How to use

indexOf

method

in

org.apache.metamodel.query.FromClause

/**
 * Creates a clone of the {@link SelectItem} for use within a cloned {@link Query}.
 * 
 * @param clonedQuery a new {@link Query} object that represents the clone-to-be of a query. It is expected that
 *            {@link FromItem}s have already been cloned in this {@link Query}.
 * @return
 */
protected SelectItem clone(Query clonedQuery) {
  final SelectItem subQuerySelectItem = (_subQuerySelectItem == null ? null : _subQuerySelectItem.clone());
  final FromItem fromItem;
  if (_fromItem == null) {
    fromItem = null;
  } else if (clonedQuery != null && _query != null) {
    final int indexOfFromItem = _query.getFromClause().indexOf(_fromItem);
    if (indexOfFromItem != -1) {
      fromItem = clonedQuery.getFromClause().getItem(indexOfFromItem);
    } else {
      fromItem = _fromItem.clone();
    }
  } else {
    fromItem = _fromItem.clone();
  }
  final SelectItem s = new SelectItem(_column, fromItem, _function, _functionParameters, _expression,
      subQuerySelectItem, _alias, _functionApproximationAllowed);
  return s;
}

/**
 * Creates a clone of the {@link SelectItem} for use within a cloned {@link Query}.
 * 
 * @param clonedQuery a new {@link Query} object that represents the clone-to-be of a query. It is expected that
 *            {@link FromItem}s have already been cloned in this {@link Query}.
 * @return
 */
protected SelectItem clone(Query clonedQuery) {
  final SelectItem subQuerySelectItem = (_subQuerySelectItem == null ? null : _subQuerySelectItem.clone());
  final FromItem fromItem;
  if (_fromItem == null) {
    fromItem = null;
  } else if (clonedQuery != null && _query != null) {
    final int indexOfFromItem = _query.getFromClause().indexOf(_fromItem);
    if (indexOfFromItem != -1) {
      fromItem = clonedQuery.getFromClause().getItem(indexOfFromItem);
    } else {
      fromItem = _fromItem.clone();
    }
  } else {
    fromItem = _fromItem.clone();
  }
  final SelectItem s = new SelectItem(_column, fromItem, _function, _functionParameters, _expression,
      subQuerySelectItem, _alias, _functionApproximationAllowed);
  return s;
}