<?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\Visitor;

use Doctrine\DBAL\Schema\Table;
use Doctrine\DBAL\Schema\Schema;
use Doctrine\DBAL\Schema\Column;
use Doctrine\DBAL\Schema\ForeignKeyConstraint;
use Doctrine\DBAL\Schema\Sequence;
use Doctrine\DBAL\Schema\Index;

/**
 * Schema Visitor used for Validation or Generation purposes.
 *
 * @link www.doctrine-project.org
 * @since 2.0
 * @author Benjamin Eberlei <kontakt@beberlei.de>
 */
interface Visitor
{

    /**
     *
     * @param \Doctrine\DBAL\Schema\Schema $schema
     *
     * @return void
     */
    public function acceptSchema(Schema $schema);

    /**
     *
     * @param \Doctrine\DBAL\Schema\Table $table
     *
     * @return void
     */
    public function acceptTable(Table $table);

    /**
     *
     * @param \Doctrine\DBAL\Schema\Table $table
     * @param \Doctrine\DBAL\Schema\Column $column
     *
     * @return void
     */
    public function acceptColumn(Table $table, Column $column);

    /**
     *
     * @param \Doctrine\DBAL\Schema\Table $localTable
     * @param \Doctrine\DBAL\Schema\ForeignKeyConstraint $fkConstraint
     *
     * @return void
     */
    public function acceptForeignKey(Table $localTable, ForeignKeyConstraint $fkConstraint);

    /**
     *
     * @param \Doctrine\DBAL\Schema\Table $table
     * @param \Doctrine\DBAL\Schema\Index $index
     *
     * @return void
     */
    public function acceptIndex(Table $table, Index $index);

    /**
     *
     * @param \Doctrine\DBAL\Schema\Sequence $sequence
     *
     * @return void
     */
    public function acceptSequence(Sequence $sequence);
}
