/**
* find path between to nodes
*
* @todo Add handling for relationships
* @todo Add algorithm parameter
*
* @example curl -H Accept:application/json -H Content-Type:application/json -d '{ "to": "http://localhost:9999/node/3" }' -X POST http://localhost:9999/node/1/pathfinder
*
* @throws \Neo4j\Exception\HttpException
* @throws \Neo4j\Exception\NotFoundException
*
* @param Node $toNode
* @param int|null $maxDepth
* @param Relationships|null $relationships
* @param string|null $singlePath
*
* @return array
*/
public function findPaths(Node $toNode, $maxDepth = null, Relationships $relationships = null, $singlePath = null)
{
$this->_pathFinderData['to'] = $this->_db->getBaseUri() . 'node' . '/' . $toNode->getId();
if ($maxDepth) {
$this->_pathFinderData['max depth'] = $maxDepth;
}
if ($singlePath) {
$this->_pathFinderData['single path'] = $singlePath;
}
if ($relationships) {
$this->_pathFinderData['relationships'] = $relationships->get();
}
list($response, $http_code) = Request::post($this->getUri() . '/pathfinder', $this->_pathFinderData);
if ($http_code == 404) {
throw new \Neo4j\Exception\NotFoundException();
}
if ($http_code != 200) {
throw new \Neo4j\Exception\HttpException("http code: " . $http_code . ", response: " . print_r($response, true));
}
$paths = array();
foreach ($response as $result) {
$paths[] = Path::inflateFromResponse($this->_db, $result);
}
if (empty($paths)) {
throw new \Neo4j\Exception\NotFoundException();
}
return $paths;
}
