I tried the following,
我试着以下,
/*
* addRelationship
*
* Adds a relationship between two entities using the given relation type.
*
* @param fromKey the original entity
* @param toKey the referring entity
* @param relationTypeDesc the type of relationship
*/
function addRelationship($fromKey, $toKey, $relationTypeDesc) {
$relationTypeKey = $this->getRelationTypeKey($relationTypeDesc);
/*
* addRela