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The development community in building GIS solutions is sustaining an enormous level of effort. The GeoAPI project aims to reduce duplication and increase interoperability by providing neutral, interface-only APIs derived from OGC/ISO Standards.

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/*
 *    GeoAPI - Java interfaces for OGC/ISO standards
 *    http://www.geoapi.org
 *
 *    Copyright (C) 2004-2011 Open Geospatial Consortium, Inc.
 *    All Rights Reserved. http://www.opengeospatial.org/ogc/legal
 *
 *    Permission to use, copy, and modify this software and its documentation, with
 *    or without modification, for any purpose and without fee or royalty is hereby
 *    granted, provided that you include the following on ALL copies of the software
 *    and documentation or portions thereof, including modifications, that you make:
 *
 *    1. The full text of this NOTICE in a location viewable to users of the
 *       redistributed or derivative work.
 *    2. Notice of any changes or modifications to the OGC files, including the
 *       date changes were made.
 *
 *    THIS SOFTWARE AND DOCUMENTATION IS PROVIDED "AS IS," AND COPYRIGHT HOLDERS MAKE
 *    NO REPRESENTATIONS OR WARRANTIES, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED
 *    TO, WARRANTIES OF MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE OR THAT
 *    THE USE OF THE SOFTWARE OR DOCUMENTATION WILL NOT INFRINGE ANY THIRD PARTY
 *    PATENTS, COPYRIGHTS, TRADEMARKS OR OTHER RIGHTS.
 *
 *    COPYRIGHT HOLDERS WILL NOT BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL OR
 *    CONSEQUENTIAL DAMAGES ARISING OUT OF ANY USE OF THE SOFTWARE OR DOCUMENTATION.
 *
 *    The name and trademarks of copyright holders may NOT be used in advertising or
 *    publicity pertaining to the software without specific, written prior permission.
 *    Title to copyright in this software and any associated documentation will at all
 *    times remain with copyright holders.
 */
package org.opengis.metadata.lineage;

import java.util.Collection;
import org.opengis.util.InternationalString;
import org.opengis.metadata.quality.Scope;
import org.opengis.metadata.maintenance.ScopeCode;
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.*;


/**
 * Information about the events or source data used in constructing the data specified by
 * the scope or lack of knowledge about lineage.
 *
 * Only one of {@linkplain #getStatement statement}, {@linkplain #getProcessSteps process steps}
 * and {@linkplain #getSources sources} shall be provided.
 *
 * @author  Martin Desruisseaux (IRD)
 * @version 3.0
 * @since   2.0
 *
 * @navassoc - - - ProcessStep
 * @navassoc - - - Source
 */
@UML(identifier="LI_Lineage", specification=ISO_19115)
public interface Lineage {
    /**
     * General explanation of the data producer's knowledge about the lineage of a dataset.
     *
     * @return Explanation of the data producer's knowledge about the lineage, or {@code null}.
     *
     * @condition Shall be provided only if {@linkplain Scope#getLevel scope level} is
     *            {@link ScopeCode#DATASET} or {@link ScopeCode#SERIES}.
     */
    @Profile(level=CORE)
    @UML(identifier="statement", obligation=CONDITIONAL, specification=ISO_19115)
    InternationalString getStatement();

    /**
     * Information about an event in the creation process for the data specified by the scope.
     *
     * @return Information about an event in the creation process.
     *
     * @condition Mandatory if {@linkplain #getStatement statement} and
     *            {@linkplain #getSources source} are not provided.
     */
    @UML(identifier="processStep", obligation=CONDITIONAL, specification=ISO_19115)
    Collection getProcessSteps();

    /**
     * Information about the source data used in creating the data specified by the scope.
     *
     * @return Information about the source data.
     *
     * @condition Mandatory if {@linkplain #getStatement statement} and
     *           {@linkplain #getProcessSteps process step} are not provided.
     */
    @UML(identifier="source", obligation=CONDITIONAL, specification=ISO_19115)
    Collection getSources();
}