graphdb/titan0/src/main/java/org/apache/atlas/repository/graphdb/titan0/TitanObjectFactory.java [32:80]:
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public final class TitanObjectFactory {

    private TitanObjectFactory() {

    }

    /**
     * Retrieves the titan direction corresponding to the given
     * AtlasEdgeDirection.
     *
     * @param dir
     * @return
     */
    public static Direction createDirection(AtlasEdgeDirection dir) {

        switch(dir) {
        case IN:
            return Direction.IN;
        case OUT:
            return Direction.OUT;
        case BOTH:
            return Direction.BOTH;
        default:
            throw new RuntimeException("Unrecognized direction: " + dir);
        }
    }


    /**
     * Converts a Multiplicity to a Cardinality.
     *
     * @param multiplicity
     * @return
     */
    public static Cardinality createCardinality(AtlasCardinality cardinality) {
        switch(cardinality) {

        case SINGLE:
            return Cardinality.SINGLE;
        case LIST:
            return Cardinality.LIST;
        case SET:
            return Cardinality.SET;
        default:
            throw new IllegalStateException("Unrecognized cardinality: " + cardinality);
        }
    }

    public static PropertyKey createPropertyKey(AtlasPropertyKey key) {
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graphdb/titan1/src/main/java/org/apache/atlas/repository/graphdb/titan1/TitanObjectFactory.java [33:81]:
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public final class TitanObjectFactory {

    private TitanObjectFactory() {

    }

    /**
     * Retrieves the titan direction corresponding to the given
     * AtlasEdgeDirection.
     *
     * @param dir
     * @return
     */
    public static Direction createDirection(AtlasEdgeDirection dir) {

        switch(dir) {
        case IN:
            return Direction.IN;
        case OUT:
            return Direction.OUT;
        case BOTH:
            return Direction.BOTH;
        default:
            throw new RuntimeException("Unrecognized direction: " + dir);
        }
    }


    /**
     * Converts a Multiplicity to a Cardinality.
     *
     * @param multiplicity
     * @return
     */
    public static Cardinality createCardinality(AtlasCardinality cardinality) {
        switch(cardinality) {

        case SINGLE:
            return Cardinality.SINGLE;
        case LIST:
            return Cardinality.LIST;
        case SET:
            return Cardinality.SET;
        default:
            throw new IllegalStateException("Unrecognized cardinality: " + cardinality);
        }
    }

    public static PropertyKey createPropertyKey(AtlasPropertyKey key) {
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