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/*
* This file is part of the GeoLatte project.
*
* GeoLatte is free software: you can redistribute it and/or modify
* it under the terms of the GNU Lesser General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* GeoLatte 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with GeoLatte. If not, see .
*
* Copyright (C) 2010 - 2013 and Ownership of code is shared by:
* Qmino bvba - Romeinsestraat 18 - 3001 Heverlee (http://www.qmino.com)
* Geovise bvba - Generaal Eisenhowerlei 9 - 2140 Antwerpen (http://www.geovise.com)
*/
package org.geolatte.geom.codec.db.sqlserver;
import org.geolatte.geom.Geometry;
import org.geolatte.geom.Point;
import org.geolatte.geom.Position;
import org.geolatte.geom.crs.CoordinateReferenceSystems;
import java.util.List;
/**
* @author Karel Maesen, Geovise BVBA.
* Date: Nov 2, 2009
*/
class PointSqlServerEncoder extends AbstractSqlServerEncoder {
/**
* Encodes a point as an SQLGeometryV1 object.
*
* This is a specific implementation because points don't explicitly serialize figure and shape components.
*
* @param geom Geometry to serialize
* @return
*/
@Override
public
> SqlServerGeometry encode(G geom) {
SqlServerGeometry sqlServerGeom = new SqlServerGeometry();
if (geom.getSRID() > 0) {
sqlServerGeom.setCoordinateReferenceSystem(geom.getCoordinateReferenceSystem());
}
sqlServerGeom.setIsValid();
if (geom.isEmpty()) {
sqlServerGeom.setNumberOfPoints(0);
sqlServerGeom.setNumberOfFigures(0);
sqlServerGeom.setNumberOfShapes(1);
sqlServerGeom.setShape(0, new Shape(-1, -1, OpenGisType.POINT));
return sqlServerGeom;
}
sqlServerGeom.setIsSinglePoint();
sqlServerGeom.setNumberOfPoints(1);
if (CoordinateReferenceSystems.hasVerticalAxis(geom.getCoordinateReferenceSystem())) {
sqlServerGeom.setHasZValues();
sqlServerGeom.allocateZValueArray();
}
if (CoordinateReferenceSystems.hasMeasureAxis(geom.getCoordinateReferenceSystem())) {
sqlServerGeom.setHasMValues();
sqlServerGeom.allocateMValueArray();
}
sqlServerGeom.setCoordinate(0, geom.getPositions());
return sqlServerGeom;
}
@Override
protected void encode(Geometry geom, int parentIdx, CountingPositionSequenceBuilder coordinates, List
figures, List shapes) {
if (!(geom instanceof Point)) {
throw new IllegalArgumentException("Require Point geometry");
}
if (geom.isEmpty()) {
shapes.add(new Shape(parentIdx, -1, OpenGisType.POINT));
return;
}
int pntOffset = coordinates.getNumAdded();
int figureOffset = figures.size();
double[] c = new double[coordinates.getCoordinateDimension()];
coordinates.add(geom.getPositionN(0).toArray(c));
Figure figure = new Figure(FigureAttribute.Stroke, pntOffset);
figures.add(figure);
Shape shape = new Shape(parentIdx, figureOffset, OpenGisType.POINT);
shapes.add(shape);
}
public boolean accepts(Geometry geom) {
return geom instanceof Point;
}
}
