/** * Add the roleplayers of a {@link Relationship} to the relationship var * @param var var representing the relationship * @param relationship {@link Relationship} that contains roleplayer data * @return var pattern with roleplayers */ private static VarPattern roleplayers(VarPattern var, Relationship relationship){ for(Map.Entry<Role, Set<Thing>> entry: relationship.rolePlayersMap().entrySet()){ Role role = entry.getKey(); for (Thing thing : entry.getValue()) { var = var.rel(Graql.label(role.label()), thing.id().getValue()); } } return var; }
public Pattern pattern(Relationship concept) { VarPattern relationPattern = Graql.var(); Set<Pattern> idPatterns = new HashSet<>(); for (Map.Entry<Role, Set<Thing>> entry : concept.rolePlayersMap().entrySet()) { for (Thing var : entry.getValue()) { Var rolePlayer = Graql.var(); relationPattern = relationPattern.rel(Graql.label(entry.getKey().label()), rolePlayer); idPatterns.add(rolePlayer.asUserDefined().id(var.id())); } } relationPattern = relationPattern.isa(Graql.label(concept.type().label())); Pattern pattern = relationPattern; for (Pattern idPattern : idPatterns) { pattern = pattern.and(idPattern); } return pattern; } }
for (Map.Entry<Role, Set<Thing>> rolePlayers : concept.asRelationship().rolePlayersMap().entrySet()) { Role role = rolePlayers.getKey(); Set<Thing> things = rolePlayers.getValue();