org.wikidata.query.rdf.blazegraph.inline.literal

Class WKTSerializer

java.lang.Object

org.wikidata.query.rdf.blazegraph.inline.literal.WKTSerializer

All Implemented Interfaces:

com.bigdata.service.geospatial.IGeoSpatialLiteralSerializer, Serializable

public class WKTSerializer
extends Object
implements com.bigdata.service.geospatial.IGeoSpatialLiteralSerializer

Serializer class for WKT format. See https://portal.opengeospatial.org/files/?artifact_id=47664 and http://postgis.refractions.net/documentation/manual-1.3SVN/ch04.html Internal storage follows longitude-latitude order for this format.

See Also:

Serialized Form

Field Summary

Fields

Modifier and Type	Field and Description
static String	DEFAULT_GLOBE Default globe URI.
static String	NO_GLOBE This is put in coordinate field when there's no globe.

Constructor Summary

Constructors

Constructor and Description
WKTSerializer()

Method Summary

Modifier and Type	Method and Description
String	fromComponents(Object[] components)
com.bigdata.rdf.internal.IV<?,?>	serializeCoordSystem(com.bigdata.rdf.model.BigdataValueFactory vf, Object coordinateSystem)
com.bigdata.rdf.internal.IV<?,?>	serializeCustomFields(com.bigdata.rdf.model.BigdataValueFactory vf, Object... arg1)
com.bigdata.rdf.internal.IV<?,?>	serializeDistance(com.bigdata.rdf.model.BigdataValueFactory vf, Double distance, com.bigdata.rdf.internal.gis.ICoordinate.UNITS unit)
com.bigdata.rdf.internal.IV<?,?>	serializeLatitude(com.bigdata.rdf.model.BigdataValueFactory vf, Object latitude)
com.bigdata.rdf.internal.IV<?,?>	serializeLocation(com.bigdata.rdf.model.BigdataValueFactory vf, Object lat, Object lon)
com.bigdata.rdf.internal.IV<?,?>	serializeLocationAndTime(com.bigdata.rdf.model.BigdataValueFactory vf, Object latitude, Object longitude, Object time)
com.bigdata.rdf.internal.IV<?,?>	serializeLongitude(com.bigdata.rdf.model.BigdataValueFactory vf, Object longitude)
com.bigdata.rdf.internal.IV<?,?>	serializeTime(com.bigdata.rdf.model.BigdataValueFactory vf, Object time)
String[]	toComponents(String literalString)
String	trimCoordURI(String uri) Cut off prefix for the coordinate system URI.

Methods inherited from class java.lang.Object

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

Field Detail

NO_GLOBE

public static final String NO_GLOBE

This is put in coordinate field when there's no globe.

DEFAULT_GLOBE

public static final String DEFAULT_GLOBE

Default globe URI.

Constructor Detail

WKTSerializer

public WKTSerializer()

Method Detail

fromComponents

public String fromComponents(Object[] components)

Specified by:

fromComponents in interface com.bigdata.service.geospatial.IGeoSpatialLiteralSerializer

trimCoordURI

public String trimCoordURI(String uri)

Cut off prefix for the coordinate system URI. E.g. http://www.wikidata.org/entity/Q

toComponents

public String[] toComponents(String literalString)

Specified by:

toComponents in interface com.bigdata.service.geospatial.IGeoSpatialLiteralSerializer

serializeCoordSystem

public com.bigdata.rdf.internal.IV<?,?> serializeCoordSystem(com.bigdata.rdf.model.BigdataValueFactory vf,
                                                             Object coordinateSystem)

Specified by:

serializeCoordSystem in interface com.bigdata.service.geospatial.IGeoSpatialLiteralSerializer

serializeCustomFields

public com.bigdata.rdf.internal.IV<?,?> serializeCustomFields(com.bigdata.rdf.model.BigdataValueFactory vf,
                                                              Object... arg1)

Specified by:

serializeCustomFields in interface com.bigdata.service.geospatial.IGeoSpatialLiteralSerializer

serializeLatitude

public com.bigdata.rdf.internal.IV<?,?> serializeLatitude(com.bigdata.rdf.model.BigdataValueFactory vf,
                                                          Object latitude)

Specified by:

serializeLatitude in interface com.bigdata.service.geospatial.IGeoSpatialLiteralSerializer

serializeLocation

public com.bigdata.rdf.internal.IV<?,?> serializeLocation(com.bigdata.rdf.model.BigdataValueFactory vf,
                                                          Object lat,
                                                          Object lon)

Specified by:

serializeLocation in interface com.bigdata.service.geospatial.IGeoSpatialLiteralSerializer

serializeLocationAndTime

public com.bigdata.rdf.internal.IV<?,?> serializeLocationAndTime(com.bigdata.rdf.model.BigdataValueFactory vf,
                                                                 Object latitude,
                                                                 Object longitude,
                                                                 Object time)

Specified by:

serializeLocationAndTime in interface com.bigdata.service.geospatial.IGeoSpatialLiteralSerializer

serializeLongitude

public com.bigdata.rdf.internal.IV<?,?> serializeLongitude(com.bigdata.rdf.model.BigdataValueFactory vf,
                                                           Object longitude)

Specified by:

serializeLongitude in interface com.bigdata.service.geospatial.IGeoSpatialLiteralSerializer

serializeTime

public com.bigdata.rdf.internal.IV<?,?> serializeTime(com.bigdata.rdf.model.BigdataValueFactory vf,
                                                      Object time)

Specified by:

serializeTime in interface com.bigdata.service.geospatial.IGeoSpatialLiteralSerializer

serializeDistance

public com.bigdata.rdf.internal.IV<?,?> serializeDistance(com.bigdata.rdf.model.BigdataValueFactory vf,
                                                          Double distance,
                                                          com.bigdata.rdf.internal.gis.ICoordinate.UNITS unit)

Specified by:

serializeDistance in interface com.bigdata.service.geospatial.IGeoSpatialLiteralSerializer