/// <summary>
/// Takes a site model spatial change map and incorporates those changes in the changes for each machine in the
/// site model.
/// Once items are processed they are removed from the change map queue retirement queue.
/// </summary>
private bool ProcessItem(ISiteModelChangeBufferQueueItem item)
{
try
{
if (item == null)
{
_log.LogError("Item supplied to queue processor is null. Aborting");
return(false);
}
if (item.Content == null)
{
_log.LogError("Item supplied to queue processor has no internal content. Aborting");
return(false);
}
var siteModel = DIContext.Obtain <ISiteModels>().GetSiteModel(item.ProjectUID);
if (siteModel == null)
{
_log.LogError($"Site model {item.ProjectUID} does not exist [deleted?]. Aborting");
return(false);
}
// Implement change map integration into machine change maps
// 0. Obtain transaction (will create implicit locks on items)
// 1. Read record for machine
// 2. Integrate new map
// 3. Write record back to store
// 4. Commit transaction
_log.LogInformation($"Processing an item: {item.Operation}, project:{item.ProjectUID}, machine:{item.MachineUid}");
var sw = Stopwatch.StartNew();
switch (item.Operation)
{
case SiteModelChangeMapOperation.AddSpatialChanges: // Add the two of them together...
{
// Add the spatial change to every machine in the site model
foreach (var machine in siteModel.Machines)
{
var l = _changeMapProxy.Lock(item.ProjectUID, machine.ID);
l.Enter();
try
{
var currentMask = _changeMapProxy.Get(item.ProjectUID, machine.ID);
if (currentMask == null)
{
currentMask = new SubGridTreeSubGridExistenceBitMask();
currentMask.SetOp_OR(siteModel.ExistenceMap);
}
// Extract the change map from the item
var updateMask = new SubGridTreeSubGridExistenceBitMask();
updateMask.FromBytes(item.Content);
currentMask.SetOp_OR(updateMask);
_changeMapProxy.Put(item.ProjectUID, machine.ID, currentMask);
}
finally
{
l.Exit();
}
}
break;
}
case SiteModelChangeMapOperation.RemoveSpatialChanges: // Subtract from the change map...
{
var l = _changeMapProxy.Lock(item.ProjectUID, item.MachineUid);
l.Enter();
try
{
// Remove the spatial change only from the machine the made the query
var currentMask = _changeMapProxy.Get(item.ProjectUID, item.MachineUid);
if (currentMask != null)
{
// Extract the change map from the item
var updateMask = new SubGridTreeSubGridExistenceBitMask();
currentMask.SetOp_ANDNOT(updateMask);
_changeMapProxy.Put(item.ProjectUID, item.MachineUid, currentMask);
}
}
finally
{
l.Exit();
}
break;
}
default:
_log.LogError($"Unknown operation encountered: {(int) item.Operation}");
return(false);
}
_log.LogInformation($"Completed processing an item in {sw.Elapsed}: {item.Operation}, project:{item.ProjectUID}, machine:{item.MachineUid}");
return(true);
}
catch (Exception e)
{
_log.LogError(e, "Exception thrown while processing queued items:");
throw;
}
}
private void CompareSiteModels(ISiteModel sm1, ISiteModel sm2,
int expectedExistanceMapSubGridCount, int expectedCallPassCount, int expectedNonNullCelCount)
{
var bitCount1 = sm1.ExistenceMap.CountBits();
var bitCount2 = sm2.ExistenceMap.CountBits();
// Check both site models have the same number of sub grids in their existence maps
bitCount1.Should().Be(bitCount2);
bitCount1.Should().Be(expectedExistanceMapSubGridCount);
// Check the content of the existence maps is identical
var testMap = new SubGridTreeSubGridExistenceBitMask();
testMap.SetOp_OR(sm1.ExistenceMap);
testMap.SetOp_XOR(sm2.ExistenceMap);
testMap.CountBits().Should().Be(0);
// The expected distribution of cell pass counts
long[] expectedCounts = { 93, 687, 68, 385, 57, 598, 65, 986, 52, 63, 0, 0, 0, 0, 0 };
// Scan the leaves in each model and count cell passes
int sm1Count = 0;
int sm1LeafCount = 0;
long[] actualCounts1 = new long[15];
int segmentCount1 = 0;
int nonNullCellCount1 = 0;
sm1.ExistenceMap.ScanAllSetBitsAsSubGridAddresses(address =>
{
sm1LeafCount++;
var leaf = SubGridUtilities.LocateSubGridContaining(sm1.PrimaryStorageProxy, sm1.Grid, address.X, address.Y, sm1.Grid.NumLevels, false, false) as IServerLeafSubGrid;
var iterator = new SubGridSegmentIterator(leaf, sm1.PrimaryStorageProxy);
while (iterator.MoveNext())
{
segmentCount1++;
TRex.SubGridTrees.Core.Utilities.SubGridUtilities.SubGridDimensionalIterator((x, y) =>
{
var passCount = iterator.CurrentSubGridSegment.PassesData.PassCount(x, y);
sm1Count += passCount;
if (passCount > 0)
{
nonNullCellCount1++;
actualCounts1[passCount - 1]++;
}
});
}
});
int sm2Count = 0;
int sm2LeafCount = 0;
long[] actualCounts2 = new long[15];
int segmentCount2 = 0;
int nonNullCellCount2 = 0;
sm2.ExistenceMap.ScanAllSetBitsAsSubGridAddresses(address =>
{
sm2LeafCount++;
var leaf = SubGridUtilities.LocateSubGridContaining(sm2.PrimaryStorageProxy, sm2.Grid, address.X, address.Y, sm2.Grid.NumLevels, false, false) as IServerLeafSubGrid;
var iterator = new SubGridSegmentIterator(leaf, sm2.PrimaryStorageProxy);
while (iterator.MoveNext())
{
segmentCount2++;
TRex.SubGridTrees.Core.Utilities.SubGridUtilities.SubGridDimensionalIterator((x, y) =>
{
var passCount = iterator.CurrentSubGridSegment.PassesData.PassCount(x, y);
sm2Count += passCount;
if (passCount > 0)
{
nonNullCellCount2++;
actualCounts2[passCount - 1]++;
}
});
}
});
segmentCount1.Should().Be(segmentCount2);
segmentCount1.Should().Be(sm1LeafCount);
sm1LeafCount.Should().Be(expectedExistanceMapSubGridCount);
sm1Count.Should().Be(sm2Count);
sm2LeafCount.Should().Be(expectedExistanceMapSubGridCount);
sm1Count.Should().Be(expectedCallPassCount);
actualCounts1.Should().BeEquivalentTo(actualCounts2);
actualCounts1.Should().BeEquivalentTo(expectedCounts);
nonNullCellCount1.Should().Be(nonNullCellCount2);
nonNullCellCount1.Should().Be(expectedNonNullCelCount);
}
