public int hashCode(){
  int result=17;
  if (tableName != null) {
    result=37 * tableName.hashCode();
  }
  if (repositoryName != null) {
    result=37 * repositoryName.hashCode();
  }
  return result;
}

public int hashCode ( ) { int result = 17 ; if ( tableName != null ) { result = 37 * tableName . hashCode ( ) ; } if ( repositoryName != null ) { result = 37 * repositoryName . hashCode ( ) ; } return result ; }
provide a hash code that is consistent with equals for this class
