Hibernate OGM v5.2.0 發布，NoSQL的持久層框架

OGM 是 Object Grid Mapping的縮寫,意思是對象--數據網格映射,它的目標是試圖使用 JPA 來操作 NoSQL數據庫。通過使用Hibernate OGM, 我們可以把現有的, 基于JPA/Hibernate ORM的項目不加改動的從RMDBS切換到NO-SQL之上。

更新日志

Java 8 baseline

5.2 moves to Java 8 as its baseline. This means:

• The hibernate-java8 module has been removed, and that functionality has been moved intohibernate-core.
• Native support for Java 8 date/time types as Query parameters.
• Support for streaming (java.util.stream.Stream) query results.
• Support for java.util.Optional as return from methods that may return null.
• Leveraging Java 8 "default methods" when introducing new methods to extension points.

Consolidating JPA support into hibernate-core.

That effectively means that the hibernate-entitymanager module no longer exists. Its functionality being consumed into hibernate-core.

JCache support

Support for using any JCache-compliant cache impl as a second-level caching provider.

Session-level batch size support

Support has been added for specifying a batch size for write operations per Session.

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• Source code (zip)
• Source code (tar.gz)