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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.spatial;

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

import java.util.ArrayList;
import java.util.List;
import org.opengis.annotation.UML;
import org.opengis.util.CodeList;

/**
 * Degree of complexity of the spatial relationships.
 *
 * @version ISO 19115
 * @author Martin Desruisseaux (IRD)
 * @since GeoAPI 2.0
 */
@UML(identifier = "MD_TopologyLevelCode", specification = ISO_19115)
public final class TopologyLevel extends CodeList {
    /** Serial number for compatibility with different versions. */
    private static final long serialVersionUID = -179324311133793389L;

    /** List of all enumerations of this type. Must be declared before any enum declaration. */
    private static final List VALUES = new ArrayList(9);

    /** Geometry objects without any additional structure which describes topology. */
    @UML(identifier = "geometryOnly", obligation = CONDITIONAL, specification = ISO_19115)
    public static final TopologyLevel GEOMETRY_ONLY = new TopologyLevel("GEOMETRY_ONLY");

    /** 1-dimensional topological complex. */
    @UML(identifier = "topology1D", obligation = CONDITIONAL, specification = ISO_19115)
    public static final TopologyLevel TOPOLOGY_1D = new TopologyLevel("TOPOLOGY_1D");

    /** 1-dimensional topological complex which is planar. */
    @UML(identifier = "planarGraph", obligation = CONDITIONAL, specification = ISO_19115)
    public static final TopologyLevel PLANAR_GRAPH = new TopologyLevel("PLANAR_GRAPH");

    /** 2-dimensional topological complex which is planar. */
    @UML(identifier = "fullPlanarGraph", obligation = CONDITIONAL, specification = ISO_19115)
    public static final TopologyLevel FULL_PLANAR_GRAPH = new TopologyLevel("FULL_PLANAR_GRAPH");

    /** 1-dimensional topological complex which is isomorphic to a subset of a surface. */
    @UML(identifier = "surfaceGraph", obligation = CONDITIONAL, specification = ISO_19115)
    public static final TopologyLevel SURFACE_GRAPH = new TopologyLevel("SURFACE_GRAPH");

    /** 2-dimensional topological complex which is isomorphic to a subset of a surface. */
    @UML(identifier = "fullSurfaceGraph", obligation = CONDITIONAL, specification = ISO_19115)
    public static final TopologyLevel FULL_SURFACE_GRAPH = new TopologyLevel("FULL_SURFACE_GRAPH");

    /** 3-dimensional topological complex. */
    @UML(identifier = "topology3D", obligation = CONDITIONAL, specification = ISO_19115)
    public static final TopologyLevel TOPOLOGY_3D = new TopologyLevel("TOPOLOGY_3D");

    /** Complete coverage of a 3D coordinate space. */
    @UML(identifier = "fullTopology3D", obligation = CONDITIONAL, specification = ISO_19115)
    public static final TopologyLevel FULL_TOPOLOGY_3D = new TopologyLevel("FULL_TOPOLOGY_3D");

    /** Topological complex without any specified geometric realization. */
    @UML(identifier = "abstract", obligation = CONDITIONAL, specification = ISO_19115)
    public static final TopologyLevel ABSTRACT = new TopologyLevel("ABSTRACT");

    /**
     * Constructs an enum with the given name. The new enum is automatically added to the list
     * returned by {@link #values}.
     *
     * @param name The enum name. This name must not be in use by an other enum of this type.
     */
    private TopologyLevel(final String name) {
        super(name, VALUES);
    }

    /**
     * Returns the list of {@code TopologyLevel}s.
     *
     * @return The list of codes declared in the current JVM.
     */
    public static TopologyLevel[] values() {
        synchronized (VALUES) {
            return VALUES.toArray(new TopologyLevel[VALUES.size()]);
        }
    }

    /** Returns the list of enumerations of the same kind than this enum. */
    public TopologyLevel[] family() {
        return values();
    }

    /**
     * Returns the topology level that matches the given string, or returns a new one if none match
     * it.
     *
     * @param code The name of the code to fetch or to create.
     * @return A code matching the given name.
     */
    public static TopologyLevel valueOf(String code) {
        return valueOf(TopologyLevel.class, code);
    }
}