/**
* Add a foreign column for the relation
*
* @param Column $column
*
* @return $this
* @throws Exception\Manager
*/
public function addForeignForeignColumn(Column $column)
{
$alias = $this->normalizeName($column->getName());
if ($this->foreignForeignColumns->offsetExists($alias) === true) {
throw Exception\Relation::foreignForeignColumnAlreadyExists($alias, $this->getName());
}
$this->foreignForeignColumns->offsetSet($alias, $column);
return $this;
}
/**
* @param string $type See (static::TYPE_*)
*
* @return Relation
* @throws Exception\Relation
*/
public function setType($type)
{
if (in_array($type, $this->types) === false) {
throw Exception\Relation::invalidType($type, $this->getName());
}
$this->type = $type;
return $this;
}
