vendor/doctrine/dbal/lib/Doctrine/DBAL/Sharding/SQLAzure/SQLAzureFederationsSynchronizer.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\Sharding\SQLAzure;

use Doctrine\DBAL\Schema\Schema;
use Doctrine\DBAL\Connection;
use Doctrine\DBAL\Types\Type;

use Doctrine\DBAL\Schema\Synchronizer\AbstractSchemaSynchronizer;
use Doctrine\DBAL\Schema\Synchronizer\SingleDatabaseSynchronizer;
use Doctrine\DBAL\Schema\Synchronizer\SchemaSynchronizer;

/**
 * SQL Azure Schema Synchronizer.
 *
 * Will iterate over all shards when performing schema operations. This is done
 * by partitioning the passed schema into subschemas for the federation and the
 * global database and then applying the operations step by step using the
 * {@see \Doctrine\DBAL\Schema\Synchronizer\SingleDatabaseSynchronizer}.
 *
 * @author Benjamin Eberlei <kontakt@beberlei.de>
 */
class SQLAzureFederationsSynchronizer extends AbstractSchemaSynchronizer
{
    const FEDERATION_TABLE_FEDERATED   = 'azure.federated';
    const FEDERATION_DISTRIBUTION_NAME = 'azure.federatedOnDistributionName';

    /**
     * @var \Doctrine\DBAL\Sharding\SQLAzure\SQLAzureShardManager
     */
    private $shardManager;

    /**
     * @var \Doctrine\DBAL\Schema\Synchronizer\SchemaSynchronizer
     */
    private $synchronizer;

    /**
     * @param \Doctrine\DBAL\Connection                                  $conn
     * @param \Doctrine\DBAL\Sharding\SQLAzure\SQLAzureShardManager      $shardManager
     * @param \Doctrine\DBAL\Schema\Synchronizer\SchemaSynchronizer|null $sync
     */
    public function __construct(Connection $conn, SQLAzureShardManager $shardManager, SchemaSynchronizer $sync = null)

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