发布于 2015-03-01 00:22:21 | 158 次阅读 | 评论: 0 | 来源: 网友投递
DataNucleus Java数据持久化框架
Data Nucleus Access Platform是一个兼容各种标准的Java数据持久化框架,完全兼容JDO1,JDO2,JDO2.1,JDO2.2,JDO2.3,和JPA1等Java标准。尤其要特别说明的是Data Nucleus Access Platform提供一个基于REST的API,通过它可以访问所有常见的数据库服务器,
DataNucleus 4.0.6 发布,此版本更新内容如下:
Support for implicit RDBMS CASE 'when' clauses.
Fix to "max" value generator
Fixes for Excel/ODF
详细改进:
任务:
[NUCCORE-1273] - Support for NUCRDBMS-848 for DN 4.0
[NUCCORE-1274] - Support CASE / IF/ELSE "when" conditions that are not completely defined (i.e depend on previous when conditions)
[NUCRDBMS-854] - Support NUCCORE-1274
BUG 修复:
[NUCRDBMS-848] - "max" value generator provides wrong id if 2 objects are persisted in one transaction
[NUCRDBMS-856] -ViewImpl seems to have regression in validate() method
[NUCEXCEL-81] -Numeric object wrapper fields can fail on retrieval due to falling back to TypeConverter
[NUCEXCEL-82] -StoreEmbeddedFieldManager has incorrect logic in detection of embedded sub field
[NUCEXCEL-84] -Persist of object with composite PK results in blank row in worksheet before the next inserted object
[NUCODF-61] - StoreEmbeddedFieldManager has incorrect logic in detection of embedded sub field
更多内容请看:http://goo.gl/IAlChu
DataNucleus Access Platform 是一个兼容各种标准的 Java 数据持久化框架,兼容 JDO1, JDO2, JDO2.1, JDO2.2, JDO2.3, JPA1, JPA2 等 Java 标准。提供一个基于 REST 的API。通过它可以访问所有常见的数据库服务器,还包括 LDAP, NeoDatis, JSON, Excel/ODF spreadsheets, XML, BigTable, 和 HADOOP 数据库等.