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https://issues.apache.org/jira/browse/S2GRAPH-170?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16240115#comment-16240115
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DOYUNG YOON commented on S2GRAPH-170:
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[~daewon]
I agree with getting rid of bidirectional dependency.
Before removing it, I want to discuss about the direction we should take.
As personal opinion, I think S2[Edge/Vertex/Graph]Like should be pure
interface, with very little implementation.
I would like to list up methods that really need to be exposed on
S2[Edge/Vertex/Graph]Like(I mean interface) first, then proceed removing
`SelfType` as you pointed out.
> Create Interface for S2Edge/S2Vertex/S2Graph.
> ---------------------------------------------
>
> Key: S2GRAPH-170
> URL: https://issues.apache.org/jira/browse/S2GRAPH-170
> Project: S2Graph
> Issue Type: Improvement
> Affects Versions: 0.2.1
> Reporter: DOYUNG YOON
> Fix For: 0.2.1
>
> Original Estimate: 504h
> Remaining Estimate: 504h
>
> h2. Problem Statement
> S2Graph’s entire code base is dependent on S2Edge/S2Vertex/S2Graph class.
> Even though lots of code touch theses two class, there is no interface
> defined currently. This means lots of code is interact with these class in
> different way all by their own way, and this make extremely hard to make any
> change on these two classes.
> For example, I was working on S2GRAPH-80 to provide java client, and there
> are too many places to be changed since all theses places use concrete
> implementation class S2Edge/S2Vertex/S2Graph, not the interfaces. Not just
> for S2GRAPH-80, but any other issues that need to change theses classes would
> benefit by communicating through interface.
> h2. Suggestion
> Define interface and change code base to communicate through theses
> interfaces.
> # Create interface S2Edge/S2Vertex/S2Graph that implement Tinkerpop’s
> Edge/Vertex/Graph interface
> # Extract tinkerpop interface related implementations
> # Change caller of S2Edge/S2Vertex/S2Graph to call interface rather than
> concrete implementation.
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