@Override
public ConstantScoreQuery makeQuery(SpatialArgs args) {
if (!SpatialOperation.is(
args.getOperation(), SpatialOperation.Intersects, SpatialOperation.IsWithin))
throw new UnsupportedSpatialOperation(args.getOperation());
Shape shape = args.getShape();
if (shape instanceof Rectangle) {
Rectangle bbox = (Rectangle) shape;
return new ConstantScoreQuery(makeWithin(bbox));
} else if (shape instanceof Circle) {
Circle circle = (Circle) shape;
Rectangle bbox = circle.getBoundingBox();
Query approxQuery = makeWithin(bbox);
BooleanQuery.Builder bqBuilder = new BooleanQuery.Builder();
FunctionRangeQuery vsRangeQuery =
new FunctionRangeQuery(
makeDistanceValueSource(circle.getCenter()), 0.0, circle.getRadius(), true, true);
bqBuilder.add(
approxQuery,
BooleanClause.Occur.FILTER); // should have lowest "cost" value; will drive iteration
bqBuilder.add(vsRangeQuery, BooleanClause.Occur.FILTER);
return new ConstantScoreQuery(bqBuilder.build());
} else {
throw new UnsupportedOperationException(
"Only Rectangles and Circles are currently supported, "
+ "found ["
+ shape.getClass()
+ "]"); // TODO
}
}
@Test
public void testRectangle() throws IOException {
Shape s = read("-10 -20 10 20");
assertEquals(ctx.makeRectangle(-10, 10, -20, 20), s);
assertEquals(s, writeThenRead(s));
assertTrue(s.hasArea());
}
@Test
public void testCircle() throws IOException {
Shape s = read("Circle(1.23 4.56 distance=7.89)");
assertEquals(ctx.makeCircle(1.23, 4.56, 7.89), s);
assertEquals(s, writeThenRead(s));
assertEquals(s, read("CIRCLE( 4.56,1.23 d=7.89 )")); // use lat,lon and use 'd' abbreviation
assertTrue(s.hasArea());
}
@Test
public void testPoint() throws IOException {
Shape s = read("10 20");
assertEquals(ctx.makePoint(10, 20), s);
assertEquals(s, writeThenRead(s));
assertEquals(s, read("20,10")); // check comma for y,x format
assertEquals(s, read("20, 10")); // test space
assertFalse(s.hasArea());
}