Examples with Coordinate org.neo4j.graphdb.spatial.Coordinate used on opensource projects

Example 1 with Coordinate

use of org.neo4j.graphdb.spatial.Coordinate in project neo4j by neo4j.

the class Neo4jJsonCodec method writeValue.

@Override
public void writeValue(JsonGenerator out, Object value) throws IOException {
    if (value instanceof PropertyContainer) {
        writePropertyContainer(out, (PropertyContainer) value, TransactionStateChecker.create(container));
    } else if (value instanceof Path) {
        writePath(out, ((Path) value).iterator(), TransactionStateChecker.create(container));
    } else if (value instanceof Iterable) {
        writeIterator(out, ((Iterable) value).iterator());
    } else if (value instanceof byte[]) {
        writeByteArray(out, (byte[]) value);
    } else if (value instanceof Map) {
        writeMap(out, (Map) value);
    } else if (value instanceof Geometry) {
        Geometry geom = (Geometry) value;
        Object coordinates = (geom instanceof Point) ? ((Point) geom).getCoordinate() : geom.getCoordinates();
        writeMap(out, genericMap(new LinkedHashMap<>(), "type", geom.getGeometryType(), "coordinates", coordinates, "crs", geom.getCRS()));
    } else if (value instanceof Coordinate) {
        Coordinate coordinate = (Coordinate) value;
        writeIterator(out, coordinate.getCoordinate().iterator());
    } else if (value instanceof CRS) {
        CRS crs = (CRS) value;
        writeMap(out, genericMap(new LinkedHashMap<>(), "name", crs.getType(), "type", "link", "properties", genericMap(new LinkedHashMap<>(), "href", crs.getHref() + "ogcwkt/", "type", "ogcwkt")));
    } else {
        super.writeValue(out, value);
    }
}

Example 2 with Coordinate

use of org.neo4j.graphdb.spatial.Coordinate in project neo4j by neo4j.

the class Neo4jJsonCodecTest method testGeometryWriting.

@Test
void testGeometryWriting() throws IOException {
    // Given
    List<Coordinate> points = new ArrayList<>();
    points.add(new Coordinate(1, 2));
    points.add(new Coordinate(2, 3));
    Geometry value = SpatialMocks.mockGeometry("LineString", points, mockCartesian());
    // When
    jsonCodec.writeValue(jsonGenerator, value);
    // Then
    verify(jsonGenerator, times(3)).writeEndObject();
}

Example 3 with Coordinate

use of org.neo4j.graphdb.spatial.Coordinate in project neo4j by neo4j.

the class ExecutionResultSerializerTest method shouldErrorWhenSerializingUnknownGeometryType.

@Test
void shouldErrorWhenSerializingUnknownGeometryType() {
    // given
    var points = List.of(new Coordinate(1, 2), new Coordinate(2, 3));
    var row = Map.of("geom", SpatialMocks.mockGeometry("LineString", points, mockCartesian()));
    // when
    var e = assertThrows(RuntimeException.class, () -> {
        writeStatementStart(serializer, "geom");
        writeRecord(serializer, row, "geom");
    });
    writeError(serializer, Status.Statement.ExecutionFailed, e.getMessage());
    writeTransactionInfo(serializer);
    // then
    String result = output.toString(UTF_8);
    assertThat(result).startsWith("{\"results\":[{\"columns\":[\"geom\"],\"data\":[" + "{\"row\":[{\"type\":\"LineString\",\"coordinates\":[[1.0,2.0],[2.0,3.0]],\"crs\":" + "{\"srid\":7203,\"name\":\"cartesian\",\"type\":\"link\",\"properties\":" + "{\"href\":\"http://spatialreference.org/ref/sr-org/7203/ogcwkt/\",\"type\":\"ogcwkt\"}}}],\"meta\":[]}]}]," + "\"errors\":[{\"code\":\"Neo.DatabaseError.Statement.ExecutionFailed\"," + "\"message\":\"Unsupported Geometry type: type=MockGeometry, value=LineString\"");
}

Example 4 with Coordinate

use of org.neo4j.graphdb.spatial.Coordinate in project neo4j by neo4j.

the class GraphDatabaseServiceExecuteTest method shouldNotReturnInternalCartesianPointType.

@Test
void shouldNotReturnInternalCartesianPointType() {
    // when
    try (Transaction transaction = db.beginTx()) {
        Result execute = transaction.execute("RETURN point({x: 13.37, y: 13.37, crs:'cartesian'}) AS p");
        // then
        Object obj = execute.next().get("p");
        assertThat(obj, Matchers.instanceOf(Point.class));
        Point point = (Point) obj;
        assertThat(point.getCoordinate(), equalTo(new Coordinate(13.37, 13.37)));
        CRS crs = point.getCRS();
        assertThat(crs.getCode(), equalTo(7203));
        assertThat(crs.getType(), equalTo("cartesian"));
        assertThat(crs.getHref(), equalTo("http://spatialreference.org/ref/sr-org/7203/"));
        transaction.commit();
    }
}

Example 5 with Coordinate

use of org.neo4j.graphdb.spatial.Coordinate in project neo4j by neo4j.

the class ExecutionResultSerializerTest method shouldSerializePointsAsListOfMapsOfProperties.

@Test
public void shouldSerializePointsAsListOfMapsOfProperties() throws Exception {
    // given
    ByteArrayOutputStream output = new ByteArrayOutputStream();
    ExecutionResultSerializer serializer = getSerializerWith(output);
    List<Coordinate> points = new ArrayList<>();
    points.add(new Coordinate(1, 2));
    points.add(new Coordinate(2, 3));
    Result executionResult = mockExecutionResult(map("geom", new MockPoint(12.3, 45.6, mockWGS84())), map("geom", new MockPoint(123, 456, mockCartesian())), map("geom", new MockGeometry("LineString", points, mockCartesian())));
    // when
    serializer.statementResult(executionResult, false);
    serializer.finish();
    // then
    String result = output.toString(UTF_8.name());
    assertEquals("{\"results\":[{\"columns\":[\"geom\"],\"data\":[" + "{\"row\":[{\"type\":\"Point\",\"coordinates\":[12.3,45.6],\"crs\":" + "{\"name\":\"WGS-84\",\"type\":\"link\",\"properties\":" + "{\"href\":\"http://spatialreference.org/ref/epsg/4326/ogcwkt/\",\"type\":\"ogcwkt\"}" + "}}],\"meta\":[null]}," + "{\"row\":[{\"type\":\"Point\",\"coordinates\":[123.0,456.0],\"crs\":" + "{\"name\":\"cartesian\",\"type\":\"link\",\"properties\":" + "{\"href\":\"http://spatialreference.org/ref/sr-org/7203/ogcwkt/\",\"type\":\"ogcwkt\"}" + "}}],\"meta\":[null]}," + "{\"row\":[{\"type\":\"LineString\",\"coordinates\":[[1.0,2.0],[2.0,3.0]],\"crs\":" + "{\"name\":\"cartesian\",\"type\":\"link\",\"properties\":" + "{\"href\":\"http://spatialreference.org/ref/sr-org/7203/ogcwkt/\",\"type\":\"ogcwkt\"}" + "}}],\"meta\":[null]}" + "]}],\"errors\":[]}", result);
}