Datastax java driver 3.0.0未找到枚舉注釋

Question

希望我正在閱讀文檔： http ： //docs.datastax.com/en/developer/java-driver/3.0/java-driver/reference/crudOperations.html 。

枚舉注釋

如果您的類包含枚舉類型字段，則使用枚舉注釋。

我有一個Java枚舉，我想使用@Enumerated注釋，但我似乎無法在3.0.0版本的驅動程序中找到它，它出現在2.1.9中。

$ find . -type f -name \*.jar|while read i; do echo ====== $i =====; jar -tf $i|grep Enumerated; done
====== ./cassandra-driver-core/2.1.4/cassandra-driver-core-2.1.4-javadoc.jar =====
====== ./cassandra-driver-core/2.1.4/cassandra-driver-core-2.1.4-sources.jar =====
====== ./cassandra-driver-core/2.1.4/cassandra-driver-core-2.1.4.jar =====
====== ./cassandra-driver-core/2.1.5/cassandra-driver-core-2.1.5.jar =====
====== ./cassandra-driver-core/2.1.7.1/cassandra-driver-core-2.1.7.1.jar =====
====== ./cassandra-driver-core/2.1.9/cassandra-driver-core-2.1.9.jar =====
====== ./cassandra-driver-core/3.0.0/cassandra-driver-core-3.0.0-sources.jar =====
====== ./cassandra-driver-core/3.0.0/cassandra-driver-core-3.0.0.jar =====
====== ./cassandra-driver-dse/2.1.5/cassandra-driver-dse-2.1.5.jar =====
====== ./cassandra-driver-extras/3.0.0/cassandra-driver-extras-3.0.0.jar =====
====== ./cassandra-driver-mapping/2.1.4/cassandra-driver-mapping-2.1.4-javadoc.jar =====
com/datastax/driver/mapping/annotations/class-use/Enumerated.html
com/datastax/driver/mapping/annotations/Enumerated.html
====== ./cassandra-driver-mapping/2.1.4/cassandra-driver-mapping-2.1.4-sources.jar =====
com/datastax/driver/mapping/annotations/Enumerated.java
====== ./cassandra-driver-mapping/2.1.4/cassandra-driver-mapping-2.1.4.jar =====
com/datastax/driver/mapping/annotations/Enumerated.class
====== ./cassandra-driver-mapping/2.1.7.1/cassandra-driver-mapping-2.1.7.1.jar =====
com/datastax/driver/mapping/annotations/Enumerated.class
====== ./cassandra-driver-mapping/2.1.9/cassandra-driver-mapping-2.1.9.jar =====
com/datastax/driver/mapping/annotations/Enumerated.class
====== ./cassandra-driver-mapping/3.0.0/cassandra-driver-mapping-3.0.0-sources.jar =====
====== ./cassandra-driver-mapping/3.0.0/cassandra-driver-mapping-3.0.0.jar =====

這個版本在新版本中發生了變化嗎？ 如果是，那么文檔也應該更新。

它確實似乎已從消息來源消失： https ： //github.com/datastax/java-driver/tree/3.0/driver-mapping/src/main/java/com/datastax/driver/mapping/annotations

Answer 1

看起來對@Enumerated的支持已被刪除。 現在，enums支持由驅動程序附加內容中的編解碼器提供。 查看這兩張附加信息的門票： JAVA-605和JAVA-846 。

您的枚舉代碼的外觀示例如下：

[使用] EnumOrdinalCodec和EnumNameCodec ：

  java enum Foo {...} enum Bar {...} // register the appropriate codecs CodecRegistry.DEFAULT_INSTANCE .register(new EnumOrdinalCodec<Foo>(Foo.class)) .register(new EnumNameCodec<Bar>(Bar.class)) // the following mappings are handled out-of-the-box @Table public class MyPojo { private Foo foo; private List<Bar> bars; ... } 

我們正在修復文檔。