How to use

builder

method

in

it.unibz.inf.ontop.dbschema.UniqueConstraint

private static void extractPrimaryKey(DatabaseRelationDefinition relation, QuotedIDFactory idfac, RelationID id, ResultSet rs) throws SQLException {
  Map<Integer, String> primaryKeyAttributes = new HashMap<>();
  String currentName = null;
  while (rs.next()) {
    // TABLE_CAT is ignored for now; assume here that relation has a fully specified name
    RelationID id2 = RelationID.createRelationIdFromDatabaseRecord(idfac,
              rs.getString("TABLE_SCHEM"), rs.getString("TABLE_NAME"));
    if (id2.equals(id)) {
      currentName = rs.getString("PK_NAME"); // may be null
      String attr = rs.getString("COLUMN_NAME");
      int seq = rs.getShort("KEY_SEQ");
      primaryKeyAttributes.put(seq, attr);
    }
  }
  if (!primaryKeyAttributes.isEmpty()) {
    // use the KEY_SEQ values to restore the correct order of attributes in the PK
    UniqueConstraint.Builder builder = UniqueConstraint.builder(relation);
    for (int i = 1; i <= primaryKeyAttributes.size(); i++) {
      QuotedID attrId = QuotedID.createIdFromDatabaseRecord(idfac, primaryKeyAttributes.get(i));
      builder.add(relation.getAttribute(attrId));
    }
    relation.addUniqueConstraint(builder.build(currentName, true));
  }
}

UniqueConstraint.Builder builder = UniqueConstraint.builder(relation);
for (int i = 1; i <= primaryKeyAttributes.size(); i++) {
  QuotedID attrId = QuotedID.createIdFromDatabaseRecord(idfac, primaryKeyAttributes.get(i));

builder = UniqueConstraint.builder(relation);
currentName = rs.getString("INDEX_NAME");

builder = UniqueConstraint.builder(relation);
currentName = rs.getString("INDEX_NAME"); 

  continue;
UniqueConstraint.Builder builder = UniqueConstraint.builder(td);
String[] attrs = uc[1].split(",");
for (String attr : attrs) {

  continue;
UniqueConstraint.Builder builder = UniqueConstraint.builder(td);
String[] attrs = uc[1].split(",");
for (String attr : attrs) {