/** * Declares an association between this object and a ChildGroup object. * * @param ChildGroup $v * @return $this|\gossi\trixionary\model\SkillGroup The current object (for fluent API support) * @throws PropelException */ public function setGroup(ChildGroup $v = null) { // aggregate_column_relation behavior if (null !== $this->aGroup && $v !== $this->aGroup) { $this->oldGroupSkillCount = $this->aGroup; } if ($v === null) { $this->setGroupId(NULL); } else { $this->setGroupId($v->getId()); } $this->aGroup = $v; // Add binding for other direction of this n:n relationship. // If this object has already been added to the ChildGroup object, it will not be re-added. if ($v !== null) { $v->addSkillGroup($this); } return $this; }