vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/Sequence.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\DBAL\Schema;

use Doctrine\DBAL\Schema\Visitor\Visitor;

/**
 * Sequence structure.
 *
 * @link   www.doctrine-project.org
 * @since  2.0
 * @author Benjamin Eberlei <kontakt@beberlei.de>
 */
class Sequence extends AbstractAsset
{
    /**
     * @var integer
     */
    protected $allocationSize = 1;

    /**
     * @var integer
     */
    protected $initialValue = 1;

    /**
     * @var integer|null
     */
    protected $cache = null;

    /**
     * @param string       $name
     * @param integer      $allocationSize
     * @param integer      $initialValue
     * @param integer|null $cache
     */
    public function __construct($name, $allocationSize = 1, $initialValue = 1, $cache = null)
    {
        $this->_setName($name);
        $this->allocationSize = is_numeric($allocationSize) ? $allocationSize : 1;
        $this->initialValue = is_numeric($initialValue) ? $initialValue : 1;
        $this->cache = $cache;
    }