1 /* Copyright 2002-2024 CS GROUP 2 * Licensed to CS GROUP (CS) under one or more 3 * contributor license agreements. See the NOTICE file distributed with 4 * this work for additional information regarding copyright ownership. 5 * CS licenses this file to You under the Apache License, Version 2.0 6 * (the "License"); you may not use this file except in compliance with 7 * the License. You may obtain a copy of the License at 8 * 9 * http://www.apache.org/licenses/LICENSE-2.0 10 * 11 * Unless required by applicable law or agreed to in writing, software 12 * distributed under the License is distributed on an "AS IS" BASIS, 13 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 14 * See the License for the specific language governing permissions and 15 * limitations under the License. 16 */ 17 package org.orekit.gnss; 18 import org.orekit.time.TimeScale; 19 import org.orekit.time.TimeScales; 20 21 /** Observation time scales. 22 * @since 12.0 23 */ 24 public enum ObservationTimeScale { 25 26 /** GPS time scale. */ 27 GPS { 28 public TimeScale getTimeScale(final TimeScales timeScales) { 29 return timeScales.getGPS(); 30 } 31 }, 32 33 /** Galileo time scale. */ 34 GAL { 35 public TimeScale getTimeScale(final TimeScales timeScales) { 36 return timeScales.getGST(); 37 } 38 }, 39 40 /** GLONASS time scale. */ 41 GLO { 42 public TimeScale getTimeScale(final TimeScales timeScales) { 43 return timeScales.getGLONASS(); 44 } 45 }, 46 47 /** QZSS time scale. */ 48 QZS { 49 public TimeScale getTimeScale(final TimeScales timeScales) { 50 return timeScales.getQZSS(); 51 } 52 }, 53 54 /** Beidou time scale. */ 55 BDT { 56 public TimeScale getTimeScale(final TimeScales timeScales) { 57 return timeScales.getBDT(); 58 } 59 }, 60 61 /** IRNSS time scale. */ 62 IRN { 63 public TimeScale getTimeScale(final TimeScales timeScales) { 64 return timeScales.getIRNSS(); 65 } 66 }; 67 68 /** Get time scale. 69 * @param timeScales time scales factory 70 * @return time scale 71 */ 72 public abstract TimeScale getTimeScale(TimeScales timeScales); 73 74 }