/*$************************************************************************************************
 **
 ** $Id: CitationDate.java 1063 2007-08-19 14:00:48Z desruisseaux $
 **
 ** $URL: https://geoapi.svn.sourceforge.net/svnroot/geoapi/tags/2.1.1/geoapi/src/main/java/org/opengis/metadata/citation/CitationDate.java $
 **
 ** Copyright (C) 2004-2005 Open GIS Consortium, Inc.
 ** All Rights Reserved. http://www.opengis.org/legal/
 **
 *************************************************************************************************/
package org.opengis.metadata.citation;

import java.util.Date;
import org.opengis.annotation.UML;
import org.opengis.annotation.Profile;

import static org.opengis.annotation.Obligation.*;
import static org.opengis.annotation.Specification.*;
import static org.opengis.annotation.ComplianceLevel.*;
import static org.opengis.annotation.Specification.*;


/**
 * Reference date and event used to describe it.
 *
 * @author <A HREF="http://www.opengeospatial.org/standards/as#01-111">ISO 19115</A>
 * @author Martin Desruisseaux (IRD)
 * @since GeoAPI 2.0
 */
@Profile (level=CORE)
@UML(identifier="CI_Date", specification=ISO_19115)
public interface CitationDate {
    /**
     * Reference date for the cited resource.
     */
    @Profile (level=CORE)
    @UML(identifier="date", obligation=MANDATORY, specification=ISO_19115)
    Date getDate();

    /**
     * Event used for reference date.
     */
    @Profile (level=CORE)
    @UML(identifier="dateType", obligation=MANDATORY, specification=ISO_19115)
    DateType getDateType();
}
