NpgsqlConnectionFactory(connectionString);
var repositoryFactory = new TrendsRepositoryFactory(
npgsqlConnectionFactory,
trendCategory.Id,
trendCategory.TrendTags.Select(t => t.Id).ToArray());
using (ITrendsRepository repository = repositoryFactory.Create()) {
repository.EnsureTables();
}
return(new TrendsRunTarget(
trendCategory,
new NotificationReporter(timeService)
{
LifeTime = TimeSpan.FromTicks(0)
},
repositoryFactory,
project,
timeService,
new TrendTableSelector()));
}
private void ProcessTrends(ITrendsRepository repository)
{
var time = _timeService.UtcTime;
var infoToInsert = (from info in _trendsInfo.Values
where info.TriggerValue()
let value = info.Value()
where value.HasValue
select new Tuple<int, double>(info.Id, value.Value)).ToArray();
if (infoToInsert.Any())
{
repository.Insert(time, _tableSelector.NextTable(), infoToInsert);
}
}
private void DeleteOldTrendSamples(ITrendsRepository repository)
{
if (!_timeToStore.HasValue)
return;
repository.DeleteOld(_timeService.UtcTime - _timeToStore.Value);
}
public TrendsService(ITrendsRepository repository)
{
_repository = repository;
}
