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

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;

/**
 * Provides 4 values for indeterminate positions.
 *
 * @author Stephane Fellah (Image Matters)
 * @author Alexander Petkov
 * @author Martin Desruisseaux (IRD)
 * @todo Need javadoc for each enumeration.
 */
@UML(identifier = "TM_IndeterminateValue", specification = ISO_19108)
public final class IndeterminateValue extends CodeList {
    /** Serial number for compatibility with different versions. */
    private static final long serialVersionUID = 1399031922917754577L;

    /** List of all enumerations of this type. Must be declared before any enum declaration. */
    private static final List VALUES = new ArrayList(4);

    public static final IndeterminateValue UNKNOWN = new IndeterminateValue("UNKNOWN");
    public static final IndeterminateValue NOW = new IndeterminateValue("NOW");
    public static final IndeterminateValue BEFORE = new IndeterminateValue("BEFORE");
    public static final IndeterminateValue AFTER = new IndeterminateValue("AFTER");

    /**
     * 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 IndeterminateValue(final String name) {
        super(name, VALUES);
    }

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

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

    /**
     * Returns the indeterminate value 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 IndeterminateValue valueOf(String code) {
        return valueOf(IndeterminateValue.class, code);
    }
}