protected Collection loadData() throws PersistenceBrokerException
    {
        Collection result = super.loadData();

        if (result instanceof List)
        {
            return result;
        }
        else
        {
            throw new PersistenceBrokerException("loaded data does not implement java.util.List");
        }

    }
protected Collection loadData ( ) throws PersistenceBrokerException { Collection result = super . loadData ( ) ; if ( result instanceof List ) { return result ; } else { throw new PersistenceBrokerException ( "loaded data does not implement java.util.List" ) ; } }
@see org.apache.ojb.broker.core.proxy.CollectionProxyDefaultImpl#loadData()