How to use

ImplicitUniqueKeyNameSource

in

org.hibernate.boot.model.naming

@Override
public Identifier determineUniqueKeyName(ImplicitUniqueKeyNameSource source) {
  Identifier userProvidedIdentifier = source.getUserProvidedIdentifier();
  return userProvidedIdentifier != null ? userProvidedIdentifier : toIdentifier(
      NamingHelper.withCharset( source.getBuildingContext().getBuildingOptions().getSchemaCharset() ).generateHashedConstraintName(
          "UK",
          source.getTableName(),
          source.getColumnNames()
      ),
      source.getBuildingContext()
  );
}

/**
 * Generates a name for a unique constraint.
 */
@Override
public Identifier determineUniqueKeyName(ImplicitUniqueKeyNameSource source) {
  String result = generateHashedConstraintName(UNIQUE_CONSTRAINT_PREFIX,
      source.getTableName(), source.getColumnNames());
  return toIdentifier(result, source.getBuildingContext());
}

@Override
public Identifier determineUniqueKeyName(ImplicitUniqueKeyNameSource source) {
  Identifier i = super.determineUniqueKeyName(source);
  LOGGER.trace("determineUniqueKeyName {} {} -> {}", source.getTableName(), source.getColumnNames(), i);
  return i;
}

  @Override
  public Identifier determineUniqueKeyName(final ImplicitUniqueKeyNameSource source) {
    return toIdentifier(Constraint.generateName("UK_", new Table(source.getTableName().getText()), toColumns(source.getColumnNames())),
        source.getBuildingContext());
  }
}

/**
 * Generates a name for a unique constraint.
 */
@Override
public Identifier determineUniqueKeyName(ImplicitUniqueKeyNameSource source) {
  List<Identifier> columnNames = source.getColumnNames();
  // constraints are supported for one column only
  if (InternalUtils.CollectionUtils.size(columnNames) != 1) {
    return super.determineUniqueKeyName(source);
  }
  String result = strategy.uniqueKeyConstraintName(source.getTableName().getText(),
      columnNames.get(0).getText());
  return toIdentifier(result, source);
}

@Override
public Identifier determineUniqueKeyName(ImplicitUniqueKeyNameSource source) {
  Identifier userProvidedIdentifier = source.getUserProvidedIdentifier();
  return userProvidedIdentifier != null ? userProvidedIdentifier : toIdentifier(
      NamingHelper.withCharset( source.getBuildingContext().getBuildingOptions().getSchemaCharset() ).generateHashedConstraintName(
          "UK",
          source.getTableName(),
          source.getColumnNames()
      ),
      source.getBuildingContext()
  );
}