private void addNewModelForAssociatedModel(Collection<DataSupport> associatedModelCollection,DataSupport baseObj){
  if (!associatedModelCollection.contains(baseObj)) {
    associatedModelCollection.add(baseObj);
  }
}

private void addNewModelForAssociatedModel ( Collection < DataSupport > associatedModelCollection , DataSupport baseObj ) { if ( ! associatedModelCollection . contains ( baseObj ) ) { associatedModelCollection . add ( baseObj ) ; } }
force to build bidirectional associations for the associated model . if it has already built , ignoring the rest process .
