Junction Android

Junciton.java

public interface Junction<Parent, Child> {

    read(Parent parent, Callback<List<Child>> callback);

}

JunctionApplication.java

public JunctionApplication extends Application {

  onCreate() {
    Pipeline pipeline = new Pipeline();
    pipeline.pipe(Player.class);
    pipeline.pipe(Team.class);
  }
  
  getPlayers(Callback<List<Player>> callback) {
    pipe.get("player").read(callback);
  }


  getTeams(Callback<List<Team>> callback) {
    pipe.get("team").read(callback);
  }

  getPlayersOnTeam(Team team, Callback<List<Player>> callback) {
    pipe.junction("team","player").read(team, callback);
  }
  
  getTeamsPlayerHasPlayerFor(Player player, Callback<List<Team>> callback) {
    pipe.junction("player","team").read(player, callback);
  }
  
}

Types.java

class Player {
   
  @RecordId
  Long id;
  
  String name;
  
  List<Team> teamsPlayedFor;

  Team currentTeam;

}

class Team {
  
  @RecordId
  Long id;
  
  String name;
  
  List<Player> currentPlayers;
  
}