你可以使用自定义“的别名,以图”变压器,因此您的代码将变为像这样
Query q = mySession.createQuery(
"SELECT u.id AS id, u.name AS text, u AS obj FROM User u")
.setResultTransformer(
AliasToMapTransformer.renameAlias("obj", "object").build()
);
,然后使用这个类的一个解决方法实现它:
public class AliasToMapTransformer extends BasicTransformerAdapter {
private Map<String, String> renameAliasMap;
public AliasToMapTransformer(Map<String, String> renameAliasMap) {
this.renameAliasMap = (renameAliasMap == null) ? Collections.<String, String>emptyMap() : renameAliasMap;
}
@Override
public Object transformTuple(Object[] tuple, String[] aliases) {
Map<String, Object> result = new HashMap<String, Object>(tuple.length);
for (int i = 0; i < tuple.length; i++) {
String alias = aliases[i];
if (alias != null) {
String newAlias = renameAliasMap.get(alias);
result.put((newAlias != null) ? newAlias : alias, tuple[i]);
}
}
return result;
}
public static Builder renameAlias(String alias, String newAlias) {
return new Builder().renameAlias(alias, newAlias);
}
public static class Builder {
private Map<String, String> aliasConversionMap = new HashMap<String, String>();
public Builder renameAlias(String alias, String newAlias) {
aliasConversionMap.put(alias, newAlias);
return this;
}
public AliasToMapTransformer build() {
return new AliasToMapTransformer(aliasConversionMap);
}
}
}
感谢这是迄今为止最好的解决方案。 – vbence 2011-04-22 18:01:39
这只适用于以非常特定的方式选择名称。如果你想解决写在“where”子句或其他地方的关键字怎么办? – 2012-11-19 22:29:59