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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;
- /**
- * @param string $name
- * @param integer $allocationSize
- * @param integer $initialValue
- */
- public function __construct($name, $allocationSize=1, $initialValue=1)
- {
- $this->_setName($name);
- $this->_allocationSize = (is_numeric($allocationSize))?$allocationSize:1;
- $this->_initialValue = (is_numeric($initialValue))?$initialValue:1;
- }
- /**
- * @return integer
- */
- public function getAllocationSize()
- {
- return $this->_allocationSize;
- }
- /**
- * @return integer
- */
- public function getInitialValue()
- {
- return $this->_initialValue;
- }
- /**
- * @param integer $allocationSize
- *
- * @return void
- */
- public function setAllocationSize($allocationSize)
- {
- $this->_allocationSize = (is_numeric($allocationSize))?$allocationSize:1;
- }
- /**
- * @param integer $initialValue
- *
- * @return void
- */
- public function setInitialValue($initialValue)
- {
- $this->_initialValue = (is_numeric($initialValue))?$initialValue:1;
- }
- /**
- * Checks if this sequence is an autoincrement sequence for a given table.
- *
- * This is used inside the comparator to not report sequences as missing,
- * when the "from" schema implicitly creates the sequences.
- *
- * @param \Doctrine\DBAL\Schema\Table $table
- *
- * @return boolean
- */
- public function isAutoIncrementsFor(Table $table)
- {
- if ( ! $table->hasPrimaryKey()) {
- return false;
- }
- $pkColumns = $table->getPrimaryKey()->getColumns();
- if (count($pkColumns) != 1) {
- return false;
- }
- $column = $table->getColumn($pkColumns[0]);
- if ( ! $column->getAutoincrement()) {
- return false;
- }
- $sequenceName = $this->getShortestName($table->getNamespaceName());
- $tableName = $table->getShortestName($table->getNamespaceName());
- $tableSequenceName = sprintf('%s_%s_seq', $tableName, $pkColumns[0]);
- return $tableSequenceName === $sequenceName;
- }
- /**
- * @param \Doctrine\DBAL\Schema\Visitor\Visitor $visitor
- *
- * @return void
- */
- public function visit(Visitor $visitor)
- {
- $visitor->acceptSequence($this);
- }
- }
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