avro
- 网络AVRO公司;阿芙罗
![avro](../cache/741702.jpg)
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Dynamic typing : Avro does not require that code be generated .
动态类型:Avro无需生成代码。
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In this article I will try to describe my experimenting with Avro , specifically
在这篇文章中我将试着描述我使用Avro的经验,特别是
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In the current Avro implementation , a Schema class takes a single file ( or string ) to build the internal schema representation .
在当前Avro实现中,模式类需要一个文件(或字符串)来表示内部模式。
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How to componentize Avro schemas and build overall schema out of components , maintained separately in multiple files
如何建立组件化Avro模式,使用组件搭建整体模式,分别保存在多个文件中
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Backward compatibility in Avro documents .
Avro文档的向后兼容性。
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Although technically Avro does not support inheritance [ 7 ] , it is simple enough to implement an inheritance-like structure .
虽然技术上Avro不支持继承[7],但要是实现一个类继承的结构非常简单。
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As described in the Avro specification [ 5 ] an Avro document schema is defined as a JSON file .
如Avro规范所述[5]Avro文档模式定义成JSON文件。
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JAR-145 approval for maintenance of Avro was received in2001 and of Saab in2002 .
在2001年和2002年分别获得了对Avro和Saab的JAR-145维修批准。
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Implementing inheritance in Avro
在Avro中实现继承
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In this test , the fully qualified name of the first schema is com . navteq . avro . FacebookUser , so the substitution works correctly and the execution prints out the following result
在这个测试中,第一个模式的完全限定名是com.navteq.avro.FacebookUser,替换正常运行并打印出以下结果