Marko A. Rodriguez created TINKERPOP-1293:
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Summary: Implement GraphFilterStrategy as a default registration
for GraphComputer
Key: TINKERPOP-1293
URL: https://issues.apache.org/jira/browse/TINKERPOP-1293
Project: TinkerPop
Issue Type: Improvement
Components: process
Affects Versions: 3.2.0-incubating
Reporter: Marko A. Rodriguez
Fix For: 3.2.1
{{GraphFilterStrategy}} would be a {{TraversalStrategy}} for
{{GraphComputer}}s. It will inspect the {{Traversal}} and decide the
{{computer.vertices(...).edges(...)}} to use.
Some rules:
1. If the traversal is part of an OLAP chain, don't apply strategy.
2. If the traversal is persist edges, then don't {{edges(...)}} or
{{vertices(...)}}.
3. If the traversal is persist vertex properties, then don't do
{{vertices(...)}}.
Shouldn't be too difficult. Basically looking for:
1. {{VertexStep}} labels for edges.
2. {{HasStep}} containers for vertices and edges.
>From there, we can get fancy with {{outE().has("stars",gt(4))}}-style
>{{edges(...)}}. However, basic element-label based filtering should be easy.
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