/**
Copyright (C) SYSTAP, LLC DBA Blazegraph 2006-2016. All rights reserved.
Contact:
SYSTAP, LLC DBA Blazegraph
2501 Calvert ST NW #106
Washington, DC 20008
licenses@blazegraph.com
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; version 2 of the License.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
/*
* Created on March 02, 2016
*/
package com.bigdata.rdf.sparql.ast.eval.service;
import com.bigdata.rdf.internal.IV;
import com.bigdata.rdf.model.BigdataValueFactory;
import com.bigdata.rdf.sparql.ast.DummyConstantNode;
import com.bigdata.service.geospatial.GeoSpatialDefaultLiteralSerializer;
/**
* Test serializer for WKT literals of the form Point(lat,lon).
* Note that this is a dummy implementation for tests only,
* assuming there are no whitespaces contained in the literal, etc.
*
* @author msc
*/
public class GeoSpatialDummyLiteralSerializer extends GeoSpatialDefaultLiteralSerializer {
// we do use the default toComponent() and fromComponent() methods defined in GeoSpatialDefaultLiteralSerializer,
// but override all the serialization methods in this class (which is the focus of the test cases)
@Override
public IV<?,?> serializeLocation(
final BigdataValueFactory vf, final Object latitude, final Object longitude) {
return DummyConstantNode.toDummyIV(vf.createLiteral("Location(" + concat(latitude, longitude) + ")"));
}
@Override
public IV<?,?> serializeLocationAndTime(
final BigdataValueFactory vf, final Object latitude,
final Object longitude, final Object time) {
return DummyConstantNode.toDummyIV(vf.createLiteral("LocationAndTime(" + concat(latitude, longitude, time) + ")"));
}
@Override
public IV<?,?> serializeTime(final BigdataValueFactory vf, final Object time) {
return DummyConstantNode.toDummyIV(vf.createLiteral("Time(" + time.toString() + ")"));
}
@Override
public IV<?,?> serializeLatitude(final BigdataValueFactory vf, final Object latitude) {
return DummyConstantNode.toDummyIV(vf.createLiteral("Lat(" + latitude.toString() + ")"));
}
@Override
public IV<?,?> serializeLongitude(final BigdataValueFactory vf, final Object longitude) {
return DummyConstantNode.toDummyIV(vf.createLiteral("Lon(" + longitude.toString() + ")"));
}
@Override
public IV<?,?> serializeCoordSystem(final BigdataValueFactory vf, final Object coordinateSystem) {
return DummyConstantNode.toDummyIV(vf.createLiteral("CoordSystem(" + coordinateSystem.toString() + ")"));
}
@Override
public IV<?,?> serializeCustomFields(final BigdataValueFactory vf, final Object... customFields) {
return DummyConstantNode.toDummyIV(vf.createLiteral("CustomFields(" + concat(customFields) + ")"));
}
protected String concat(final Object... args) {
final StringBuffer buf = new StringBuffer();
for (int i=0; i<args.length; i++) {
if (i>0)
buf.append("-");
buf.append(args[i].toString());
}
return buf.toString();
}
}