protected Class<T> _entityBeanType;
...
protected Enhancer _enhancer;
protected Factory _factory;
...
protected final static CallbackFilter s_callbackFilter = new UpdateFilter();
...
Callback[] callbacks = new Callback[] { NoOp.INSTANCE, new UpdateBuilder(this) };_enhancer = new Enhancer();
_enhancer.setSuperclass(_entityBeanType);
_enhancer.setCallbackFilter(s_callbackFilter);
_enhancer.setCallbacks(callbacks);
_factory = (Factory)_enhancer.create();

public class UpdateFilter implements CallbackFilter {@Overridepublic int accept(Method method) {String name = method.getName();return (name.startsWith("set") || name.startsWith("incr") || name.startsWith("decr")) ? 1 : 0;}
}

public class UpdateBuilder implements MethodInterceptor {protected Map<String, Ternary<Attribute, Boolean, Object>> _changes;protected HashMap<Attribute, Object> _collectionChanges;protected GenericDaoBase<?, ?> _dao;protected UpdateBuilder(GenericDaoBase<?, ?> dao) {_dao = dao;_changes = new HashMap<String, Ternary<Attribute, Boolean, Object>>();}@Overridepublic Object intercept(Object object, Method method, Object[] args, MethodProxy methodProxy) throws Throwable {String name = method.getName();if (name.startsWith("set")) {String field = methodToField(name, 3);makeChange(field, args[0]);} else if (name.startsWith("incr")) {makeIncrChange(name, args);} else if (name.startsWith("decr")) {makeDecrChange(name, args);}return methodProxy.invokeSuper(object, args);}   ...}

public List<T> searchIncludingRemoved(SearchCriteria<T> sc, final Filter filter, final Boolean lock,final boolean cache, final boolean enable_query_cache) {String clause = sc != null ? sc.getWhereClause() : null;...final StringBuilder str = createPartialSelectSql(sc, clause != null, enable_query_cache);...addJoins(str, joins);...List<Object> groupByValues = addGroupBy(str, sc);addFilter(str, filter);final TransactionLegacy txn = TransactionLegacy.currentTxn();...final String sql = str.toString();PreparedStatement pstmt = null;final List<T> result = new ArrayList<T>();try {pstmt = txn.prepareAutoCloseStatement(sql);...final ResultSet rs = pstmt.executeQuery();while (rs.next()) {result.add(toEntityBean(rs, cache));}return result;...}