_isEmpty = $flag; return $this; } /** * Get is empty indicator * @codeCoverageIgnore * * @return bool * @SuppressWarnings(PHPMD.BooleanGetMethodName) */ public function getIsEmpty() { return $this->_isEmpty; } /** * @return void */ public function hasIsEmpty() { } /** * Get children * @codeCoverageIgnore * * @return array */ public function getChildren() { return $this->_children; } /** * Set children * @codeCoverageIgnore * * @param array $children * @return $this */ public function setChildren($children) { $this->_children = $children; return $this; } /** * Indicator of whether or not children are present * * @return bool */ public function hasChildren() { return count($this->_children) > 0 ? true : false; } /** * Add child to array of items * * @param array $child * @return $this */ public function addChild($child) { $this->_children[] = $child; return $this; } }