vendor/doctrine/annotations/lib/Doctrine/Common/Annotations/Annotation/Enum.php

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<?php

/*
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
 * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
 * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
 * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
 * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * This software consists of voluntary contributions made by many individuals
 * and is licensed under the MIT license. For more information, see
 * <http://www.doctrine-project.org>.
 */

namespace Doctrine\Common\Annotations\Annotation;

/**
 * Annotation that can be used to signal to the parser
 * to check the available values during the parsing process.
 *
 * @since  2.4
 * @author Fabio B. Silva <fabio.bat.silva@gmail.com>
 *
 * @Annotation
 * @Attributes({
 *    @Attribute("value",   required = true,  type = "array"),
 *    @Attribute("literal", required = false, type = "array")
 * })
 */
final class Enum
{
    /**
     * @var array
     */
    public $value;

    /**
     * Literal target declaration.
     *
     * @var array
     */
    public $literal;

    /**
     * Annotation constructor.
     *
     * @param array $values
     *
     * @throws \InvalidArgumentException
     */
    public function __construct(array $values)
    {
        if ( ! isset($values['literal'])) {
            $values['literal'] = array();