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在舊版本的SDN我們就以下界面庫春數據Neo4j的4:RelationshipOperationsRepository
org.springframework.data.neo4j.repository.RelationshipOperationsRepository;
public interface UserRelationRepository extends GraphRepository<UserEntity>, RelationshipOperationsRepository<UserEntity> {
MakeFriend rel = userRepository.getRelationshipBetween(startUser, endUser, MakeFriend.class, RelTypes.FRIEND.name());
if (rel != null) {
startUser.getFirstname() + " + " + endUser.getFirstname());
}
userRepository.createRelationshipBetween(startUser, endUser, MakeFriend.class, RelTypes.FRIEND.name());
userRepository.createRelationshipBetween(endUser, startUser, MakeFriend.class, RelTypes.FRIEND.name());
但是,目前的版本不支持它。在SDN中實現諸如createRelationshipBetween或getRelationshipBetween之類的功能的最佳方式是哪種?