org.apache.sedona.core.spatialPartitioning

Class FlatGridPartitioner

java.lang.Object

org.apache.spark.Partitioner

org.apache.sedona.core.spatialPartitioning.SpatialPartitioner

org.apache.sedona.core.spatialPartitioning.FlatGridPartitioner

All Implemented Interfaces:

Serializable

public class FlatGridPartitioner
extends SpatialPartitioner

See Also:

Serialized Form

Field Summary

Fields inherited from class org.apache.sedona.core.spatialPartitioning.SpatialPartitioner

grids, gridType

Constructor Summary

Constructors

Constructor and Description
FlatGridPartitioner(GridType gridType, List<org.locationtech.jts.geom.Envelope> grids)
FlatGridPartitioner(List<org.locationtech.jts.geom.Envelope> grids)

Method Summary

Modifier and Type	Method and Description
boolean	equals(Object o)
DedupParams	getDedupParams()
int	numPartitions()
Iterator<scala.Tuple2<Integer,org.locationtech.jts.geom.Geometry>>	placeObject(org.locationtech.jts.geom.Geometry spatialObject) Given a geometry, returns a list of partitions it overlaps.

Methods inherited from class org.apache.sedona.core.spatialPartitioning.SpatialPartitioner

getGrids, getGridType, getPartition

Methods inherited from class org.apache.spark.Partitioner

defaultPartitioner

Methods inherited from class java.lang.Object

clone, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

FlatGridPartitioner

public FlatGridPartitioner(GridType gridType,
                           List<org.locationtech.jts.geom.Envelope> grids)

FlatGridPartitioner

public FlatGridPartitioner(List<org.locationtech.jts.geom.Envelope> grids)

Method Detail

placeObject

public Iterator<scala.Tuple2<Integer,org.locationtech.jts.geom.Geometry>> placeObject(org.locationtech.jts.geom.Geometry spatialObject)
                                                                               throws Exception

Description copied from class: SpatialPartitioner

Given a geometry, returns a list of partitions it overlaps.

For points, returns exactly one partition as long as grid type is non-overlapping. For other geometry types or for overlapping grid types, may return multiple partitions.

Specified by:

placeObject in class SpatialPartitioner

Throws:

Exception

getDedupParams

@Nullable
public DedupParams getDedupParams()

Specified by:

getDedupParams in class SpatialPartitioner

numPartitions

public int numPartitions()

Specified by:

numPartitions in class org.apache.spark.Partitioner

equals

public boolean equals(Object o)

Overrides:

equals in class Object