ExceptionalDataContext.java
/* Contributed in the public domain.
* Licensed to CS GROUP (CS) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* CS 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.
*/
package org.orekit.data;
import org.orekit.attitudes.InertialProvider;
import org.orekit.bodies.LazyLoadedCelestialBodies;
import org.orekit.errors.OrekitException;
import org.orekit.errors.OrekitMessages;
import org.orekit.forces.gravity.potential.LazyLoadedGravityFields;
import org.orekit.frames.LazyLoadedFrames;
import org.orekit.models.earth.LazyLoadedGeoMagneticFields;
import org.orekit.time.AbsoluteDate;
import org.orekit.time.LazyLoadedTimeScales;
/**
* A data context that always throws a runtime exception when it's methods are used. Can
* be useful for determining if the default data context is used. E.g. {@code
* DataContext.setDefault(new ExceptionalDataContext());}. The following classes have
* static fields that are initialized using the default data context:
*
* <ul>
* <li>{@link AbsoluteDate}
* <li>{@link InertialProvider}
* </ul>
*
* @author Evan Ward
* @see DataContext#setDefault(LazyLoadedDataContext)
* @since 10.1
*/
public class ExceptionalDataContext extends LazyLoadedDataContext implements DataContext {
@Override
public LazyLoadedTimeScales getTimeScales() {
throw new OrekitException(OrekitMessages.EXCEPTIONAL_DATA_CONTEXT);
}
@Override
public LazyLoadedFrames getFrames() {
throw new OrekitException(OrekitMessages.EXCEPTIONAL_DATA_CONTEXT);
}
@Override
public LazyLoadedCelestialBodies getCelestialBodies() {
throw new OrekitException(OrekitMessages.EXCEPTIONAL_DATA_CONTEXT);
}
@Override
public LazyLoadedGravityFields getGravityFields() {
throw new OrekitException(OrekitMessages.EXCEPTIONAL_DATA_CONTEXT);
}
@Override
public LazyLoadedGeoMagneticFields getGeoMagneticFields() {
throw new OrekitException(OrekitMessages.EXCEPTIONAL_DATA_CONTEXT);
}
}