[GitHub] wu-sheng opened a new pull request #2288: [WIP]Improve OAP extendibility

[GitBox <gi...@apache.org>]

wu-sheng opened a new pull request #2288: [WIP]Improve OAP extendibility
URL: https://github.com/apache/incubator-skywalking/pull/2288
 
 
   The reason I am doing this refactoring is, making the extendibility OAP server better.
   
   The core change is ** REMOVING Scope enum type restrictions**. As we all known, Enum in Java could be inherited, when could anyone wants to create a new scope, the only choice only changes the source codes, include `enum Scope` and generation-tool.
   
   So I am doing following changes
   1. Make Scope(name-id) declaration as annotation, like this `@ScopeDeclaration(id = SERVICE, name = "Service")`. This annotation is Repeatable, so you could declare any new scope in any class in `org.apache.skywalking` package.
   1. Scope enum removed.
   1. Scope in `@StorageEntity` has been changed to `sourceScopeId`.
   
   Also, I do some changes for OAL generation-tool.
   1. Support the above changes.
   1. TODO in this pr, make `dispatcher template` extendable too.

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