public function testPatternProcessing1()
{
$p = '(p:Product *1)
(cc:ComponentCategory *20)-[:PART_OF {quantity: {randomNumber: [3]}} *n..1]->(p)
(csc:ComponentSubCategory *20)-[:PART_OF {quantity: {randomNumber: [3]}} *n..1]->(cc)
(c:Component {price: {randomNumber: [2]}} *20)-[:PART_OF {quantity: {randomNumber: [3]}} *n..1]->(csc)';
$gen = new Neogen();
$schema = $gen->generateGraphFromCypher($p);
$converter = new CypherStatementsConverter();
$converter->convert($schema);
$edgesStatements = $converter->getEdgeStatements();
$this->assertCount(7, $edgesStatements);
$this->assertCount(4, $converter->getNodeStatements());
}
private function exportToDB($graph, OutputInterface $output, Client $client)
{
$converter = new CypherStatementsConverter();
$converter->convert($graph);
try {
$constraints = 0;
foreach ($converter->getConstraintStatements() as $statement) {
$client->sendCypherQuery($statement['statement']);
$constraints++;
}
$output->writeln('<info>Created ' . $constraints . ' constraint(s)</info>');
$nodes = 0;
foreach ($converter->getNodeStatements() as $ns) {
$client->sendCypherQuery($ns['statement'], $ns['parameters']);
$nodes += count($ns['parameters']['props']);
}
$output->writeln('<info>Created ' . $nodes . ' node(s)</info>');
$edges = 0;
foreach ($converter->getEdgeStatements() as $es) {
$params = isset($es['parameters']) ? $es['parameters'] : ['pairs' => []];
$client->sendCypherQuery($es['statement'], $params);
$edges += count($params['pairs']);
}
$output->writeln('<info>Created ' . $edges . ' relationship(s)</info>');
} catch (HttpException $e) {
$output->writeln('<error>Unable to connect to the database' . PHP_EOL . $e->getMessage() . PHP_EOL . '</error>');
}
}