//JAVA TO C# CONVERTER WARNING: Method 'throws' clauses are not available in C#:
//ORIGINAL LINE: private void detectDuplicateInputIds(Radix radix, org.neo4j.unsafe.impl.batchimport.input.Collector collector, org.neo4j.helpers.progress.ProgressListener progress) throws InterruptedException
private void DetectDuplicateInputIds(Radix radix, Collector collector, ProgressListener progress)
{
// We do this collision sort using ParallelSort which has the data cache and the tracker cache,
// the tracker cache gets sorted, data cache stays intact. In the collision data case we actually
// have one more layer in here so we have tracker cache pointing to collisionNodeIdCache
// pointing to dataCache. This can be done using the ParallelSort.Comparator abstraction.
//
// The Comparator below takes into account dataIndex for each eId its comparing so that an extra
// comparison based on dataIndex is done if it's comparing two equal eIds. We do this so that
// stretches of multiple equal eIds are sorted by dataIndex (i.e. node id) order,
// to be able to write an efficient duplication scanning below and to have deterministic duplication reporting.
Comparator duplicateComparator = new ComparatorAnonymousInnerClass(this);
(new ParallelSort(radix, As5ByteLongArray(_collisionNodeIdCache), _numberOfCollisions - 1, _collisionTrackerCache, _processorsForParallelWork, progress, duplicateComparator)).run();
// Here we have a populated C
// We want to detect duplicate input ids within it
long previousEid = 0;
int previousGroupId = -1;
SameInputIdDetector detector = new SameInputIdDetector();
progress.Started("DEDUPLICATE");
for (int i = 0; i < _numberOfCollisions; i++)
{
long collisionIndex = _collisionTrackerCache.get(i);
long nodeId = _collisionNodeIdCache.get5ByteLong(collisionIndex, 0);
long offset = _collisionNodeIdCache.get6ByteLong(collisionIndex, 5);
long eid = _dataCache.get(nodeId);
int groupId = GroupOf(nodeId);
// collisions of same eId AND groupId are always together
bool same = eid == previousEid && previousGroupId == groupId;
if (!same)
{
detector.Clear();
}
// Potential duplicate
object inputId = _collisionValues.get(offset);
long nonDuplicateNodeId = detector.Add(nodeId, inputId);
if (nonDuplicateNodeId != -1)
{ // Duplicate
collector.CollectDuplicateNode(inputId, nodeId, _groups.get(groupId).name());
_trackerCache.markAsDuplicate(nodeId);
UnmarkAsCollision(nonDuplicateNodeId);
}
previousEid = eid;
previousGroupId = groupId;
progress.Add(1);
}
progress.Done();
}
protected internal virtual void RenderNodes(StringBuilder @out)
{
List <Renderable> values = new List <Renderable>((ICollection <Renderable>)_nodes.Values);
IComparer <Renderable> comp = new ComparatorAnonymousInnerClass(this);
values.Sort(comp);
IEnumerator it = values.GetEnumerator();
while (it.MoveNext())
{
Renderable renderable = (Renderable)it.Current;
@out.Append(renderable.Render());
}
}