Package org.apache.sedona.core.formatMapper

Class FormatMapper<T extends org.locationtech.jts.geom.Geometry>

java.lang.Object

org.apache.sedona.common.utils.FormatUtils

org.apache.sedona.core.formatMapper.FormatMapper<T>

All Implemented Interfaces:

Serializable, org.apache.spark.api.java.function.FlatMapFunction<Iterator<String>,T>

Direct Known Subclasses:

LineStringFormatMapper, PointFormatMapper, PolygonFormatMapper, RectangleFormatMapper

public class FormatMapper<T extends org.locationtech.jts.geom.Geometry>
extends org.apache.sedona.common.utils.FormatUtils
implements org.apache.spark.api.java.function.FlatMapFunction<Iterator<String>,T>

See Also:

• Serialized Form

Field Summary

Fields inherited from class org.apache.sedona.common.utils.FormatUtils

allowTopologicallyInvalidGeometries, carryInputData, endOffset, factory, geoJSONReader, geometryType, otherAttributes, skipSyntacticallyInvalidGeometries, splitter, startOffset, wktReader

Constructor Summary

Constructors

Constructor	Description
FormatMapper(int startOffset, int endOffset, org.apache.sedona.common.enums.FileDataSplitter splitter, boolean carryInputData, org.apache.sedona.common.enums.GeometryType geometryType)	Instantiates a new format mapper.
FormatMapper(org.apache.sedona.common.enums.FileDataSplitter splitter, boolean carryInputData)	Instantiates a new format mapper.
FormatMapper(org.apache.sedona.common.enums.FileDataSplitter splitter, boolean carryInputData, org.apache.sedona.common.enums.GeometryType geometryType)	This format mapper is used in SedonaSQL.

Method Summary

Modifier and Type	Method	Description
Iterator<T>	call(Iterator<String> stringIterator)

Methods inherited from class org.apache.sedona.common.utils.FormatUtils

addGeometry, addMultiGeometry, readCoordinates, readGeoJSON, readGeoJsonPropertyNames, readGeometry, readPropertyNames, readWkb, readWkt

Methods inherited from class java.lang.Object

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

Constructor Details

FormatMapper

public FormatMapper(int startOffset,
 int endOffset,
 org.apache.sedona.common.enums.FileDataSplitter splitter,
 boolean carryInputData,
 org.apache.sedona.common.enums.GeometryType geometryType)

Instantiates a new format mapper.

Parameters:

startOffset - the start offset

endOffset - the end offset

splitter - the splitter

carryInputData - the carry input data

geometryType -

FormatMapper

public FormatMapper(org.apache.sedona.common.enums.FileDataSplitter splitter,
 boolean carryInputData)

Instantiates a new format mapper. This is extensively used in SedonaSQL.

Parameters:

splitter -

carryInputData -

FormatMapper

public FormatMapper(org.apache.sedona.common.enums.FileDataSplitter splitter,
 boolean carryInputData,
 org.apache.sedona.common.enums.GeometryType geometryType)

This format mapper is used in SedonaSQL.

Parameters:

splitter -

carryInputData -

geometryType -

Method Details

call

public Iterator<T> call(Iterator<String> stringIterator)
                 throws Exception

Specified by:

call in interface org.apache.spark.api.java.function.FlatMapFunction<Iterator<String>,T extends org.locationtech.jts.geom.Geometry>

Throws:

Exception