org.wikidata.query.rdf.blazegraph.geo

Class GeoAroundService

java.lang.Object

com.bigdata.rdf.sparql.ast.eval.AbstractServiceFactoryBase

com.bigdata.rdf.sparql.ast.eval.AbstractServiceFactory

org.wikidata.query.rdf.blazegraph.geo.GeoService

org.wikidata.query.rdf.blazegraph.geo.GeoAroundService

All Implemented Interfaces:

com.bigdata.rdf.sparql.ast.service.ServiceFactory

public class GeoAroundService
extends GeoService

Implements a service to do geospatial search. This class searches for items around certain point. Example: SELECT * WHERE { wd:Q90 wdt:P625 ?parisLoc . SERVICE wikibase:around { ?place wdt:P625 ?location . bd:serviceParam wikibase:center ?parisLoc . bd:serviceParam wikibase:radius "1" . bd:serviceParam wikibase:distance ?distance . } }

Field Summary

Fields

Modifier and Type	Field and Description
static org.openrdf.model.impl.URIImpl	CENTER_PARAM wikibase:center parameter name.
static org.openrdf.model.impl.URIImpl	DISTANCE_PARAM wikibase:distance parameter name.
static org.openrdf.model.impl.URIImpl	RADIUS_PARAM wikibase:radius parameter name.
static org.openrdf.model.URI	SERVICE_KEY The URI service key.

Fields inherited from class org.wikidata.query.rdf.blazegraph.geo.GeoService

GLOBE_PARAM

Constructor Summary

Constructors

Constructor and Description
GeoAroundService()

Method Summary

Modifier and Type	Method and Description
protected com.bigdata.rdf.sparql.ast.JoinGroupNode	buildServiceNode(com.bigdata.rdf.sparql.ast.service.ServiceCallCreateParams params, com.bigdata.rdf.sparql.ast.eval.ServiceParams serviceParams) Create service parameters for delegate service call.

Methods inherited from class org.wikidata.query.rdf.blazegraph.geo.GeoService

create, getGlobeNode, getParam, getPatternNode, getRequiredBound, getServiceOptions, getStatementPatterns, register

Methods inherited from class com.bigdata.rdf.sparql.ast.eval.AbstractServiceFactory

create

Methods inherited from class com.bigdata.rdf.sparql.ast.eval.AbstractServiceFactoryBase

getDesiredBound

Methods inherited from class java.lang.Object

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

Field Detail

SERVICE_KEY

public static final org.openrdf.model.URI SERVICE_KEY

The URI service key.

CENTER_PARAM

public static final org.openrdf.model.impl.URIImpl CENTER_PARAM

wikibase:center parameter name.

RADIUS_PARAM

public static final org.openrdf.model.impl.URIImpl RADIUS_PARAM

wikibase:radius parameter name.

DISTANCE_PARAM

public static final org.openrdf.model.impl.URIImpl DISTANCE_PARAM

wikibase:distance parameter name.

Constructor Detail

GeoAroundService

public GeoAroundService()

Method Detail

buildServiceNode

protected com.bigdata.rdf.sparql.ast.JoinGroupNode buildServiceNode(com.bigdata.rdf.sparql.ast.service.ServiceCallCreateParams params,
                                                                    com.bigdata.rdf.sparql.ast.eval.ServiceParams serviceParams)

Description copied from class: GeoService

Create service parameters for delegate service call.

Specified by:

buildServiceNode in class GeoService