private static void InitializeKeys(SpatialIndexKey from, SpatialIndexKey to)
{
from.initialize(long.MinValue);
to.initialize(long.MaxValue);
from.InitValueAsLowest(ValueGroup.GEOMETRY);
to.InitValueAsHighest(ValueGroup.GEOMETRY);
}
public override void DistinctValues(Org.Neo4j.Storageengine.Api.schema.IndexProgressor_NodeValueClient client, NodePropertyAccessor propertyAccessor, bool needsValues)
{
// This is basically a version of the basic implementation, but with added consulting of the PropertyAccessor
// since these are lossy spatial values.
SpatialIndexKey lowest = layout.newKey();
lowest.initialize(long.MinValue);
lowest.initValuesAsLowest();
SpatialIndexKey highest = layout.newKey();
highest.initialize(long.MaxValue);
highest.initValuesAsHighest();
try
{
RawCursor <Hit <SpatialIndexKey, VALUE>, IOException> seeker = tree.seek(lowest, highest);
IComparer <SpatialIndexKey> comparator = new PropertyLookupFallbackComparator <SpatialIndexKey>(layout, propertyAccessor, descriptor.schema().PropertyId);
NativeDistinctValuesProgressor <SpatialIndexKey, VALUE> progressor = new NativeDistinctValuesProgressorAnonymousInnerClass(this, seeker, client, openSeekers, layout, comparator, propertyAccessor);
client.Initialize(descriptor, progressor, new IndexQuery[0], IndexOrder.NONE, false);
}
catch (IOException e)
{
throw new UncheckedIOException(e);
}
}
private void InitializeKeys(SpatialIndexKey treeKeyFrom, SpatialIndexKey treeKeyTo)
{
treeKeyFrom.initialize(long.MinValue);
treeKeyTo.initialize(long.MaxValue);
}