the whole shebang

vendor/doctrine/dbal/lib/Doctrine/DBAL/Schema/Sequence.php

@@ -0,0 +1,135 @@
+<?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);
+    }
+}