temporaldatum.java

GEo 地理操作源代码

/*$************************************************************************************************
 **
 ** $Id: TemporalDatum.java,v 1.1 2004/05/06 15:51:50 desruisseaux Exp $
 **
 ** $Source: /cvsroot/geoapi/src/org/opengis/referencing/datum/TemporalDatum.java,v $
 **
 ** Copyright (C) 2003 Open GIS Consortium, Inc. All Rights Reserved. http://www.opengis.org/Legal/
 **
 *************************************************************************************************/
package org.opengis.referencing.datum;

// J2SE direct dependencies
import java.util.Date;
import java.util.Locale;


/**
 * A temporal datum defines the origin of a temporal coordinate reference system.
 *
 * @UML abstract CD_TemporalDatum
 * @author ISO 19111
 * @author <A HREF="http://www.opengis.org">OpenGIS&reg; consortium</A>
 * @version <A HREF="http://www.opengis.org/docs/03-073r1.zip">Abstract specification 2.0</A>
 */
public interface TemporalDatum extends Datum {
    /**
     * The date and time origin of this temporal datum.
     *
     * @return The date and time origin of this temporal datum.
     * @UML mandatory origin
     */
    Date getOrigin();

    /**
     * Description of the point or points used to anchor the datum to the Earth.
     *
     * @deprecated This attribute is defined in the {@link Datum} parent interface,
     *             but is not used by a temporal Datum.
     *
     * @return Always <code>null</code>.
     */
    String getAnchorPoint(Locale locale);

    /**
     * The time after which this datum definition is valid.
     *
     * @deprecated This attribute is defined in the {@link Datum} parent interface,
     *             but is not used by a temporal Datum.
     *
     * @return Always <code>null</code>.
     */
    Date getRealizationEpoch();
}