/**
* Set the parent and return self.
*
* @param FilterBuilderWithChildren $parent The new parent.
*
* @return FilterBuilderWithChildren
*/
public function setParent(FilterBuilderWithChildren $parent)
{
if ($this->parent && $this->parent !== $parent) {
$this->parent->remove($this);
}
$this->parent = $parent;
$this->parent->add($this);
return $this;
}
/**
* Create a new instance.
*
* @param array $children The initial children to absorb.
*
* @throws DcGeneralInvalidArgumentException When invalid children have been passed.
*/
public function __construct($children = array())
{
parent::__construct($children);
$this->operation = 'AND';
}
