/* * SPDX-License-Identifier: Apache-2.0 * * The OpenSearch Contributors require contributions made to * this file be licensed under the Apache-2.0 license or a * compatible open source license. */ /* * Licensed to Elasticsearch under one or more contributor * license agreements. See the NOTICE file distributed with * this work for additional information regarding copyright * ownership. Elasticsearch licenses this file to you under * the Apache License, Version 2.0 (the "License"); you may * not use this file except in compliance with the License. * You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, * software distributed under the License is distributed on an * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY * KIND, either express or implied. See the License for the * specific language governing permissions and limitations * under the License. */ /* * Modifications Copyright OpenSearch Contributors. See * GitHub history for details. */ package org.opensearch.geometry; import org.opensearch.geometry.utils.WellKnownText; /** * Represents a Point on the earth's surface in decimal degrees and optional altitude in meters. */ public class Point implements Geometry { public static final Point EMPTY = new Point(); private final double y; private final double x; private final double z; private final boolean empty; private Point() { y = 0; x = 0; z = Double.NaN; empty = true; } public Point(double x, double y) { this(x, y, Double.NaN); } public Point(double x, double y, double z) { this.y = y; this.x = x; this.z = z; this.empty = false; } @Override public ShapeType type() { return ShapeType.POINT; } public double getY() { return y; } public double getX() { return x; } public double getZ() { return z; } public double getLat() { return y; } public double getLon() { return x; } public double getAlt() { return z; } @Override public boolean equals(Object o) { if (this == o) return true; if (o == null || getClass() != o.getClass()) return false; Point point = (Point) o; if (point.empty != empty) return false; if (Double.compare(point.y, y) != 0) return false; if (Double.compare(point.x, x) != 0) return false; return Double.compare(point.z, z) == 0; } @Override public int hashCode() { int result; long temp; temp = Double.doubleToLongBits(y); result = (int) (temp ^ (temp >>> 32)); temp = Double.doubleToLongBits(x); result = 31 * result + (int) (temp ^ (temp >>> 32)); temp = Double.doubleToLongBits(z); result = 31 * result + (int) (temp ^ (temp >>> 32)); return result; } @Override public <T, E extends Exception> T visit(GeometryVisitor<T, E> visitor) throws E { return visitor.visit(this); } @Override public boolean isEmpty() { return empty; } @Override public boolean hasZ() { return Double.isNaN(z) == false; } @Override public String toString() { return WellKnownText.INSTANCE.toWKT(this); } }