/// <summary>
/// MUST BE SYNCHRON
/// GAPS MUST BE ORDERED
/// </summary>
internal static void Start(int lastDatabaseId, int lastExecutedId, int[] gaps, System.IO.TextWriter consoleOut)
{
if (consoleOut != null)
{
consoleOut.WriteLine("Executing unprocessed activities. {0}-{1} {2}", lastExecutedId, lastDatabaseId, CompletionState.GapsToString(gaps, 5, 3));
}
SnLog.WriteInformation("Executing unprocessed activities.",
EventId.RepositoryRuntime,
properties: new Dictionary <string, object> {
{ "LastDatabaseId", lastDatabaseId },
{ "LastExecutedId", lastExecutedId },
{ "CountOfGaps", gaps.Length },
{ "Gaps", String.Join(", ", gaps) }
});
DependencyManager.Start();
var count = 0;
if (gaps.Any())
{
var loadedActivities = new IndexingActivityLoader(gaps, true);
foreach (LuceneIndexingActivity loadedActivity in loadedActivities)
{
// wait and start processing loaded activities in the meantime
WaitIfOverloaded(true);
SnTrace.IndexQueue.Write("IAQ: Startup: A{0} enqueued from db.", loadedActivity.Id);
IndexingActivityHistory.Arrive(loadedActivity);
_arrivalQueue.Enqueue(loadedActivity);
_lastQueued = loadedActivity.Id;
count++;
}
}
if (lastExecutedId < lastDatabaseId)
{
var loadedActivities = new IndexingActivityLoader(lastExecutedId + 1, lastDatabaseId, true);
foreach (LuceneIndexingActivity loadedActivity in loadedActivities)
{
// wait and start processing loaded activities in the meantime
WaitIfOverloaded(true);
SnTrace.IndexQueue.Write("IAQ: Startup: A{0} enqueued from db.", loadedActivity.Id);
IndexingActivityHistory.Arrive(loadedActivity);
_arrivalQueue.Enqueue(loadedActivity);
_lastQueued = loadedActivity.Id;
count++;
}
}
if (_lastQueued < lastExecutedId)
{
_lastQueued = lastExecutedId;
}
// ensure that the arrival activity queue is not empty at this pont.
DependencyManager.ActivityEnqueued();
if (lastDatabaseId != 0 || lastExecutedId != 0 || gaps.Any())
{
while (IsWorking())
{
Thread.Sleep(200);
}
}
// At this point we know for sure that the original gap is not there anymore.
// In case there is a false gap (e.g. because there are missing activity ids
// in the db) we have to remove these ids manually from the in-memory gap.
if (gaps.Any())
{
TerminationHistory.RemoveGaps(gaps);
// Commit is necessary because otherwise the gap is removed only in memory, but
// the index is not updated in the file system.
LuceneManager.Commit();
}
SnLog.WriteInformation($"Executing unprocessed activities ({count}) finished.", EventId.RepositoryLifecycle);
}
