持久层框架 DataNucleus Access Platform 3.0.7

     <p><a href="/misc/goto?guid=4958187675208992889" target="_blank">DataNucleus Access Platform</a> 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。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.</p>    <p>DataNucleus 3.0.7 主要改进内容包括：</p>    <ul>     <li>Fix to use of persistence property "datanucleus.storeManagerType" </li>     <li>JPA : Support for JPA2.1 Type Convertors </li>     <li>JPA : Fix to EM.find to also work for datastore-identity </li>     <li>JPA : Update to detection of 1-N UNI FK relations to avoid the need for JPA 'level' persistence property </li>     <li>JPA : Add numeric conversion capabilities to EM.find key argument. </li>     <li>JDO : Fix to duplicate close of query results when using Extent on non-RDBMS datastores </li>     <li>Fix to load of metadata for persistence unit when persistable inner classes present </li>     <li>Fix to instantiation of object from identity when root class is abstract and using single-field id </li>     <li>RDBMS : Fix to JPQL "INDEX" SQL generation for join table case </li>     <li>JSON, HBase, MongoDB, Excel, ODF, RDBMS : fix to version of core usable to prohibit v3.1 </li>    </ul>    <p>下载地址：<a href="/misc/goto?guid=4958317719811328663">DataNucleus community site</a>.</p>