TimeShiftable.java

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 *
 *   http://www.apache.org/licenses/LICENSE-2.0
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package org.orekit.time;

/** This interface represents objects that can be shifted in time.
 * @param <T> Type of the object.
 * @author Luc Maisonobe
 */
public interface TimeShiftable<T extends TimeShiftable<T>> {

    /** Get a time-shifted instance.
     * @param dt time shift in seconds
     * @return a new instance, shifted with respect to instance (which is not changed)
     */
    T shiftedBy(double dt);

    /** Get a time-shifted instance.
     * @param dt time shift
     * @return a new instance, shifted with respect to instance (which is not changed)
     * @since 13.0
     */
    default T shiftedBy(TimeOffset dt) {
        return shiftedBy(dt.toDouble());
    }

}