/*$************************************************************************************************
 **
 ** $Id: BoundingPolygon.java 1063 2007-08-19 14:00:48Z desruisseaux $
 **
 ** $URL: https://geoapi.svn.sourceforge.net/svnroot/geoapi/tags/2.1.0/geoapi/src/main/java/org/opengis/metadata/extent/BoundingPolygon.java $
 **
 ** Copyright (C) 2004-2005 Open GIS Consortium, Inc.
 ** All Rights Reserved. http://www.opengis.org/legal/
 **
 *************************************************************************************************/
package org.opengis.metadata.extent;

import java.util.Collection;
import org.opengis.geometry.Geometry;
import org.opengis.annotation.UML;

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


/**
 * Boundary enclosing the dataset, expressed as the closed set of
 * (<var>x</var>,<var>y</var>) coordinates of the polygon. The last
 * point replicates first point.
 *
 * @author <A HREF="http://www.opengeospatial.org/standards/as#01-111">ISO 19115</A>
 * @author Martin Desruisseaux (IRD)
 * @since GeoAPI 1.0
 */
@UML(identifier="EX_BoundingPolygon", specification=ISO_19115)
public interface BoundingPolygon extends GeographicExtent {
    /**
     * Returns the sets of points defining the bounding polygon.
     */
    @UML(identifier="polygon", obligation=MANDATORY, specification=ISO_19115)
    Collection<? extends Geometry> getPolygons();
}
