Question

我最近将我的hibernate项目从版本3迁移到4.我相信'SerializableBlob'类在Hibernate 4中已被弃用.Hibernate中'SerializableBlob'的等价类是什么4.Im在我的工作区中出错。下面的示例代码段。请建议我解决方案。提前致谢

Query query = session.createSQLQuery(sql.toString().replaceAll("PROCESS_NAME"," wfactivity.PROCESS_NAME"))
                                                        .setFirstResult(firstResult)
                                                        .setMaxResults(maxResult+1);
    List blobList = query.list();
    try {
        for (Object arr : blobList) {
                SerializableBlob blob = null;

            if (arr.getClass().isArray()) {
                blob = (SerializableBlob) Array.get(arr, 0);
            } else {
                blob = (SerializableBlob) arr;
            }

            WfActivity wfActivity = new WfActivity();
            int bytes = (int) blob.length();
            wfActivity.setDataStructure(blob.getBytes(1L, bytes));
            resultList.add(wfActivity);
        }
    } catch (SQLException exp) {
        logger.info("Error occured while converting Blob object to java byte[].........."+exp.getMessage());
    }

Answer 1

在新的Hibernate中，有一个名为org.hibernate.type.SerializableToBlob类型的参数化类型。

看看这个答案： How to express a Serializable Blob type in a hibernate mapping file

从3到4个SerializableBlob类的Hibernate迁移已弃用

1 个答案: