public boolean equalsIgnoreCase(Reference otherRef){
  return (otherRef != null) && _localColumnName.equalsIgnoreCase(otherRef._localColumnName) && _foreignColumnName.equalsIgnoreCase(otherRef._foreignColumnName);
}

public boolean equalsIgnoreCase ( Reference otherRef ) { return ( otherRef != null ) && _localColumnName . equalsIgnoreCase ( otherRef . _localColumnName ) && _foreignColumnName . equalsIgnoreCase ( otherRef . _foreignColumnName ) ; }
compares this reference to the given one while ignoring the case of identifiers .
