--- /dev/null
+<?php
+/*
+ * $Id$
+ *
+ * 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;
+use Doctrine\DBAL\Platforms\AbstractPlatform;
+
+class ForeignKeyConstraint extends AbstractAsset implements Constraint
+{
+ /**
+ * @var Table
+ */
+ protected $_localTable;
+
+ /**
+ * @var array
+ */
+ protected $_localColumnNames;
+
+ /**
+ * @var string
+ */
+ protected $_foreignTableName;
+
+ /**
+ * @var array
+ */
+ protected $_foreignColumnNames;
+
+ /**
+ * @var string
+ */
+ protected $_cascade = '';
+
+ /**
+ * @var array
+ */
+ protected $_options;
+
+ /**
+ *
+ * @param array $localColumnNames
+ * @param string $foreignTableName
+ * @param array $foreignColumnNames
+ * @param string $cascade
+ * @param string|null $name
+ */
+ public function __construct(array $localColumnNames, $foreignTableName, array $foreignColumnNames, $name=null, array $options=array())
+ {
+ $this->_setName($name);
+ $this->_localColumnNames = $localColumnNames;
+ $this->_foreignTableName = $foreignTableName;
+ $this->_foreignColumnNames = $foreignColumnNames;
+ $this->_options = $options;
+ }
+
+ /**
+ * @return string
+ */
+ public function getLocalTableName()
+ {
+ return $this->_localTable->getName();
+ }
+
+ /**
+ * @param Table $table
+ */
+ public function setLocalTable(Table $table)
+ {
+ $this->_localTable = $table;
+ }
+
+ /**
+ * @return array
+ */
+ public function getLocalColumns()
+ {
+ return $this->_localColumnNames;
+ }
+
+ public function getColumns()
+ {
+ return $this->_localColumnNames;
+ }
+
+ /**
+ * @return string
+ */
+ public function getForeignTableName()
+ {
+ return $this->_foreignTableName;
+ }
+
+ /**
+ * Get the quoted representation of this asset but only if it was defined with one. Otherwise
+ * return the plain unquoted value as inserted.
+ *
+ * @param AbstractPlatform $platform
+ * @return string
+ */
+ public function getQuotedForeignTableName(AbstractPlatform $platform)
+ {
+ $keywords = $platform->getReservedKeywordsList();
+ $parts = explode(".", $this->getForeignTableName());
+ foreach ($parts AS $k => $v) {
+ $parts[$k] = ($this->_quoted || $keywords->isKeyword($v)) ? $platform->quoteIdentifier($v) : $v;
+ }
+
+ return implode(".", $parts);
+ }
+
+ /**
+ * @return array
+ */
+ public function getForeignColumns()
+ {
+ return $this->_foreignColumnNames;
+ }
+
+ public function hasOption($name)
+ {
+ return isset($this->_options[$name]);
+ }
+
+ public function getOption($name)
+ {
+ return $this->_options[$name];
+ }
+
+ /**
+ * Gets the options associated with this constraint
+ *
+ * @return array
+ */
+ public function getOptions()
+ {
+ return $this->_options;
+ }
+
+ /**
+ * Foreign Key onUpdate status
+ *
+ * @return string|null
+ */
+ public function onUpdate()
+ {
+ return $this->_onEvent('onUpdate');
+ }
+
+ /**
+ * Foreign Key onDelete status
+ *
+ * @return string|null
+ */
+ public function onDelete()
+ {
+ return $this->_onEvent('onDelete');
+ }
+
+ /**
+ * @param string $event
+ * @return string|null
+ */
+ private function _onEvent($event)
+ {
+ if (isset($this->_options[$event])) {
+ $onEvent = strtoupper($this->_options[$event]);
+ if (!in_array($onEvent, array('NO ACTION', 'RESTRICT'))) {
+ return $onEvent;
+ }
+ }
+ return false;
+ }
+}