Jakob Homan commented on GIRAPH-83:
bq. I think it should probably actually be called Vertex, because everything
"is a" BasicVertex currently, so it makes sense instead to say everything "is
bq. We can factor off lots of stuff into other classes, but the question comes
down to how does the user writing their algorithm get access to them? How is it
all wired together? You want compute() to get passed some state that you have
right when you need it, instead of either going with inheritance or
composition? That could be nice, I think, as long as we package it all up into
a minimal set of *Context-like objects to carry around.
Correct, this is what I'm getting at.
bq. In what way are the out edges of a vertex "managed by the framework"
In that Vertex is responsible for maintaining the destEdgeMap for an
implementation of Vertex, rather than implementers having to do this
themselves. For each compute invocation, the vertex shouldn't assume anything
about its outgoing edges, as they may have been mutated since the last call.
> Is Vertex correct yet?
> Key: GIRAPH-83
> URL: https://issues.apache.org/jira/browse/GIRAPH-83
> Project: Giraph
> Issue Type: Improvement
> Reporter: Jakob Homan
> I'm seeing a number of people run into oddities with Vertex and am thinking
> we may not have it quite correct yet...
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