How to use

isOwningSide

method

in

org.grails.datastore.mapping.model.types.Association

  @Override
  public boolean isOwningSide() {
    return super.isOwningSide() || isForeignKeyInChild();
  }
}

protected boolean canBindOneToOneWithSingleColumnAndForeignKey(Association currentGrailsProp) {
  if (currentGrailsProp.isBidirectional()) {
    final Association otherSide = currentGrailsProp.getInverseSide();
    if(otherSide != null) {
      if (isHasOne(otherSide)) {
        return false;
      }
      if (!currentGrailsProp.isOwningSide() && (otherSide.isOwningSide())) {
        return true;
      }
    }
  }
  return false;
}

  this.cascadeOperations = Collections.unmodifiableSet(new HashSet<>(cascades));
else if (isOwningSide()) {
  cascadeOperations = DEFAULT_OWNER_CASCADE;

if (referenced != null && association.isOwningSide()) {
  cascadeStrategy = CASCADE_ALL;
if (referenced != null && association.isOwningSide()) {
  cascadeStrategy = CASCADE_ALL;

  column.setNullable(false);
else if (property instanceof org.grails.datastore.mapping.model.types.OneToOne && association.isBidirectional() && !association.isOwningSide()) {
  if (isHasOne(((Association) property).getInverseSide())) {
    column.setNullable(false);