001    /*
002     *    GeoAPI - Java interfaces for OGC/ISO standards
003     *    http://www.geoapi.org
004     *
005     *    Copyright (C) 2006-2013 Open Geospatial Consortium, Inc.
006     *    All Rights Reserved. http://www.opengeospatial.org/ogc/legal
007     *
008     *    Permission to use, copy, and modify this software and its documentation, with
009     *    or without modification, for any purpose and without fee or royalty is hereby
010     *    granted, provided that you include the following on ALL copies of the software
011     *    and documentation or portions thereof, including modifications, that you make:
012     *
013     *    1. The full text of this NOTICE in a location viewable to users of the
014     *       redistributed or derivative work.
015     *    2. Notice of any changes or modifications to the OGC files, including the
016     *       date changes were made.
017     *
018     *    THIS SOFTWARE AND DOCUMENTATION IS PROVIDED "AS IS," AND COPYRIGHT HOLDERS MAKE
019     *    NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
020     *    TO, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT
021     *    THE USE OF THE SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY
022     *    PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.
023     *
024     *    COPYRIGHT HOLDERS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL OR
025     *    CONSEQUENTIAL DAMAGES ARISING OUT OF ANY USE OF THE SOFTWARE OR DOCUMENTATION.
026     *
027     *    The name and trademarks of copyright holders may NOT be used in advertising or
028     *    publicity pertaining to the software without specific, written prior permission.
029     *    Title to copyright in this software and any associated documentation will at all
030     *    times remain with copyright holders.
031     */
032    package org.opengis.temporal;
033    
034    import org.opengis.annotation.UML;
035    
036    import static org.opengis.annotation.Obligation.*;
037    import static org.opengis.annotation.Specification.*;
038    
039    
040    /**
041     * A one-dimensional geometric primitive that represent extent in time.
042     *
043     * @author Stephane Fellah (Image Matters)
044     * @author Alexander Petkov
045     */
046    @UML(identifier="TM_Period", specification=ISO_19108)
047    public interface Period extends TemporalGeometricPrimitive {
048        /**
049         * Links this period to the instant at which it starts.
050         */
051        @UML(identifier="Beginning", obligation=MANDATORY, specification=ISO_19108)
052        Instant getBeginning();
053    
054        /**
055         * Links this period to the instant at which it ends.
056         */
057        @UML(identifier="Ending", obligation=MANDATORY, specification=ISO_19108)
058        Instant getEnding();
059    }