yzhao244 opened a new pull request #434:
URL: https://github.com/apache/incubator-eventmesh/pull/434


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   (If this PR fixes a GitHub issue, please add `Fixes ISSUE#<XXX>`.)
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   Fixes ISSUE#339.
   
   ### Motivation
   
   - Support Schema Registry feature in EventMesh by integrating with 
OpenSchema Specifications 
   
   *Explain why you want to make the changes and what problem you're trying to 
solve.*
   
   - The purpose of this pull request is for introducing Schema Registry as 
part of the EventMesh.
   The Schema Registry is a central repository with RESTful interfaces for 
developers to define and register standard schemas. Addresses the problem of 
inconsistent or incompatible data(event) format between event producer and 
event consumer.
   
   
   
   ### Modifications
   
   - Added eventmesh-store-api module which is an abstract layer abstracts the 
CRUD capability of the schema registry into this module.
   - Added eventmesh-store-h2 module which contains the actual implementation
   - Modified eventmesh-runtime which exposes three new subject APIs 
(schemaregistry/createSubject, /schemaregistry/readSubjectByName and 
/schemaregistry/showAllSubjectNames) via ClientManageController.
   
   
   ### Documentation
   
   - Does this pull request introduce a new feature? yes
   - If yes, how is the feature documented? Another follow up issue or PR will 
be created for adding the documentation
   - If a feature is not applicable for documentation, explain why?
   - If a feature is not documented yet in this PR, please create a followup 
issue for adding the documentation
   


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