/**
* 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;
}
