//JAVA TO C# CONVERTER TODO TASK: Most Java annotations will not have direct .NET equivalent attributes:
//ORIGINAL LINE: @Test public void testRelationshipCountersUpdates()
public virtual void TestRelationshipCountersUpdates()
{
int relationTypes = 2;
int labels = 3;
NodeLabelsCache.Client client = mock(typeof(NodeLabelsCache.Client));
when(_nodeLabelCache.newClient()).thenReturn(client);
when(_nodeLabelCache.get(eq(client), eq(1L), any(typeof(int[])))).thenReturn(new int[] { 0, 2 });
when(_nodeLabelCache.get(eq(client), eq(2L), any(typeof(int[])))).thenReturn(new int[] { 1 });
when(_nodeLabelCache.get(eq(client), eq(3L), any(typeof(int[])))).thenReturn(new int[] { 1, 2 });
when(_nodeLabelCache.get(eq(client), eq(4L), any(typeof(int[])))).thenReturn(new int[] {});
RelationshipCountsProcessor countsProcessor = new RelationshipCountsProcessor(_nodeLabelCache, labels, relationTypes, _countsUpdater, [email protected]_Fields.AutoWithoutPagecache);
countsProcessor.Process(Record(1, 0, 3));
countsProcessor.Process(Record(2, 1, 4));
countsProcessor.Done();
// wildcard counts
verify(_countsUpdater).incrementRelationshipCount(ANY, ANY, ANY, 2L);
verify(_countsUpdater).incrementRelationshipCount(ANY, 0, ANY, 1L);
verify(_countsUpdater).incrementRelationshipCount(ANY, 1, ANY, 1L);
// start labels counts
verify(_countsUpdater).incrementRelationshipCount(0, 0, ANY, 1L);
verify(_countsUpdater).incrementRelationshipCount(2, 0, ANY, 1L);
// end labels counts
verify(_countsUpdater).incrementRelationshipCount(ANY, 0, 1, 1L);
verify(_countsUpdater).incrementRelationshipCount(ANY, 0, 2, 1L);
}
protected internal override void Done()
{
base.Done();
RelationshipCountsProcessor all = null;
foreach (RelationshipCountsProcessor processor in _processors.Values)
{
if (all == null)
{
all = processor;
}
else
{
all.AddCountsFrom(processor);
}
}
if (all != null)
{
all.Done();
}
foreach (RelationshipCountsProcessor processor in _processors.Values)
{
processor.Close();
}
}
/// <summary>
/// Keeping all counts for all combinations of label/reltype can require a lot of memory if there are lots of those tokens.
/// Each processor will allocate such a data structure and so in extreme cases the number of processors will have to
/// be limited to not surpass the available memory limits.
/// </summary>
/// <param name="config"> <seealso cref="Configuration"/> holding things like max number of processors and max memory. </param>
/// <param name="cache"> <seealso cref="NodeLabelsCache"/> which is the only other data structure occupying memory at this point. </param>
/// <param name="highLabelId"> high label id for this store. </param>
/// <param name="highRelationshipTypeId"> high relationship type id for this store. </param>
/// <returns> number of processors suitable for this step. In most cases this will be 0, which is the typical value used
/// when just allowing the importer to grab up to <seealso cref="Configuration.maxNumberOfProcessors()"/>. The returned value
/// will at least be 1. </returns>
private static int NumberOfProcessors(Configuration config, NodeLabelsCache cache, int highLabelId, int highRelationshipTypeId)
{
GatheringMemoryStatsVisitor memVisitor = new GatheringMemoryStatsVisitor();
cache.AcceptMemoryStatsVisitor(memVisitor);
long availableMem = config.MaxMemoryUsage() - memVisitor.TotalUsage;
long threadMem = RelationshipCountsProcessor.CalculateMemoryUsage(highLabelId, highRelationshipTypeId);
long possibleThreads = availableMem / threadMem;
return(possibleThreads >= config.MaxNumberOfProcessors() ? 0 : toIntExact(max(1, possibleThreads)));
}
protected internal override void Process(RelationshipRecord[] batch, BatchSender sender)
{
RelationshipCountsProcessor processor = processor();
foreach (RelationshipRecord record in batch)
{
if (record.InUse())
{
processor.Process(record);
}
}
_progressMonitor.progress(batch.Length);
}
public virtual void AddCountsFrom(RelationshipCountsProcessor from)
{
MergeCounts(_labelsCounts, from._labelsCounts);
MergeCounts(_wildcardCounts, from._wildcardCounts);
}
