/**
* Adds a relationship to the relationship collection
*
* @param Relationship $relationship
* @return bool
* @throws SchemaDefinitionException
*/
public function addRelationship(Relationship $relationship)
{
foreach ($this->relationships as $rel) {
if ($rel->getType() === $relationship->getType() && $rel->getStartNode() === $relationship->getStartNode() && $rel->getEndNode() === $relationship->getEndNode()) {
throw new SchemaDefinitionException(sprintf('There is already a relationship declared with TYPE "%s" and STARTNODE "%s" and ENDNODE "%s"', $relationship->getType(), $relationship->getStartNode(), $relationship->getEndNode()));
}
}
return $this->relationships->add($relationship);
}
function it_should_throw_error_when_creating_duplicated_relationships(Relationship $relationship)
{
$relationship->getType()->willReturn('RELATES');
$relationship->getStartNode()->willReturn('person');
$relationship->getEndNode()->willReturn('company');
$this->addRelationship($relationship);
$this->shouldThrow('Neoxygen\\Neogen\\Exception\\SchemaDefinitionException')->duringAddRelationship($relationship);
}
/**
* @param RelationshipDefinition $relationship
* @param null|int $seed
*/
public function process1ToNRelationship(RelationshipDefinition $relationship, $seed)
{
$startNodes = $this->nodesByIdentifier[$relationship->getStartNode()];
$endNodes = $this->nodesByIdentifier[$relationship->getEndNode()];
$target = $this->calculateApproxTargetNodes($startNodes->count(), $endNodes->count());
$maxIteration = 1 === $target ? $startNodes->count() : $startNodes->count() - 1;
if ($endNodes->count() > $startNodes->count()) {
if ($endNodes->count() % $startNodes->count() === 0) {
$maxIteration = $startNodes->count();
}
}
$ec = $endNodes->count();
$eci = 0;
$ssi = 0;
for ($s = 0; $s < $maxIteration; $s++) {
for ($i = 0; $i < $target; $i++) {
$startNode = $startNodes->get($s);
$endNode = $endNodes->get($eci);
$this->createRelationship($relationship->getType(), $startNode->getId(), $startNode->getLabel(), $endNode->getId(), $endNode->getLabel(), $relationship->getProperties(), $seed);
$eci++;
}
$ssi++;
}
if ($ssi < $startNodes->count()) {
$lastStartNode = $startNodes->get($ssi);
for ($eci; $eci < $ec; $eci++) {
$endNode = $endNodes->get($eci);
$this->createRelationship($relationship->getType(), $lastStartNode->getId(), $lastStartNode->getLabel(), $endNode->getId(), $endNode->getLabel(), $relationship->getProperties(), $seed);
}
}
}
