private Object getProposed(final ValidityContext<? extends ValidityEvent> validityContext) {
if (!(validityContext instanceof ProposedHolder)) {
return null;
}
final ProposedHolder propertyModifyContext = (ProposedHolder) validityContext;
final ObjectAdapter proposedNO = propertyModifyContext.getProposed();
if (proposedNO == null) {
return null;
}
return proposedNO.getObject();
}