/// <summary>
/// This timer will crawl through the data and find any item with no hash
/// It will then then select records to activate the hash generation routine
/// </summary>
private static void _timerCheck_Elapsed(object sender, System.Timers.ElapsedEventArgs e)
{
//If the system is turned off then do nothing
if (!ConfigHelper.EnabledDataManager)
{
return;
}
if (!IsActive)
{
return;
}
if (!EnableHouseKeeping)
{
return;
}
_timerCheck.Enabled = false;
try
{
const int BlockCount = 50;
const int WaitTime = 250;
var core = ((SystemCore)RepositoryManager.SystemCore);
while (_highPriority.Any())
{
//Try to get an ID from the high priority list
//if none found then grab an arbitrary one from the global list
Guid ID = Guid.Empty;
if (!_highPriority.TryTake(out ID))
{
return;
}
if (ID == Guid.Empty)
{
return;
}
//If there was an error it is in the skip list so never handle this ID again
if (!_skipList.Any(x => x == ID))
{
var sb = new StringBuilder();
var schema = RepositoryManager.GetSchema(ID);
if (schema != null)
{
DataQueryResults results = new DataQueryResults();
do
{
if (!IsActive)
{
return; //Stop when housekeeping comes on
}
var query = new DataQuery {
IncludeRecords = true, IncludeDimensions = false, ExcludeCount = true
};
query.FieldFilters.Add(new FieldFilter {
Name = SqlHelper.HashField, Comparer = ComparisonConstants.Equals, Value = 0
});
query.RecordsPerPage = BlockCount;
try
{
results = core.Manager.Query(ID, query, true);
Interlocked.Add(ref _counter, results.RecordList.Count);
}
catch
{
results = new DataQueryResults();
}
//Do not overload the system with background queries
if (results.ComputeTime > 2000)
{
System.Threading.Thread.Sleep(WaitTime * 2);
}
else if (core.GetCpu() > 60)
{
System.Threading.Thread.Sleep(WaitTime * 8);
}
else
{
System.Threading.Thread.Sleep(WaitTime);
}
} while (results.RecordList?.Count == BlockCount && results.ComputeTime < 5000);
}
}
}
if (InFullIndex)
{
SystemCore.PatchApply(FullIndexPatch, "DataManager:FullIndex");
}
}
catch (Exception ex)
{
LoggerCQ.LogError(ex);
}
finally
{
_timerCheck.Enabled = true;
}
}