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Standard interfaces implemented throughout the library.
There is a newer version: 24.2-oss84-1
/*
 *    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;

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

import java.util.Collection;
import org.opengis.annotation.UML;
import org.opengis.metadata.citation.ResponsibleParty;
import org.opengis.util.InternationalString;

/**
 * New metadata element, not found in ISO 19115, which is required to describe geographic data.
 *
 * @version ISO 19115
 * @author Martin Desruisseaux (IRD)
 * @since GeoAPI 2.0
 */
@UML(identifier = "MD_ExtendedElementInformation", specification = ISO_19115)
public interface ExtendedElementInformation {
    /**
     * Name of the extended metadata element.
     *
     * @return Name of the extended metadata element.
     */
    @UML(identifier = "name", obligation = MANDATORY, specification = ISO_19115)
    String getName();

    /**
     * Short form suitable for use in an implementation method such as XML or SGML. Returns {@code
     * null} if the {@linkplain #getDataType data type} is {@linkplain Datatype#CODE_LIST_ELEMENT
     * code list element}, in which case {@link #getDomainCode} may be used instead.
     *
     * @return Short form suitable for use in an implementation method such as XML or SGML, or
     *     {@code null}.
     */
    @UML(identifier = "shortName", obligation = CONDITIONAL, specification = ISO_19115)
    String getShortName();

    /**
     * Three digit code assigned to the extended element. Returns a non-null value only if the
     * {@linkplain #getDataType data type} is {@linkplain Datatype#CODE_LIST_ELEMENT code list
     * element}, in which case {@link #getShortName} may be used instead.
     *
     * @return Three digit code assigned to the extended element, or {@code null}.
     */
    @UML(identifier = "domainCode", obligation = CONDITIONAL, specification = ISO_19115)
    Integer getDomainCode();

    /**
     * Definition of the extended element.
     *
     * @return Definition of the extended element.
     */
    @UML(identifier = "definition", obligation = MANDATORY, specification = ISO_19115)
    InternationalString getDefinition();

    /**
     * Obligation of the extended element.
     *
     * @return Obligation of the extended element, or {@code null}.
     */
    @UML(identifier = "obligation", obligation = CONDITIONAL, specification = ISO_19115)
    Obligation getObligation();

    /**
     * Condition under which the extended element is mandatory. Returns a non-null value only if the
     * {@linkplain #getObligation obligation} is {@linkplain Obligation#CONDITIONAL conditional}.
     *
     * @return The condition under which the extended element is mandatory, or {@code null}.
     */
    @UML(identifier = "condition", obligation = CONDITIONAL, specification = ISO_19115)
    InternationalString getCondition();

    /**
     * Code which identifies the kind of value provided in the extended element.
     *
     * @return The kind of value provided in the extended element.
     */
    @UML(identifier = "dataType", obligation = MANDATORY, specification = ISO_19115)
    Datatype getDataType();

    /**
     * Maximum occurrence of the extended element. Returns {@code null} if it doesn't apply, for
     * example if the {@linkplain #getDataType data type} is {@linkplain Datatype#ENUMERATION
     * enumeration}, {@linkplain Datatype#CODE_LIST code list} or {@linkplain
     * Datatype#CODE_LIST_ELEMENT code list element}.
     *
     * @return Maximum occurrence of the extended element, or {@code null}.
     */
    @UML(identifier = "maximumOccurrence", obligation = CONDITIONAL, specification = ISO_19115)
    Integer getMaximumOccurrence();

    /**
     * Valid values that can be assigned to the extended element. Returns {@code null} if it doesn't
     * apply, for example if the {@linkplain #getDataType data type} is {@linkplain
     * Datatype#ENUMERATION enumeration}, {@linkplain Datatype#CODE_LIST code list} or {@linkplain
     * Datatype#CODE_LIST_ELEMENT code list element}.
     *
     * @return Valid values that can be assigned to the extended element, or {@code null}.
     */
    @UML(identifier = "domainValue", obligation = CONDITIONAL, specification = ISO_19115)
    InternationalString getDomainValue();

    /**
     * Name of the metadata entity(s) under which this extended metadata element may appear. The
     * name(s) may be standard metadata element(s) or other extended metadata element(s).
     *
     * @return Name of the metadata entity(s) under which this extended metadata element may appear.
     */
    @UML(identifier = "parentEntity", obligation = MANDATORY, specification = ISO_19115)
    Collection getParentEntity();

    /**
     * Specifies how the extended element relates to other existing elements and entities.
     *
     * @return How the extended element relates to other existing elements and entities.
     */
    @UML(identifier = "rule", obligation = MANDATORY, specification = ISO_19115)
    InternationalString getRule();

    /**
     * Reason for creating the extended element.
     *
     * @return Reason for creating the extended element.
     */
    @UML(identifier = "rationale", obligation = OPTIONAL, specification = ISO_19115)
    Collection getRationales();

    /**
     * Name of the person or organization creating the extended element.
     *
     * @return Name of the person or organization creating the extended element.
     */
    @UML(identifier = "source", obligation = MANDATORY, specification = ISO_19115)
    Collection getSources();
}