private StatementResult makeFriends ( final Transaction tx , final String person1 , final String person2 ) { return tx . run ( "MATCH (a:Person {name: $person_1}) " + "MATCH (b:Person {name: $person_2}) " + "MERGE (a)-[:KNOWS]->(b)" , parameters ( "person_1" , person1 , "person_2" , person2 ) ) ; }
Create a friendship between two people .