发布于 2014-07-19 23:46:51 | 195 次阅读 | 评论: 0 | 来源: 网友投递

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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，

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DataNucleus AccessPlatform 4.0.1 发布，现已提供下载。

新特性：

• [NUCCORE-1233] -Support JDOQL compilation of "IF (expr) expr ELSE IF (expr) expr ELSE expr"

• [NUCCASSANDRA-56] -Adding support for uuid datastoreType of Cassandra

• [NUCHBASE-96] -Support cascade-persist/cascade-update on 1-1/1-N fields

• [NUCEXCEL-78] -Support cascade-persist/cascade-update on 1-1/1-N fields

• [NUCODF-59] - Support cascade-persist/cascade-update on 1-1/1-N fields

• [NUCJSON-53] -Support cascade-persist/cascade-update on 1-1/1-N fields

• [NUCMONGODB-148] -Support cascade-persist/cascade-update on 1-1/1-N fields

• [NUCRDBMS-807] -Support mapping java.util.UUID to PostgreSQL native "uuid" column type

• [NUCRDBMS-810] -Support for TIME and DATE JDBC data types for MS SQL Server 2008 and newer

• [NUCNEOFORJ-51] -Support cascade-persist/cascade-update on 1-1/1-N fields

• [NUCODF-59] -         Support cascade-persist/cascade-update on 1-1/1-N fields

• [NUCJAVAEIGHT-14] - Provide Java8 variants of Collection/Map wrappers so that any new methods can be supported.

改进

• [NUCCORE-1237] -CompleteClassTable should check for columns with same name in the table and throw an exception

任务

• [NUCCORE-1230] -Upgrade ASM to 5.0.3

• [NUCCORE-1231] -Add basic support for temporal literals as Strings

• [NUCCORE-1236] -Support update of L2 cache when refresh() is called

• [NUCRDBMS-805] -Add simple handling of temporal literal as String

• [NUCRDBMS-806] -Mappings for Oracle should be merged into org.datanucleus.store.rdbms.mapping.[java|datastore]

Bug 修复

• [NUCCORE-1235] -RDBMSStoreManager.addSchemaCallback does not populate the schemaCallbacks correctly

• [NUCCORE-1239] -1-1 Birdirecional relation management fails when using optimistic tx

• [NUCAPIJDO-78] -Creation of implementation of persistent abstract class / interface creates metadata with full name (including package)

• [NUCJPA-274] -NamedStoredProcedureQueries doesn't set procedure name on processed stored procs metadata

• [NUCCASSANDRA-55] -Could not serialize byte[] @Serialized member on Cassandra store

• [NUCEXCEL-79] -SchemaTool doesn't make full use of generalised Table; should create CompleteClassTable when not present

• [NUCMONGODB-149] -SchemaTool doesn't make full use of generalised Table; should create CompleteClassTable when not present

• [NUCRDBMS-808] -Datanucleus can't find sequence in PostrgreSQL when persistence property 'datanucleus.identifier.case' is set

• [NUCRDBMS-809] -Inconsistent behavior in enum value conversion to/from numeric value in RDBMS using 'enum-value-getter' extension

• [NUCRDBMS-811] -Enum extension "enum-check-constraint" is incorrectly handled if also using extension "enum-value-getter"

• [NUCRDBMS-812] -When executing StoredProcedure with multiple result sets, the close of the first results will close the statement!

• [NUCRDBMS-813] -1-N FK bidir relationship management failing when using optimistic tx

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.

 

历史版本 :
DataNucleus v4.2.2 发布，Java 持久层框架
DataNucleus v4.2.1 发布，Java 持久层框架
DataNucleus 4.2 M3/4.1.4 发布，持久层框架
DataNucleus 4.0.7 发布，持久层框架
DataNucleus 4.2 M1 发布，持久层框架
DataNucleus AccessPlatform 4.1.1 发布
DataNucleus 4.1.0 发布，持久层框架
DataNucleus 4.1 M4 发布，持久层框架
DataNucleus 4.1.0.M3 发布，持久层框架
DataNucleus 4.1 M2 发布，持久层框架
DataNucleus 4.0.6 发布，持久层框架
DataNucleus 4.0.5 发布，持久层框架