/**
* Prepare and return error message
*
* @param string $code Error code (or message)
* @param \Includes\DataStructure\Graph $node Node Node caused the error OPTIONAL
*
* @return string
*/
protected function prepareErrorMessage($code, \Includes\DataStructure\Graph $node = null)
{
return $code . ' (' . $this->getKey() . ($node ? ', ' . $node->getKey() : '') . ')';
}
/**
* Remove child node
*
* @param \Includes\DataStructure\Graph $node Node to remove
*
* @return void
*/
public function removeChild(\Includes\DataStructure\Graph $node)
{
foreach ($this->getChildren() as $index => $child) {
if ($node->getKey() === $child->getKey()) {
$node->setParent(null);
}
}
parent::removeChild($node);
}
/**
* Prepare and return error message
*
* @param string $code Error code (or message)
* @param self $node Node Node caused the error OPTIONAL
*
* @return string
*/
protected function prepareErrorMessage($code, self $node = null)
{
return $code . ' (' . $this->getKey() . ($node ? ', ' . $node->getKey() : '') . ')';
}