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README
Apache-2.0

项目介绍

      Redkale (中文名: 红菜苔,一种湖北特产蔬菜) 是基于Java 8全新的微服务框架, 包含HTTP、WebSocket、TCP/UDP、数据序列化、数据缓存、依赖注入等功能。 本框架致力于简化集中式和微服务架构的开发,在增强开发敏捷性的同时保持高性能。

RedKale 有如下主要特点:
  1. 大量使用Java 8新特性(接口默认值、Stream、Lambda、JDk8内置的ASM等)
  2. 提供HTTP服务,同时内置JSON功能与限时缓存功能
  3. TCP层完全使用NIO.2,并统一TCP与UDP的接口换
  4. 提供分布式与集中式部署的无缝切换
  5. 提供类似JPA功能,包含数据缓存自动同步、分表分库与简洁的数据层操作接口
  6. 可以动态修改已依赖注入的资源

Redkale 设计理念

      作为一个全新的微服务框架,Redkale在接口定义上使用了Java 8大量的新语法,接口有默认实现、接口带静态方法、重复注解等特性,同时在设计上与主流框架有很大不同。Redkale是按组件形式设计的,而非以容器为主,几乎每个子包都是能提供独立功能的组件。如Tomcat是按容器设计的,所有web资源/配置由Tomcat控制,开发者很能难控制到Tomcat内部,而Redkale的HTTP服务只是个组件,开发者既可以自己启动和配置HttpServer,也可以把Redkale当成容器通过Redkale进程来初始化服务。Spring的Ioc容器也是如此,Redkale提供的依赖注入仅通过ResouceFactory一个类来控制,非常轻量,并且可动态更改已注入的资源。Spring提倡控制反转思想,而自身的容器却让开发者很难控制。Redkale是一个既能以组件形式也能以容器形式存在的框架。从整体上看,Redkale的架构分两层:接口和默认实现。开发者若想替换掉Redkale内置的HTTP服务而使用符合JavaEE规范的HttpServlet, 可以采用自定义协议基于JSR 340(Servlet 3.1)来实现自己的HTTP服务;若想使用Hibernate作为数据库操作,可以写一个自己的DataSource实现类;JSON的序列化和反序列化也可以使用第三方的实现;Memcached或Redis也可以作为另一个CacheSource的实现替换Redkale的默认实现。这其实包含了控制反转的思想,让框架里的各个组件均可让开发者控制。
      与主流框架比,功能上Redkale显得很简单,这体现了Redkale的简易性,而并非是不足,从一个良好的设计习惯或架构上来看,有些常用功能是不需要提供的,如Redkale的HTTP服务不支持HTTPS和JSP,HTTPS比HTTP多了一层加密解密,这种密集型的计算不是Java的专长,通常提供HTTP服务的架构不会将Java动态服务器放在最前端,而是在前方会放nginx或apache,除了负载均衡还能静动分离,因此HTTPS的加解密应交给nginx这样的高性能服务器处理。Redkale再提供HTTPS服务就显得鸡肋。JSP其实算是一个落后的技术,现在是一个多样化终端的时代,终端不只局限于桌面程序和PC浏览器,还有原生App、混合式App、微信端、移动H5、提供第三方接口等各种形式的终端,这些都不是JSP能方便兼顾的,而HTTP+JSON作为通用性接口可以避免重复开发,模版引擎的功能加上各种强大的JS框架足以取代JSP。Redkale在功能上做了筛选,不会为了迎合主流而提供,而是以良好的设计思想为指导。这是Redkale的主导思维。

      

详情请访问:    https://redkale.org

      

基本文档:    https://redkale.org/articles.html

      

欢迎加入Redkale QQ群: 527523235
 
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Redkale(红菜苔)--基于Java8全新微服务开源框架 展开 收起
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