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/*
 *    GeoTools - The Open Source Java GIS Toolkit
 *    http://geotools.org
 *
 *    (C) 2011, Open Source Geospatial Foundation (OSGeo)
 *    (C) 2003-2005 Open Geospatial Consortium Inc.
 *
 *    All Rights Reserved. http://www.opengis.org/legal/
 */
package org.opengis.annotation;

/**
 * Compliance level for elements. The international standards defines an extensive set of metadata
 * elements. Typically only a subset of the full number of elements is used. However, it is
 * essential that a basic minimum number of metadata elements be maintained for a dataset.
 *
 * @version ISO 19115
 * @author Martin Desruisseaux (IRD)
 * @since GeoAPI 2.0
 */
public enum ComplianceLevel {
    /**
     * Core metadata elements required to identify a dataset, typically for catalogue purposes. This
     * level specifies metadata elements answering the following questions: "Does a dataset on a
     * specific topic exist (what)?", "For a specific place (where)?", "For a specific date or
     * period (when)?" and "A point of contact to learn more about or order the dataset (who)?".
     * Using the recommended {@linkplain Obligation#OPTIONAL optional} elements in addition to the
     * {@linkplain Obligation#MANDATORY mandatory} elements will increase interoperability, allowing
     * users to understand without ambiguity the geographic data and the related metadata provided
     * by either the producer or the distributor.
     */
    CORE,

    /** Indicates a required element of the spatial profile. */
    SPATIAL,

    /** Indicates a required element of the feature profile. */
    FEATURE,

    /** Indicates a required element of the data provider profile. */
    DATA_PROVIDER,

    /** Indicates a required element of the display object profile. */
    DISPLAY_OBJECT,

    /** Indicates a required element of the editable display object profile. */
    EDITABLE_DISPLAY_OBJECT,

    /** Indicates a required element of the feature display object profile. */
    FEATURE_DISPLAY_OBJECT
}