DefaultDataContextHolder.java

  1. /* Contributed in the public domain.
  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.data;

  18. /**
  19.  * Holds a mutable static field since {@link DataContext} cannot.
  20.  *
  21.  * @author Evan Ward
  22.  * @since 10.1
  23.  */
  24. class DefaultDataContextHolder {

  25.     /** The default Orekit data context. */
  26.     private static volatile LazyLoadedDataContext INSTANCE = new LazyLoadedDataContext();

  27.     /** Private Constructor. */
  28.     private DefaultDataContextHolder() {
  29.     }

  30.     /** Get the default Orekit data context.
  31.      * @return Orekit's default data context.
  32.      */
  33.     static LazyLoadedDataContext getInstance() {
  34.         return INSTANCE;
  35.     }

  36.     /** Set the default Orekit data context.
  37.      * @param context the new data context.
  38.      */
  39.     static void setInstance(final LazyLoadedDataContext context) {
  40.         INSTANCE = context;
  41.     }

  42. }