import org.postgis.LinearRing; //导入依赖的package包/类
@Override
public Map<String, Object> reverseMap(List<LatLng> latLngs, Action action) {
    Point[] points = new Point[latLngs.size() + 1]; //+1 to close the ring
    List<LatLng> path = latLngs;
    for (int i = 0; i < path.size(); i++) {
        LatLng latLng = path.get(i);
        points[i] = new Point(latLng.getLng(), latLng.getLat());
    }
    //close the ring
    points[points.length - 1] = points[0];
    Polygon polygon = new Polygon(new LinearRing[]{new LinearRing(points)});
    polygon.setSrid(Mappers.WGS84_SRID);
    Map<String, Object> params = new HashMap<>(1);
    params.put(colName, new PGgeometry(polygon));
    return params;
}
 

import org.postgis.LinearRing; //导入依赖的package包/类
@Test
public void testBulkWithinPolygon() throws SQLException {
    LinearRing linearRing1 = new LinearRing("0 0, 1 1, 1 2, 1 1, 0 0");
    Polygon polygon1 = new Polygon(new LinearRing[]{linearRing1});
    LinearRing linearRing2 = new LinearRing("1 1, 1 1, 1 2, 1 1, 1 1");
    Polygon polygon2 = new Polygon(new LinearRing[]{linearRing2});
    LinearRing linearRing3 = new LinearRing("2 2, 1 1, 1 2, 1 1, 2 2");
    Polygon polygon3 = new Polygon(new LinearRing[]{linearRing3});
    LinearRing linearRing4 = new LinearRing("1 3, 1 2, 2 2, 1 1, 1 3");
    Polygon polygon4 = new Polygon(new LinearRing[]{linearRing4});

    Vertex v1 = this.sqlgGraph.addVertex(T.label, "Gis", "polygon", polygon1);
    Vertex v2 = this.sqlgGraph.addVertex(T.label, "Gis", "polygon", polygon2);
    Vertex v3 = this.sqlgGraph.addVertex(T.label, "Gis", "polygon", polygon3);
    Vertex v4 = this.sqlgGraph.addVertex(T.label, "Gis", "polygon", polygon4);
    this.sqlgGraph.tx().commit();
    List<Vertex> vertices = this.sqlgGraph.traversal().V().hasLabel("Gis").has("polygon", P.within(polygon1, polygon3, polygon4)).toList();
    Assert.assertEquals(3, vertices.size());
    Assert.assertTrue(Arrays.asList(v1, v3, v4).containsAll(vertices));
}
 

import org.postgis.LinearRing; //导入依赖的package包/类
@Test
public void testBulkWithinGeographyPolygon() throws SQLException {
    LinearRing linearRing1 = new LinearRing("0 0, 1 1, 1 2, 1 1, 0 0");
    GeographyPolygon polygon1 = new GeographyPolygon(new LinearRing[]{linearRing1});
    LinearRing linearRing2 = new LinearRing("1 1, 1 1, 1 2, 1 1, 1 1");
    GeographyPolygon polygon2 = new GeographyPolygon(new LinearRing[]{linearRing2});
    LinearRing linearRing3 = new LinearRing("2 2, 1 1, 1 2, 1 1, 2 2");
    GeographyPolygon polygon3 = new GeographyPolygon(new LinearRing[]{linearRing3});
    LinearRing linearRing4 = new LinearRing("1 3, 1 2, 2 2, 1 1, 1 3");
    GeographyPolygon polygon4 = new GeographyPolygon(new LinearRing[]{linearRing4});

    Vertex v1 = this.sqlgGraph.addVertex(T.label, "Gis", "polygon", polygon1);
    Vertex v2 = this.sqlgGraph.addVertex(T.label, "Gis", "polygon", polygon2);
    Vertex v3 = this.sqlgGraph.addVertex(T.label, "Gis", "polygon", polygon3);
    Vertex v4 = this.sqlgGraph.addVertex(T.label, "Gis", "polygon", polygon4);
    this.sqlgGraph.tx().commit();
    List<Vertex> vertices = this.sqlgGraph.traversal().V().hasLabel("Gis").has("polygon", P.within(polygon1, polygon3, polygon4)).toList();
    Assert.assertEquals(3, vertices.size());
    Assert.assertTrue(Arrays.asList(v1, v3, v4).containsAll(vertices));
}
 

import org.postgis.LinearRing; //导入依赖的package包/类
@Before
public void before() {
    table = "test_polygon";

    Point[] points = new Point[5];
    points[0] = new Point(123.45d, 23.45d);
    points[1] = new Point(124.45d, 23.45d);
    points[2] = new Point(124.45d, 24.45d);
    points[3] = new Point(123.45d, 24.45d);
    points[4] = new Point(123.45d, 23.45d);
    LinearRing linearRing = new LinearRing(points);
    t = new Polygon(new LinearRing[]{linearRing});
    t.setSrid(SRID);
}
 

import org.postgis.LinearRing; //导入依赖的package包/类
public GeographyPolygon(LinearRing[] rings) {
    super(rings);
    this.srid = Gis.SRID;
}