/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2011, Open Source Geospatial Foundation (OSGeo)
 *    (C) 2004-2005, Open Geospatial Consortium Inc.
 *    
 *    All Rights Reserved. http://www.opengis.org/legal/
 */
package org.opengis.metadata.quality;

import java.util.Collection;
import org.opengis.metadata.lineage.Lineage;
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.*;


/**
 * Quality information for the data specified by a data quality scope.
 *
 *
 * @source $URL: http://svn.osgeo.org/geotools/trunk/modules/library/opengis/src/main/java/org/opengis/metadata/quality/DataQuality.java $
 * @version <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="DQ_DataQuality", specification=ISO_19115)
public interface DataQuality {
    /**
     * The specific data to which the data quality information applies.
     *
     * @return The specific data to which the data quality information applies.
     */
    @UML(identifier="scope", obligation=MANDATORY, specification=ISO_19115)
    Scope getScope();

    /**
     * Quantitative quality information for the data specified by the scope.
     * Should be provided only if {@linkplain Scope#getLevel scope level} is
     * {@linkplain org.opengis.metadata.maintenance.ScopeCode#DATASET dataset}.
     *
     * @return Quantitative quality information for the data.
     */
    @UML(identifier="report", obligation=CONDITIONAL, specification=ISO_19115)
    Collection<? extends Element> getReports();

    /**
     * Non-quantitative quality information about the lineage of the data specified by the scope.
     * Should be provided only if {@linkplain Scope#getLevel scope level} is
     * {@linkplain org.opengis.metadata.maintenance.ScopeCode#DATASET dataset}.
     *
     * @return Non-quantitative quality information about the lineage of the data specified,
     *         or {@code null}.
     */
    @Profile (level=CORE)
    @UML(identifier="lineage", obligation=CONDITIONAL, specification=ISO_19115)
    Lineage getLineage();
}