/// <summary>
/// Initialize the cache by performing the initial data population and setting up the scheduler.
/// </summary>
public static void Initialize()
{
if (startHour < 0 || startHour > 23)
{
throw new ConfigurationErrorsException("cache:RefreshHourOfDay must be between 0 and 23.");
}
if (interval < 1)
{
throw new ConfigurationErrorsException("cache:RefreshIntervalHours must be greater than 1.");
}
// Performs initial data population
ContactMap.Refresh();
// Setting up the scheduler
IScheduler scheduler = Quartz.Impl.StdSchedulerFactory.GetDefaultScheduler();
scheduler.Start();
IJobDetail job = JobBuilder.Create <ContactMapRefreshJob>().Build();
ITrigger trigger = TriggerBuilder.Create()
.WithDailyTimeIntervalSchedule
(s =>
s.WithIntervalInHours(interval)
.OnEveryDay()
.StartingDailyAt(TimeOfDay.HourAndMinuteOfDay(startHour, 0))
)
.Build();
scheduler.ScheduleJob(job, trigger);
}
/// <summary>
/// Refresh the cache.
/// </summary>
public static void Refresh()
{
List <Message> messagesList = new List <Message>();
// The new data
Dictionary <string, int> userComboPlusScore = new Dictionary <string, int>();
Dictionary <string, List <UserScore> > wkwScores = new Dictionary <string, List <UserScore> >();
messagesList = ContactMap.GetMessages();
if (messagesList == null || messagesList.Count == 0)
{
return;
}
userComboPlusScore = ContactMap.ComputeUserComboScore(messagesList);
wkwScores = ContactMap.WhoKnowsWhoScoreMap(userComboPlusScore);
if (wkwScores.Count() == 0)
{
// don't update if there is nothing
return;
}
// Commit the new data as the official copy.
myLock.Wait();
try
{
theWkwScoreMap = wkwScores;
samples = wkwScores.Keys.ToList();
lastLoadTime = DateTimeOffset.UtcNow;
}
finally
{
myLock.Release();
}
}
/// <summary>
/// Callback for scheduled execution.
/// </summary>
/// <param name="context">The execution context</param>
public void Execute(IJobExecutionContext context)
{
ContactMap.Refresh();
}